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synthesis</title> <meta name="description" content="Search results for: Hydrothermal synthesis"> <meta name="keywords" content="Hydrothermal synthesis"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block 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action="https://publications.waset.org/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Hydrothermal synthesis"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 498</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Hydrothermal synthesis</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">498</span> The Optimum Operating Conditions for the Synthesis of Zeolite from Waste Incineration Fly Ash by Alkali Fusion and Hydrothermal Methods</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Yi-Jie%20Lin">Yi-Jie Lin</a>, <a href="https://publications.waset.org/search?q=Jyh-Cherng%20Chen"> Jyh-Cherng Chen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The fly ash of waste incineration processes is usually hazardous and the disposal or reuse of waste incineration fly ash is difficult. In this study, the waste incineration fly ash was converted to useful zeolites by the alkali fusion and hydrothermal synthesis method. The influence of different operating conditions (the ratio of Si/Al, the ratio of hydrolysis liquid to solid, and hydrothermal time) was investigated to seek the optimum operating conditions for the synthesis of zeolite from waste incineration fly ash. The results showed that concentrations of heavy metals in the leachate of Toxicity Characteristic Leaching Procedure (TCLP) were all lower than the regulatory limits except lead. The optimum operating conditions for the synthesis of zeolite from waste incineration fly ash by the alkali fusion and hydrothermal synthesis method were Si/Al=40, NaOH/ash=1.5, alkali fusion at 400 <sup>o</sup>C for 40 min, hydrolysis with Liquid to Solid ratio (L/S)= 200 at 105 <sup>o</sup>C for 24 h, and hydrothermal synthesis at 105 <sup>o</sup>C for 24 h. The specific surface area of fly ash could be significantly increased from 8.59 m<sup>2</sup>/g to 651.51 m<sup>2</sup>/g (synthesized zeolite). The influence of different operating conditions on the synthesis of zeolite from waste incineration fly ash followed the sequence of Si/Al ratio > hydrothermal time > hydrolysis L/S ratio. The synthesized zeolites can be reused as good adsorbents to control the air or wastewater pollutants. The purpose of fly ash detoxification, reduction and waste recycling/reuse is achieved successfully.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Alkali%20fusion" title="Alkali fusion">Alkali fusion</a>, <a href="https://publications.waset.org/search?q=hydrothermal" title=" hydrothermal"> hydrothermal</a>, <a href="https://publications.waset.org/search?q=fly%20ash" title=" fly ash"> fly ash</a>, <a href="https://publications.waset.org/search?q=zeolite." title=" zeolite."> zeolite.</a> </p> <a href="https://publications.waset.org/10009762/the-optimum-operating-conditions-for-the-synthesis-of-zeolite-from-waste-incineration-fly-ash-by-alkali-fusion-and-hydrothermal-methods" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10009762/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10009762/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10009762/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10009762/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10009762/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10009762/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10009762/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10009762/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10009762/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10009762/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10009762.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">882</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">497</span> Hydrothermal Synthesis of ZnO/SnO2 Nanoparticles with High Photocatalytic Activity</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Azam%20Anaraki%20Firooz">Azam Anaraki Firooz</a>, <a href="https://publications.waset.org/search?q=Ali%20Reza%20Mahjoub"> Ali Reza Mahjoub</a>, <a href="https://publications.waset.org/search?q=Abbas%20Ali%20Khodadadi"> Abbas Ali Khodadadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper reports the preparation and photocatalytic activity of ZnO/SnO2 and SnO2 nanoparticles. These nanoparticles were synthesized by hydrothermal method. The products were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Their grain sizes are about 50-100 nm. The photocatalytic activities of these materials were investigated for congo red removal from aqueous solution under UV light irradiation. It was shown that the use of ZnO/SnO2 as photocatalyst have better photocatalytic activity for degradation of congo red than SnO2 or TiO2 (anatase, particle size: 30nm) alone. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=ZnO%2FSnO2%20nanoparticle" title="ZnO/SnO2 nanoparticle">ZnO/SnO2 nanoparticle</a>, <a href="https://publications.waset.org/search?q=hydrothermal" title=" hydrothermal"> hydrothermal</a>, <a href="https://publications.waset.org/search?q=photocatalysis" title="photocatalysis">photocatalysis</a> </p> <a href="https://publications.waset.org/1302/hydrothermal-synthesis-of-znosno2-nanoparticles-with-high-photocatalytic-activity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/1302/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/1302/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/1302/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/1302/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/1302/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/1302/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/1302/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/1302/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/1302/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/1302/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/1302.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">3468</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">496</span> The Effect of Waste Magnesium to Boric Acid Ratio in Hydrothermal Magnesium Borate Synthesis at 70oC</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=E.%20Moroydor%20Derun">E. Moroydor Derun</a>, <a href="https://publications.waset.org/search?q=A.%20S.%20Kipcak"> A. S. Kipcak</a>, <a href="https://publications.waset.org/search?q=A.%20Kaplan"> A. Kaplan</a>, <a href="https://publications.waset.org/search?q=S.%20Piskin"> S. Piskin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Magnesium wastes are produced by many industrial activities. This waste problem is becoming a future problem for the world. Magnesium borates have many advantages such as; high corrosion resistance, heat resistance, high coefficient of elasticity and can also be used in the production of material against radiation. Addition, magnesium borates have great potential in sectors including ceramic and detergents industry and superconducting materials. In this study, using the starting materials of waste magnesium and H3BO3 the hydrothermal method was applied at a moderate temperature of 70oC. Several mole ratios of waste magnesium to H3BO3 are selected as; 1:2, 1:4, 1:6, 1:8, 1:10. Reaction time was determined as 1 hour. After the synthesis, X-Ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FT-IR) techniques are applied to products. As a result the forms of mcallisterite “Mg2(B6O7(OH)6)2.9(H2O)”, admontite “MgO(B2O3)3.7(H2O)” and magnesium boron hydrate (MgO(B2O3)3.6(H2O)” are obtained. </p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Hydrothermal%20synthesis" title="Hydrothermal synthesis">Hydrothermal synthesis</a>, <a href="https://publications.waset.org/search?q=magnesium%20borates" title=" magnesium borates"> magnesium borates</a>, <a href="https://publications.waset.org/search?q=waste%0D%0Amagnesium." title=" waste magnesium."> waste magnesium.</a> </p> <a href="https://publications.waset.org/16264/the-effect-of-waste-magnesium-to-boric-acid-ratio-in-hydrothermal-magnesium-borate-synthesis-at-70oc" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/16264/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/16264/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/16264/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/16264/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/16264/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/16264/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/16264/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/16264/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/16264/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/16264/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/16264.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2410</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">495</span> Evaluation of the Magnesium Wastes with Boron Oxide in Magnesium Borate Synthesis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=A.%20S.%20Kipcak">A. S. Kipcak</a>, <a href="https://publications.waset.org/search?q=F.%20T.%20Senberber"> F. T. Senberber</a>, <a href="https://publications.waset.org/search?q=E.%20Moroydor%20Derun"> E. Moroydor Derun</a>, <a href="https://publications.waset.org/search?q=S.%20Piskin"> S. Piskin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Magnesium wastes and scraps, one of the metal wastes, are produced by many industrial activities, all over the world. Their growing size is becoming a future problem for the world. In this study, the use of magnesium wastes as a raw material in the production of the magnesium borate hydrates are aimed. The method used in the experiments is hydrothermal synthesis. The conditions are set to, waste magnesium to B2O3, 1:3 as a molar ratio. Four different reaction times are studied which are 30, 60, 120 and 240 minutes. For the identification analyses X-Ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FT-IR) and Raman spectroscopy techniques are used. As a result at all the reaction times magnesium borate hydrates are synthesized and the most crystalline forms are obtained at a reaction time of 120 minutes. The overall yields of the production are found between the values of 65-80 %.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Hydrothermal%20synthesis" title="Hydrothermal synthesis">Hydrothermal synthesis</a>, <a href="https://publications.waset.org/search?q=magnesium%20borates" title=" magnesium borates"> magnesium borates</a>, <a href="https://publications.waset.org/search?q=magnesium%20wastes" title=" magnesium wastes"> magnesium wastes</a>, <a href="https://publications.waset.org/search?q=boron%20oxide" title=" boron oxide"> boron oxide</a> </p> <a href="https://publications.waset.org/2151/evaluation-of-the-magnesium-wastes-with-boron-oxide-in-magnesium-borate-synthesis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/2151/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/2151/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/2151/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/2151/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/2151/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/2151/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/2151/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/2151/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/2151/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/2151/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/2151.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2337</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">494</span> The Determination of the Potassium Nitrate, Sodium Hydroxide and Boric Acid Molar Ratio in the Synthesis of Potassium Borates via Hydrothermal Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20Yildirim">M. Yildirim</a>, <a href="https://publications.waset.org/search?q=A.%20S.%20Kipcak"> A. S. Kipcak</a>, <a href="https://publications.waset.org/search?q=F.%20T.%20Senberber"> F. T. Senberber</a>, <a href="https://publications.waset.org/search?q=M.%20O.%20Asensio"> M. O. Asensio</a>, <a href="https://publications.waset.org/search?q=E.%20M.%20Derun"> E. M. Derun</a>, <a href="https://publications.waset.org/search?q=S.%20Piskin"> S. Piskin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Potassium borates, which are widely used in welding and metal refining industry, as a lubricating oil additive, cement additive, fiberglass additive and insulation compound, are one of the important groups of borate minerals. In this study the production of a potassium borate mineral via hydrothermal method is aimed. The potassium source of potassium nitrate (KNO3) was used along with a sodium source of sodium hydroxide (NaOH) and boron source of boric acid (H3BO3). The constant parameters of reaction temperature and reaction time were determined as 80°C and 1 h, respectively. The molar ratios of 1:1:3 (as KNO3:NaOH:H3BO3), 1:1:4, 1:1:5, 1:1:6 and 1:1:7 were used. Following the synthesis the identifications of the produced products were conducted by X-Ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FT-IR) and Raman Spectroscopy. The results of the experiments and analysis showed in the ratio of 1:1:6, the Santite mineral with powder diffraction file number (pdf no.) of 01-072-1688, which is known as potassium pentaborate (KB5O8·4H2O) was synthesized as best. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Hydrothermal%20synthesis" title="Hydrothermal synthesis">Hydrothermal synthesis</a>, <a href="https://publications.waset.org/search?q=potassium%20borate" title=" potassium borate"> potassium borate</a>, <a href="https://publications.waset.org/search?q=potassium%20nitrate" title=" potassium nitrate"> potassium nitrate</a>, <a href="https://publications.waset.org/search?q=santite." title=" santite."> santite.</a> </p> <a href="https://publications.waset.org/10001632/the-determination-of-the-potassium-nitrate-sodium-hydroxide-and-boric-acid-molar-ratio-in-the-synthesis-of-potassium-borates-via-hydrothermal-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10001632/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10001632/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10001632/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10001632/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10001632/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10001632/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10001632/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10001632/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10001632/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10001632/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10001632.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">3308</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">493</span> Emission Constrained Hydrothermal Scheduling Algorithm</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Sayeed%20Salam">Sayeed Salam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents an efficient emission constrained hydrothermal scheduling algorithm that deals with nonlinear functions such as the water discharge characteristics, thermal cost, and transmission loss. It is then incorporated into the hydrothermal coordination program. The program has been tested on a practical utility system having 32 thermal and 12 hydro generating units. Test results show that a slight increase in production cost causes a substantial reduction in emission. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Emission%20constraint" title="Emission constraint">Emission constraint</a>, <a href="https://publications.waset.org/search?q=Hydrothermal%20coordination" title=" Hydrothermal coordination"> Hydrothermal coordination</a>, <a href="https://publications.waset.org/search?q=and%20Hydrothermal%20scheduling%20algorithm." title=" and Hydrothermal scheduling algorithm."> and Hydrothermal scheduling algorithm.</a> </p> <a href="https://publications.waset.org/10594/emission-constrained-hydrothermal-scheduling-algorithm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10594/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10594/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10594/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10594/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10594/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10594/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10594/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10594/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10594/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10594/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10594.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1372</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">492</span> The Optimization of Copper Sulfate and Tincalconite Molar Ratios on the Hydrothermal Synthesis of Copper Borates</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=E.%20Moroydor%20Derun">E. Moroydor Derun</a>, <a href="https://publications.waset.org/search?q=N.%20Tugrul"> N. Tugrul</a>, <a href="https://publications.waset.org/search?q=F.%20T.%20Senberber"> F. T. Senberber</a>, <a href="https://publications.waset.org/search?q=A.%20S.%20Kipcak"> A. S. Kipcak</a>, <a href="https://publications.waset.org/search?q=S.%20Piskin"> S. Piskin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>In this research, copper borates are synthesized by the reaction of copper sulfate pentahydrate (CuSO4.5H2O) and tincalconite (Na2O4B7.10H2O). The experimental parameters are selected as 80oC reaction temperature and 60 of reaction time. The effect of mole ratio of CuSO4.5H2O to Na2O4B7.5H2O is studied. For the identification analyses X-Ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FT-IR) techniques are used. At the end of the experiments, synthesized copper borate is matched with the powder diffraction file of “00-001-0472” [Cu(BO2)2] and characteristic vibrations between B and O atoms are seen. The proper crystals are obtained at the mole ratio of 3:1. This study showed that simplified synthesis process is suitable for the production of copper borate minerals.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Hydrothermal%20synthesis" title="Hydrothermal synthesis">Hydrothermal synthesis</a>, <a href="https://publications.waset.org/search?q=copper%20borates" title=" copper borates"> copper borates</a>, <a href="https://publications.waset.org/search?q=copper%0D%0Asulfate" title=" copper sulfate"> copper sulfate</a>, <a href="https://publications.waset.org/search?q=tincalconite." title=" tincalconite."> tincalconite.</a> </p> <a href="https://publications.waset.org/9999594/the-optimization-of-copper-sulfate-and-tincalconite-molar-ratios-on-the-hydrothermal-synthesis-of-copper-borates" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9999594/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9999594/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9999594/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9999594/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9999594/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9999594/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9999594/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9999594/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9999594/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9999594/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9999594.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">3507</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">491</span> Magnesium Waste Evaluation in Moderate Temperature (70oC) Magnesium Borate Synthesis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=E.%20Moroydor%20Derun">E. Moroydor Derun</a>, <a href="https://publications.waset.org/search?q=A.%20S.%20Kipcak"> A. S. Kipcak</a>, <a href="https://publications.waset.org/search?q=A.%20Kaplan"> A. Kaplan</a>, <a href="https://publications.waset.org/search?q=S.%20Piskin"> S. Piskin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Waste problem is becoming a future problem all over the world. Magnesium wastes which can be used in recycling processes are produced by many industrial activities. Magnesium borates which have useful properties such as; high heat resistance, corrosion resistance, supermechanical strength, superinsulation, light weight, high coefficient of elasticity and so on. Addition, magnesium borates have great potential in the development of ceramic and detergents industry, whisker-reinforced composites, antiwear, and reducing friction additives.</p> <p>In this study, using the starting materials of waste magnesium and H<sub>3</sub>BO<sub>3</sub> the hydrothermal method was applied at a moderate temperature of 70<sup>o</sup>C with different reaction times. Several reaction times of waste magnesium to H<sub>3</sub>BO<sub>3 </sub>were selected as; 30, 60, 120, 240 minutes. After the synthesis, X-Ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FT-IR) techniques were applied to products. As a result, the forms of Admontite [MgO(B<sub>2</sub>O<sub>3</sub>)<sub>3</sub>.7(H<sub>2</sub>O)] and Mcallisterite [Mg<sub>2</sub>(B<sub>6</sub>O<sub>7</sub>(OH)<sub>6</sub>)<sub>2</sub>.9(H<sub>2</sub>O)] were synthesized.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Hydrothermal%20synthesis" title="Hydrothermal synthesis">Hydrothermal synthesis</a>, <a href="https://publications.waset.org/search?q=magnesium%20borates" title=" magnesium borates"> magnesium borates</a>, <a href="https://publications.waset.org/search?q=waste%20magnesium." title=" waste magnesium."> waste magnesium.</a> </p> <a href="https://publications.waset.org/16887/magnesium-waste-evaluation-in-moderate-temperature-70oc-magnesium-borate-synthesis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/16887/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/16887/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/16887/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/16887/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/16887/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/16887/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/16887/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/16887/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/16887/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/16887/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/16887.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2030</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">490</span> Hydrated Magnesium Borate Synthesis from MgCl2.6H2O at 80oC by Hydrothermal Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=A.%20S.%20Kipcak">A. S. Kipcak</a>, <a href="https://publications.waset.org/search?q=P.%20Gurses"> P. Gurses</a>, <a href="https://publications.waset.org/search?q=E.%20Moroydor%20Derun"> E. Moroydor Derun</a>, <a href="https://publications.waset.org/search?q=S.%20Piskin"> S. Piskin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Borate minerals have attracted considerable attention in the past years due to their structural chemistry and mechanical properties in several industries. Recently, increasing attention has been paid to the use of; synthetically produced magnesium borates as catalysts reinforcing material for plastics, the conversion of hydrocarbons, electro-conductive treating agent, anti-wear and anti-corrosion materials. Magnesium borates can be synthesized by several methods such as; hydrothermal and solid-state (thermal) processes. In this study the hydrothermal production method was applied at the modest temperature of 80C along with convenient crystal growth. Using MgCl2.6H2O, H3BO3, and NaOH as starting materials, 30, 60, 120, 240 minutes of reaction times were studied. After all, the crystal structure and the morphology of the products were examined by X-Ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FT-IR). As a result the forms of Admontite and Mcallisterite minerals were synthesized.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=FT-IR" title="FT-IR">FT-IR</a>, <a href="https://publications.waset.org/search?q=hydrothermal%20method" title=" hydrothermal method"> hydrothermal method</a>, <a href="https://publications.waset.org/search?q=magnesium%20borates" title=" magnesium borates"> magnesium borates</a>, <a href="https://publications.waset.org/search?q=XRD." title=" XRD."> XRD.</a> </p> <a href="https://publications.waset.org/6094/hydrated-magnesium-borate-synthesis-from-mgcl26h2o-at-80oc-by-hydrothermal-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/6094/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/6094/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/6094/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/6094/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/6094/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/6094/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/6094/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/6094/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/6094/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/6094/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/6094.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2678</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">489</span> Synthesis and Characterization of Gallosilicate Sodalite Containing NO2- Ions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ashok%20V.%20Borhade">Ashok V. Borhade</a>, <a href="https://publications.waset.org/search?q=Sanjay%20G.%20Wakchaure"> Sanjay G. Wakchaure</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Pure phase gallosilicate nitrite sodalite has been synthesized in a single step by low temperature (373 oK) hydrothermal technique. The product obtained was characterized using a combination of techniques including X-ray powder diffraction, IR, Raman spectroscopy, SEM, MAS NMR spectroscopy as well as thermogravimetry. Sodalite with an ideal composition was obtained after synthesis at 3730K and seven days duration using alkaline medium. The structural features of the Na8[GaSiO4]6(NO2)2 sodalite were investigated by IR, MAS NMR spectroscopy of 29Si and 23Na nuclei and by Reitveld refinement of X-ray powder diffraction data. The crystal structure of this sodalite has been refined in the space group P 4 3n; with a cell parameter 8.98386Å, V= 726.9 Å, (Rwp= 0.077 and Rp=0.0537) and Si-O-Ga angle is found to be 132.920 . MAS NMR study confirms complete ordering of Si and Ga in the gallosilicate framework. The surface area of single entity with stoichiometry Na8[GaSiO4]6(NO2)2 was found to be 8.083 x10-15 cm2/g.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Gallosilicate" title="Gallosilicate">Gallosilicate</a>, <a href="https://publications.waset.org/search?q=hydrothermal" title=" hydrothermal"> hydrothermal</a>, <a href="https://publications.waset.org/search?q=nitrite" title=" nitrite"> nitrite</a>, <a href="https://publications.waset.org/search?q=Reitveldrefinement." title=" Reitveldrefinement."> Reitveldrefinement.</a> </p> <a href="https://publications.waset.org/15701/synthesis-and-characterization-of-gallosilicate-sodalite-containing-no2-ions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/15701/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/15701/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/15701/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/15701/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/15701/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/15701/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/15701/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/15701/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/15701/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/15701/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/15701.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1622</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">488</span> The Effect of Solution Density on the Synthesis of Magnesium Borate from Boron-Gypsum</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=N.%20Tugrul">N. Tugrul</a>, <a href="https://publications.waset.org/search?q=E.%20Sariburun"> E. Sariburun</a>, <a href="https://publications.waset.org/search?q=F.%20T.%20Senberber"> F. T. Senberber</a>, <a href="https://publications.waset.org/search?q=A.%20S.%20Kipcak"> A. S. Kipcak</a>, <a href="https://publications.waset.org/search?q=E.%20Moroydor%20Derun"> E. Moroydor Derun</a>, <a href="https://publications.waset.org/search?q=S.%20Piskin"> S. Piskin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Boron-gypsum is a waste which occurs in the boric acid production process. In this study, the boron content of this waste is evaluated for the use in synthesis of magnesium borates and such evaluation of this kind of waste is useful more than storage or disposal. Magnesium borates, which are a sub-class of boron minerals, are useful additive materials for the industries due to their remarkable thermal and mechanical properties. Magnesium borates were obtained hydrothermally at different temperatures. Novelty of this study is the search of the solution density effects to magnesium borate synthesis process for the increasing the possibility of borongypsum usage as a raw material. After the synthesis process, products are subjected to XRD and FT-IR to identify and characterize their crystal structure, respectively.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Boron-gypsum" title="Boron-gypsum">Boron-gypsum</a>, <a href="https://publications.waset.org/search?q=hydrothermal%20synthesis" title=" hydrothermal synthesis"> hydrothermal synthesis</a>, <a href="https://publications.waset.org/search?q=magnesium%0D%0Aborate" title=" magnesium borate"> magnesium borate</a>, <a href="https://publications.waset.org/search?q=solution%20density." title=" solution density."> solution density.</a> </p> <a href="https://publications.waset.org/9999536/the-effect-of-solution-density-on-the-synthesis-of-magnesium-borate-from-boron-gypsum" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9999536/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9999536/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9999536/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9999536/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9999536/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9999536/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9999536/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9999536/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9999536/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9999536/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9999536.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2159</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">487</span> Combined Hydrothermal Synthesis of Zinc and Magnesium Borates at 100oC Using ZnO, MgO and H3BO3</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=N.%20Tugrul">N. Tugrul</a>, <a href="https://publications.waset.org/search?q=A.%20S.%20Kipcak"> A. S. Kipcak</a>, <a href="https://publications.waset.org/search?q=N.%20Baran%20Acarali"> N. Baran Acarali</a>, <a href="https://publications.waset.org/search?q=E.%20Moroydor%20Derun"> E. Moroydor Derun</a>, <a href="https://publications.waset.org/search?q=S.%20Piskin"> S. Piskin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Magnesium borate(MB) istechnical ceramic for high heat-resisting, corrosion-resisting, super mechanical strength, superinsulation, light weight, high strength, and high coefficient of elasticity. Zinc borate (ZB) can be used as multi-functional synergistic additives with flame retardant additives in polymers. The most important properties are low solubility in water and high dehydration temperature. ZB dehydrates above 290°C and anhydrous ZB has thermal resistance about 400°C. In this study, the raw materials of ZnO, MgO and H<sub>3</sub>BO<sub>3 </sub>were used with mole ratio of 1:1:9. With the starting materials hydrothermal method was applied at a temperature of 100<sup>o</sup>C. The reaction time was determined as 30, 60, 90 and 120 minutes after some preliminary experiments. After the synthesis, the crystal structure and the morphology of the products were examined by X-Ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FT-IR). As a result, the forms of Zinc Oxide Borate Hydrate [Zn<sub>3</sub>B<sub>6</sub>O<sub>12</sub>.3.5H<sub>2</sub>O], Admontite [MgO(B<sub>2</sub>O<sub>3</sub>)<sub>3</sub>.7(H<sub>2</sub>O)] and Mcallisterite [Mg<sub>2</sub>(B<sub>6</sub>O<sub>7</sub>(OH)<sub>6</sub>)<sub>2</sub>.9(H<sub>2</sub>O)] were synthesized.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Magnesium%20borate" title="Magnesium borate">Magnesium borate</a>, <a href="https://publications.waset.org/search?q=zinc%20borate" title=" zinc borate"> zinc borate</a>, <a href="https://publications.waset.org/search?q=XRD" title=" XRD"> XRD</a>, <a href="https://publications.waset.org/search?q=FT-IR." title=" FT-IR."> FT-IR.</a> </p> <a href="https://publications.waset.org/16874/combined-hydrothermal-synthesis-of-zinc-and-magnesium-borates-at-100oc-using-zno-mgo-and-h3bo3" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/16874/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/16874/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/16874/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/16874/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/16874/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/16874/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/16874/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/16874/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/16874/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/16874/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/16874.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2820</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">486</span> Magnesium Borate Synthesis by Microwave Method Using MgCl2.6H2O and H3BO3</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=A.%20S.%20Kipcak">A. S. Kipcak</a>, <a href="https://publications.waset.org/search?q=P.%20Gurses"> P. Gurses</a>, <a href="https://publications.waset.org/search?q=K.%20Kunt"> K. Kunt</a>, <a href="https://publications.waset.org/search?q=E.%20Moroydor%20Derun"> E. Moroydor Derun</a>, <a href="https://publications.waset.org/search?q=S.%20Piskin"> S. Piskin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> There are many kinds of metal borates found not only in nature but also synthesized in the laboratory such as magnesium borates. Due to its excellent properties, as remarkable ceramic materials, they have also application areas in anti-wear and friction reducing additives as well as electro-conductive treating agents. The synthesis of magnesium borate powders can be fulfilled simply with two different methods, hydrothermal and thermal synthesis. Microwave assisted method, also another way of producing magnesium borate, can be classified into thermal synthesis because of using the principles of solid state synthesis. It also contributes producing particles with small size and high purity in nano-size material synthesize. In this study the production of magnesium borates, are aimed using MgCl2.6H2O and H3BO3. The identification of both starting materials and products were made by the equipments of, X-Ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FT-IR). After several synthesis steps magnesium borates were synthesized and characterized by XRD and FT-IR, as well. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=FT-IR" title="FT-IR">FT-IR</a>, <a href="https://publications.waset.org/search?q=magnesium%20borates" title=" magnesium borates"> magnesium borates</a>, <a href="https://publications.waset.org/search?q=microwave%20method" title=" microwave method"> microwave method</a>, <a href="https://publications.waset.org/search?q=XRD." title="XRD.">XRD.</a> </p> <a href="https://publications.waset.org/7469/magnesium-borate-synthesis-by-microwave-method-using-mgcl26h2o-and-h3bo3" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/7469/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/7469/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/7469/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/7469/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/7469/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/7469/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/7469/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/7469/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/7469/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/7469/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/7469.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2559</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">485</span> New SUZ-4 Zeolite Membrane from Sol-Gel Technique</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=P.%20Worathanakul">P. Worathanakul</a>, <a href="https://publications.waset.org/search?q=P.%20Kongkachuichay"> P. Kongkachuichay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A new SUZ-4 zeolite membrane with tetraethlyammonium hydroxide as the template was fabricated on mullite tube via hydrothermal sol-gel synthesis in a rotating autoclave reactor. The suitable synthesis condition was SiO2:Al2O3 ratio of 21.2 for 4 days at 155 °C crystallization under autogenous pressure. The obtained SUZ-4 possessed a high BET surface area of 396.4 m2/g, total pore volume at 2.611 cm3/g, and narrow pore size distribution with 97 nm mean diameter and 760 nm long of needle crystal shape. The SUZ-4 layer obtained from seeding crystallization was thicker than that of without seeds or in situ crystallization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Membrane" title="Membrane">Membrane</a>, <a href="https://publications.waset.org/search?q=seeding" title=" seeding"> seeding</a>, <a href="https://publications.waset.org/search?q=sol-gel" title=" sol-gel"> sol-gel</a>, <a href="https://publications.waset.org/search?q=SUZ-4%20Zeolite." title=" SUZ-4 Zeolite."> SUZ-4 Zeolite.</a> </p> <a href="https://publications.waset.org/9754/new-suz-4-zeolite-membrane-from-sol-gel-technique" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9754/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9754/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9754/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9754/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9754/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9754/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9754/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9754/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9754/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9754/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9754.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1993</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">484</span> Emission Constrained Economic Dispatch for Hydrothermal Coordination</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Md.%20Sayeed%20Salam">Md. Sayeed Salam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents an efficient emission constrained economic dispatch algorithm that deals with nonlinear cost function and constraints. It is then incorporated into the dynamic programming based hydrothermal coordination program. The program has been tested on a practical utility system having 32 thermal and 12 hydro generating units. Test results show that a slight increase in production cost causes a substantial reduction in emission. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Emission%20constraint" title="Emission constraint">Emission constraint</a>, <a href="https://publications.waset.org/search?q=Hydrothermal%20coordination" title=" Hydrothermal coordination"> Hydrothermal coordination</a>, <a href="https://publications.waset.org/search?q=and%20Economic%20dispatch%20algorithm." title="and Economic dispatch algorithm.">and Economic dispatch algorithm.</a> </p> <a href="https://publications.waset.org/8628/emission-constrained-economic-dispatch-for-hydrothermal-coordination" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/8628/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/8628/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/8628/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/8628/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/8628/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/8628/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/8628/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/8628/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/8628/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/8628/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/8628.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1817</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">483</span> Hydrothermal Alteration Zones Identification Based on Remote Sensing Data in the Mahin Area, West of Qazvin Province, Iran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=R.%20Nouri">R. Nouri</a>, <a href="https://publications.waset.org/search?q=M.R.%20Jafari"> M.R. Jafari</a>, <a href="https://publications.waset.org/search?q=M.%20Arain."> M. Arain.</a>, <a href="https://publications.waset.org/search?q=F.%20Feizi"> F. Feizi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Mahin area is a part of Tarom- Hashtjin zone that located in west of Qazvin province in northwest of Iran. Many copper and base metals ore deposits are hosted by this zone. High potential localities identification in this area is very necessary. The objective of this research, is finding hydrothermal alteration zones by remote sensing methods and best processing technique of Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) data. Different methods such as band ratio, Principal Component Analysis (PCA), Minimum Noise Fraction (MNF) and Least Square Fit (LS-Fit) were used for mapping hydrothermal alteration zones. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Hydrothermal%20alteration" title="Hydrothermal alteration">Hydrothermal alteration</a>, <a href="https://publications.waset.org/search?q=Iran" title=" Iran"> Iran</a>, <a href="https://publications.waset.org/search?q=Mahin" title=" Mahin"> Mahin</a>, <a href="https://publications.waset.org/search?q=Remote%0Asensing" title=" Remote sensing"> Remote sensing</a> </p> <a href="https://publications.waset.org/10309/hydrothermal-alteration-zones-identification-based-on-remote-sensing-data-in-the-mahin-area-west-of-qazvin-province-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10309/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10309/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10309/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10309/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10309/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10309/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10309/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10309/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10309/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10309/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10309.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2820</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">482</span> Synthesis of SnO Novel Cabbage Nanostructure and Its Electrochemical Property as an Anode Material for Lithium Ion Battery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Yongkui%20Cui">Yongkui Cui</a>, <a href="https://publications.waset.org/search?q=Fengping%20Wang"> Fengping Wang</a>, <a href="https://publications.waset.org/search?q=Hailai%20Zhao"> Hailai Zhao</a>, <a href="https://publications.waset.org/search?q=Muhammad%20Zubair%20Iqbal"> Muhammad Zubair Iqbal</a>, <a href="https://publications.waset.org/search?q=Ziya%20Wang"> Ziya Wang</a>, <a href="https://publications.waset.org/search?q=Yan%20Li"> Yan Li</a>, <a href="https://publications.waset.org/search?q=Pengpeng%20L.%20V."> Pengpeng L. V.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The novel 3D SnO cabbages self-assembled by nanosheets were successfully synthesized via template-free hydrothermal growth method under facile conditions. The XRD results manifest that the as-prepared SnO is tetragonal phase. The TEM and HRTEM results show that the cabbage nanosheets are polycrystalline structure consisted of considerable single-crystalline nanoparticles. Two typical Raman modes A1g=210 and Eg=112 cm-1 of SnO are observed by Raman spectroscopy. Moreover, galvanostatic cycling tests has been performed using the SnO cabbages as anode material of lithium ion battery and the electrochemical results suggest that the synthesized SnO cabbage structures are a promising anode material for lithium ion batteries. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Hydrothermal%20process" title="Hydrothermal process">Hydrothermal process</a>, <a href="https://publications.waset.org/search?q=lithium%20ion%20battery" title=" lithium ion battery"> lithium ion battery</a>, <a href="https://publications.waset.org/search?q=Raman%0D%0Aspectroscopy" title=" Raman spectroscopy"> Raman spectroscopy</a>, <a href="https://publications.waset.org/search?q=stannous%20oxide." title=" stannous oxide."> stannous oxide.</a> </p> <a href="https://publications.waset.org/10001684/synthesis-of-sno-novel-cabbage-nanostructure-and-its-electrochemical-property-as-an-anode-material-for-lithium-ion-battery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10001684/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10001684/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10001684/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10001684/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10001684/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10001684/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10001684/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10001684/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10001684/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10001684/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10001684.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2106</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">481</span> Mathematical Modeling of the Influence of Hydrothermal Processes in the Water Reservoir</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Alibek%20Issakhov">Alibek Issakhov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper presents the mathematical model of hydrothermal processes in thermal power plant with different wind direction scenarios in the water reservoir, which is solved by the Navier - Stokes and temperature equations for an incompressible fluid in a stratified medium. Numerical algorithm based on the method of splitting by physical parameters. Three dimensional Poisson equation is solved with Fourier method by combination of tridiagonal matrix method (Thomas algorithm). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=thermal%20power%20plant" title="thermal power plant">thermal power plant</a>, <a href="https://publications.waset.org/search?q=hydrothermal%20process" title=" hydrothermal process"> hydrothermal process</a>, <a href="https://publications.waset.org/search?q=large%0Aeddy%20simulation" title=" large eddy simulation"> large eddy simulation</a>, <a href="https://publications.waset.org/search?q=water%20reservoir" title=" water reservoir"> water reservoir</a> </p> <a href="https://publications.waset.org/13627/mathematical-modeling-of-the-influence-of-hydrothermal-processes-in-the-water-reservoir" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/13627/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/13627/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/13627/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/13627/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/13627/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/13627/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/13627/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/13627/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/13627/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/13627/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/13627.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1644</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">480</span> Hydrothermal Fabrication of Iodine Doped Titanium Oxide Films on Ti Substrate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20P.%20Neupane">M. P. Neupane</a>, <a href="https://publications.waset.org/search?q=T.%20S.%20N.%20Sankara%20Narayanan"> T. S. N. Sankara Narayanan</a>, <a href="https://publications.waset.org/search?q=J.%20E.%20Park"> J. E. Park</a>, <a href="https://publications.waset.org/search?q=Y.%20K.%20Kim"> Y. K. Kim</a>, <a href="https://publications.waset.org/search?q=I.%20S.%20Park"> I. S. Park</a>, <a href="https://publications.waset.org/search?q=K.%20Y.%20Song"> K. Y. Song</a>, <a href="https://publications.waset.org/search?q=T.%20S.%20Bae"> T. S. Bae</a>, <a href="https://publications.waset.org/search?q=M.%20H.%20Lee"> M. H. Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Titanium oxide films with different morphologies have for the first time been fabricated through hydrothermal reactions between a titanium substrate and iodine powder in water or ethanol. SEM revealed that iodine supported titanium (Ti-I2) surface shows different morphologies with variable treatment conditions. The mean surface roughness (Ra) was increased in the different groups. Use of surfactant has a role to increase the roughness of the film. The surface roughness was in the range of 0.15 μm-0.42 μm. Furthermore, the electrochemical examinations showed that the Ti-I2 surface fabricated in alcoholic medium has high corrosion resistance than in aqueous medium.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Corrosion" title="Corrosion">Corrosion</a>, <a href="https://publications.waset.org/search?q=Hydrothermal" title=" Hydrothermal"> Hydrothermal</a>, <a href="https://publications.waset.org/search?q=Surface%20roughness" title=" Surface roughness"> Surface roughness</a>, <a href="https://publications.waset.org/search?q=Titanium%20oxide." title=" Titanium oxide."> Titanium oxide.</a> </p> <a href="https://publications.waset.org/11577/hydrothermal-fabrication-of-iodine-doped-titanium-oxide-films-on-ti-substrate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/11577/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/11577/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/11577/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/11577/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/11577/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/11577/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/11577/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/11577/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/11577/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/11577/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/11577.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1926</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">479</span> Fabrication of ZnO Nanorods Based Biosensor via Hydrothermal Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Muhammad%20Tariq">Muhammad Tariq</a>, <a href="https://publications.waset.org/search?q=Jafar%20Khan%20Kasi"> Jafar Khan Kasi</a>, <a href="https://publications.waset.org/search?q=Samiullah"> Samiullah</a>, <a href="https://publications.waset.org/search?q=Ajab%20Khan%20Kasi"> Ajab Khan Kasi </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Biosensors are playing vital role in industrial, clinical, and chemical analysis applications. Among other techniques, ZnO based biosensor is an easy approach due to its exceptional chemical and electrical properties. ZnO nanorods have positively charged isoelectric point which helps immobilize the negative charge glucose oxides (GOx). Here, we report ZnO nanorods based biosensors for the immobilization of GOx. The ZnO nanorods were grown by hydrothermal method on indium tin oxide substrate (ITO). The fabrication of biosensors was carried through batch processing using conventional photolithography. The buffer solutions of GOx were prepared in phosphate with a pH value of around 7.3. The biosensors effectively immobilized the GOx and result was analyzed by calculation of voltage and current on nanostructures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Hydrothermal%20growth" title="Hydrothermal growth">Hydrothermal growth</a>, <a href="https://publications.waset.org/search?q=zinc%20dioxide" title=" zinc dioxide"> zinc dioxide</a>, <a href="https://publications.waset.org/search?q=biosensors." title=" biosensors."> biosensors.</a> </p> <a href="https://publications.waset.org/10009697/fabrication-of-zno-nanorods-based-biosensor-via-hydrothermal-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10009697/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10009697/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10009697/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10009697/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10009697/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10009697/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10009697/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10009697/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10009697/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10009697/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10009697.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1054</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">478</span> The Main Principles of Text-to-Speech Synthesis System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=K.R.%20Aida%E2%80%93Zade">K.R. Aida–Zade</a>, <a href="https://publications.waset.org/search?q=C.%20Ardil"> C. Ardil</a>, <a href="https://publications.waset.org/search?q=A.M.%20Sharifova"> A.M. Sharifova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>In this paper, the main principles of text-to-speech synthesis system are presented. Associated problems which arise when developing speech synthesis system are described. Used approaches and their application in the speech synthesis systems for Azerbaijani language are shown.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=synthesis%20of%20Azerbaijani%20language" title="synthesis of Azerbaijani language">synthesis of Azerbaijani language</a>, <a href="https://publications.waset.org/search?q=morphemes" title=" morphemes"> morphemes</a>, <a href="https://publications.waset.org/search?q=phonemes" title="phonemes">phonemes</a>, <a href="https://publications.waset.org/search?q=sounds" title=" sounds"> sounds</a>, <a href="https://publications.waset.org/search?q=sentence" title=" sentence"> sentence</a>, <a href="https://publications.waset.org/search?q=speech%20synthesizer" title=" speech synthesizer"> speech synthesizer</a>, <a href="https://publications.waset.org/search?q=intonation" title=" intonation"> intonation</a>, <a href="https://publications.waset.org/search?q=accent" title=" accent"> accent</a>, <a href="https://publications.waset.org/search?q=pronunciation." title="pronunciation.">pronunciation.</a> </p> <a href="https://publications.waset.org/8303/the-main-principles-of-text-to-speech-synthesis-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/8303/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/8303/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/8303/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/8303/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/8303/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/8303/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/8303/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/8303/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/8303/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/8303/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/8303.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">5652</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">477</span> Vertically Grown p–Type ZnO Nanorod on Ag Thin Film</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Jihyun%20Park">Jihyun Park</a>, <a href="https://publications.waset.org/search?q=Tae%20Il%20Lee"> Tae Il Lee</a>, <a href="https://publications.waset.org/search?q=Jae-Min%20Myoung"> Jae-Min Myoung</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>A Silver (Ag) thin film is introduced as a template and doping source for vertically aligned p–type ZnO nanorods. ZnO nanorods were grown using an ammonium hydroxide based hydrothermal process. During the hydrothermal process, the Ag thin film was dissolved to generate Ag ions in the solution. The Ag ions can contribute to doping in the wurzite structure of ZnO and the (111) grain of Ag thin film can be the epitaxial temporal template for the (0001) plane of ZnO. Hence, Ag–doped p–type ZnO nanorods were successfully grown on the substrate, which can be an electrode or semiconductor for the device application. To demonstrate the potentials of this idea, p–n diode was fabricated and its electrical characteristics were demonstrated.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Ag%E2%80%93doped%20ZnO%20nanorods" title="Ag–doped ZnO nanorods">Ag–doped ZnO nanorods</a>, <a href="https://publications.waset.org/search?q=Hydrothermal%20process" title=" Hydrothermal process"> Hydrothermal process</a>, <a href="https://publications.waset.org/search?q=p%E2%80%93n%0D%0Ahomo%E2%80%93junction%20diode" title=" p–n homo–junction diode"> p–n homo–junction diode</a>, <a href="https://publications.waset.org/search?q=p%E2%80%93type%20ZnO." title=" p–type ZnO."> p–type ZnO.</a> </p> <a href="https://publications.waset.org/10000397/vertically-grown-p-type-zno-nanorod-on-ag-thin-film" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10000397/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10000397/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10000397/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10000397/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10000397/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10000397/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10000397/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10000397/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10000397/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10000397/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10000397.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2376</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">476</span> Enhancing Efficiency for Reducing Sugar from Cassava Bagasse by Pretreatment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=S.%20Gaewchingduang">S. Gaewchingduang</a>, <a href="https://publications.waset.org/search?q=P.%20Pengthemkeerati"> P. Pengthemkeerati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Cassava bagasse is one of major biomass wastes in Thailand from starch processing industry, which contains high starch content of about 60%. The object of this study was to investigate the optimal condition for hydrothermally pretreating cassava baggasses with or without acid addition. The pretreated samples were measured reducing sugar yield directly or after enzymatic hydrolysis (alpha-amylase). In enzymatic hydrolysis, the highest reducing sugar content was obtained under hydrothermal conditions for at 125oC for 30 min. The result shows that pretreating cassava baggasses increased the efficiency of enzymatic hydrolysis. For acid hydrolysis, pretreating cassava baggasses with sulfuric acid at 120oC for 60 min gave a maximum reducing sugar yield. In this study, sulfuric acid had a greater capacity for hydrolyzing cassava baggasses than phosphoric acid. In comparison, dilute acid hydrolysis to provide a higher yield of reducing sugar than the enzymatic hydrolysis combined hydrothermal pretreatment. However, enzymatic hydrolysis in a combination with hydrothermal pretreatment was an alternative to enhance efficiency reducing sugar production from cassava bagasse.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Acid%20hydrolysis" title="Acid hydrolysis">Acid hydrolysis</a>, <a href="https://publications.waset.org/search?q=cassava%20bagasse" title=" cassava bagasse"> cassava bagasse</a>, <a href="https://publications.waset.org/search?q=enzymatic%20hydrolysis" title=" enzymatic hydrolysis"> enzymatic hydrolysis</a>, <a href="https://publications.waset.org/search?q=hydrothermal%20pretreatment." title=" hydrothermal pretreatment."> hydrothermal pretreatment.</a> </p> <a href="https://publications.waset.org/8110/enhancing-efficiency-for-reducing-sugar-from-cassava-bagasse-by-pretreatment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/8110/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/8110/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/8110/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/8110/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/8110/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/8110/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/8110/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/8110/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/8110/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/8110/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/8110.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2978</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">475</span> Low Temperature Solid-State Zinc Borate Synthesis from ZnO and H3BO3</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=A.%20S.%20Kipcak">A. S. Kipcak</a>, <a href="https://publications.waset.org/search?q=N.%20Baran%20Acarali"> N. Baran Acarali</a>, <a href="https://publications.waset.org/search?q=E.%20Moroydor%20Derun"> E. Moroydor Derun</a>, <a href="https://publications.waset.org/search?q=N.%20Tugrul"> N. Tugrul</a>, <a href="https://publications.waset.org/search?q=S.%20Piskin"> S. Piskin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Zinc borates can be used as multi-functional synergistic additives with flame retardant additives in polymers. Zinc borate is white, non-hygroscopic and powder type product. The most important properties are low solubility in water and high dehydration temperature. Zinc borates dehydrate above 290°C and anhydrous zinc borate has thermal resistance about 400°C. Zinc borates can be synthesized using several methods such as hydrothermal and solidstate processes. In this study, the solid-state method was applied at low temperatures of 600oC and 700oC using the starting materials of ZnO and H3BO3 with several mole ratios. The reaction time was determined as 4 hours after some preliminary experiments. After the synthesis, the crystal structure and the morphology of the products were examined by X-Ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FT-IR). As a result the forms of ZnB4O7, Zn3(BO3)2, ZnB2O4 were synthesized and obtained along with the unreacted ZnO. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=FT-IR" title="FT-IR">FT-IR</a>, <a href="https://publications.waset.org/search?q=solid-state%20method" title=" solid-state method"> solid-state method</a>, <a href="https://publications.waset.org/search?q=zinc%20borate" title=" zinc borate"> zinc borate</a>, <a href="https://publications.waset.org/search?q=XRD." title=" XRD."> XRD.</a> </p> <a href="https://publications.waset.org/6081/low-temperature-solid-state-zinc-borate-synthesis-from-zno-and-h3bo3" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/6081/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/6081/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/6081/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/6081/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/6081/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/6081/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/6081/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/6081/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/6081/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/6081/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/6081.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2994</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">474</span> Temperature Effect on the Solid-State Synthesis of Dehydrated Zinc Borates</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=N.%20Tugrul">N. Tugrul</a>, <a href="https://publications.waset.org/search?q=N.%20Baran%20Acarali"> N. Baran Acarali</a>, <a href="https://publications.waset.org/search?q=A.%20S.%20Kipcak"> A. S. Kipcak</a>, <a href="https://publications.waset.org/search?q=E.%20Moroydor%20Derun"> E. Moroydor Derun</a>, <a href="https://publications.waset.org/search?q=S.%20Piskin"> S. Piskin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Turkey has 72 % of total world boron reserves on the basis of B2O3.Borates that is a refined form of boron minerals have a wide range of applications. Zinc borates can be used as multifunctional synergistic additives. The most important properties are low solubility in water and high dehydration temperature. Zinc borates dehydrate above 290°C and anhydrous zinc borate has thermal resistance about 400°C. Zinc borates can be synthesized using several methods such as hydrothermal and solid-state processes. In this study, the solid-state method was applied between 500 and 800°C using the starting materials of ZnO and H3BO3 with 1:4 mole ratio. The reaction time was determined as 4 hours after some preliminary experiments. After the synthesis, the crystal structure and the morphology of the products were examined by XRay Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FT-IR) and Raman Spectrometer. As a result the form of ZnB4O7 was synthesized with the highest crystal score at 800°C. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Raman" title="Raman">Raman</a>, <a href="https://publications.waset.org/search?q=solid-state%20method" title=" solid-state method"> solid-state method</a>, <a href="https://publications.waset.org/search?q=zinc%20borate" title=" zinc borate"> zinc borate</a>, <a href="https://publications.waset.org/search?q=XRD." title=" XRD."> XRD.</a> </p> <a href="https://publications.waset.org/7370/temperature-effect-on-the-solid-state-synthesis-of-dehydrated-zinc-borates" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/7370/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/7370/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/7370/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/7370/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/7370/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/7370/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/7370/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/7370/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/7370/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/7370/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/7370.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2295</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">473</span> Efficiency Improvements of GaAs-based Solar Cells by Hydrothermally-deposited ZnO Nanostructure Array</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Chun-Yuan%20Huang">Chun-Yuan Huang</a>, <a href="https://publications.waset.org/search?q=Chiao-Yang%20Cheng"> Chiao-Yang Cheng</a>, <a href="https://publications.waset.org/search?q=Chun-Yem%20Huang"> Chun-Yem Huang</a>, <a href="https://publications.waset.org/search?q=Yan-Kuin%20Su"> Yan-Kuin Su</a>, <a href="https://publications.waset.org/search?q=James%20Chin-Lung%20Fang"> James Chin-Lung Fang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> ZnO nanostructures including nanowires, nanorods, and nanoneedles were successfully deposited on GaAs substrates, respectively, by simple two-step chemical method for the first time. A ZnO seed layer was firstly pre-coated on the O2-plasma treated substrate by sol-gel process, followed by the nucleation of ZnO nanostructures through hydrothermal synthesis. Nanostructures with different average diameter (15-250 nm), length (0.9-1.8 μm), density (0.9-16×109 cm-2) were obtained via adjusting the growth time and concentration of precursors. From the reflectivity spectra, we concluded ordered and taper nanostructures were preferential for photovoltaic applications. ZnO nanoneedles with an average diameter of 106 nm, a moderate length of 2.4 μm, and the density of 7.2×109 cm-2 could be synthesized in the concentration of 0.04 M for 18 h. Integrated with the nanoneedle array, the power conversion efficiency of single junction solar cell was increased from 7.3 to 12.2%, corresponding to a 67% improvement. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Anti-reflection" title="Anti-reflection">Anti-reflection</a>, <a href="https://publications.waset.org/search?q=Chemical%20synthesis" title=" Chemical synthesis"> Chemical synthesis</a>, <a href="https://publications.waset.org/search?q=Solar%20cells" title=" Solar cells"> Solar cells</a>, <a href="https://publications.waset.org/search?q=ZnO%20nanostructures." title=" ZnO nanostructures."> ZnO nanostructures.</a> </p> <a href="https://publications.waset.org/9135/efficiency-improvements-of-gaas-based-solar-cells-by-hydrothermally-deposited-zno-nanostructure-array" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9135/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9135/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9135/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9135/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9135/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9135/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9135/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9135/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9135/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9135/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9135.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1943</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">472</span> Application of the Neural Network to the Synthesis of Multibeam Antennas Arrays</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ridha%20Ghayoula">Ridha Ghayoula</a>, <a href="https://publications.waset.org/search?q=Mbarek%20Traii"> Mbarek Traii</a>, <a href="https://publications.waset.org/search?q=Ali%20Gharsallah"> Ali Gharsallah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we intend to study the synthesis of the multibeam arrays. The synthesis implementation-s method for this type of arrays permits to approach the appropriated radiance-s diagram. The used approach is based on neural network that are capable to model the multibeam arrays, consider predetermined general criteria-s, and finally it permits to predict the appropriated diagram from the neural model. Our main contribution in this paper is the extension of a synthesis model of these multibeam arrays. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Multibeam" title="Multibeam">Multibeam</a>, <a href="https://publications.waset.org/search?q=modelling" title=" modelling"> modelling</a>, <a href="https://publications.waset.org/search?q=neural%20networks" title=" neural networks"> neural networks</a>, <a href="https://publications.waset.org/search?q=synthesis" title=" synthesis"> synthesis</a>, <a href="https://publications.waset.org/search?q=antennas." title="antennas.">antennas.</a> </p> <a href="https://publications.waset.org/11960/application-of-the-neural-network-to-the-synthesis-of-multibeam-antennas-arrays" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/11960/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/11960/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/11960/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/11960/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/11960/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/11960/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/11960/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/11960/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/11960/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/11960/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/11960.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1228</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">471</span> Hydrothermal Treatment for Production of Aqueous Co-Product and Efficient Oil Extraction from Microalgae</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Manatchanok%20Tantiphiphatthana">Manatchanok Tantiphiphatthana</a>, <a href="https://publications.waset.org/search?q=Lin%20Peng"> Lin Peng</a>, <a href="https://publications.waset.org/search?q=Rujira%20Jitrwung"> Rujira Jitrwung</a>, <a href="https://publications.waset.org/search?q=Kunio%20Yoshikawa"> Kunio Yoshikawa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Hydrothermal liquefaction (HTL) is a technique for obtaining clean biofuel from biomass in the presence of heat and pressure in an aqueous medium which leads to a decomposition of this biomass to the formation of various products. A role of operating conditions is essential for the bio-oil and other products’ yield and also quality of the products. The effects of these parameters were investigated in regards to the composition and yield of the products. Chlorellaceae microalgae were tested under different HTL conditions to clarify suitable conditions for extracting bio-oil together with value-added co-products. Firstly, different microalgae loading rates (5-30%) were tested and found that this parameter has not much significant to product yield. Therefore, 10% microalgae loading rate was selected as a proper economical solution for conditioned schedule at 250oC and 30 min-reaction time. Next, a range of temperature (210-290oC) was applied to verify the effects of each parameter by keeping the reaction time constant at 30 min. The results showed no linkage with the increase of the reaction temperature and some reactions occurred that lead to different product yields. Moreover, some nutrients found in the aqueous product are possible to be utilized for nutrient recovery.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Bio-oil" title="Bio-oil">Bio-oil</a>, <a href="https://publications.waset.org/search?q=Hydrothermal%20Liquefaction" title=" Hydrothermal Liquefaction"> Hydrothermal Liquefaction</a>, <a href="https://publications.waset.org/search?q=Microalgae" title=" Microalgae"> Microalgae</a>, <a href="https://publications.waset.org/search?q=Aqueous%20co-product." title=" Aqueous co-product."> Aqueous co-product.</a> </p> <a href="https://publications.waset.org/10001294/hydrothermal-treatment-for-production-of-aqueous-co-product-and-efficient-oil-extraction-from-microalgae" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10001294/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10001294/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10001294/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10001294/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10001294/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10001294/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10001294/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10001294/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10001294/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10001294/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10001294.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2097</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">470</span> Zinc Borate Synthesis Using Hydrozincite and Boric Acid with Ultrasonic Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=D.%20S.%20Vardar">D. S. Vardar</a>, <a href="https://publications.waset.org/search?q=A.%20S.%20Kipcak"> A. S. Kipcak</a>, <a href="https://publications.waset.org/search?q=F.%20T.%20Senberber"> F. T. Senberber</a>, <a href="https://publications.waset.org/search?q=E.%20M.%20Derun"> E. M. Derun</a>, <a href="https://publications.waset.org/search?q=N.%20Tugrul"> N. Tugrul</a>, <a href="https://publications.waset.org/search?q=S.%20Piskin"> S. Piskin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Zinc borate is an important inorganic hydrate borate material, which can be used as a flame retardant agent and corrosion resistance material. This compound can loss its structural water content at higher than 290°C. Due to thermal stability; Zinc Borate can be used as flame retardant at high temperature process of plastic and gum. In this study, the ultrasonic reaction of zinc borates were studied using hydrozincite (Zn5(CO3)2·(OH)6) and boric acid (H3BO3) raw materials. Before the synthesis raw materials were characterized by X-Ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FT-IR). Ultrasonic method is a new application on the zinc borate synthesis. The synthesis parameters were set to 90°C reaction temperature and 55 minutes of reaction time, with 1:1, 1:2, 1:3, 1:4 and 1:5 molar ratio of starting materials (Zn5(CO3)2·(OH)6 : H3BO3). After the zinc borate synthesis, the products were analyzed by XRD and FT-IR. As a result, optimum molar ratio of 1:5 is determined for the synthesis of zinc borates with ultrasonic method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Borate" title="Borate">Borate</a>, <a href="https://publications.waset.org/search?q=ultrasonic%20method" title=" ultrasonic method"> ultrasonic method</a>, <a href="https://publications.waset.org/search?q=zinc%20borate" title=" zinc borate"> zinc borate</a>, <a href="https://publications.waset.org/search?q=zinc%20borate%0D%0Asynthesis." title=" zinc borate synthesis."> zinc borate synthesis.</a> </p> <a href="https://publications.waset.org/10002670/zinc-borate-synthesis-using-hydrozincite-and-boric-acid-with-ultrasonic-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10002670/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10002670/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10002670/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10002670/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10002670/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10002670/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10002670/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10002670/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10002670/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10002670/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10002670.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2064</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">469</span> Impact of Zn/Cr Ratio on ZnCrOx-SAPO-34 Bifunctional Catalyst for Direct Conversion of Syngas to Light Olefins</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Yuxuan%20Huang">Yuxuan Huang</a>, <a href="https://publications.waset.org/search?q=Weixin%20Qian"> Weixin Qian</a>, <a href="https://publications.waset.org/search?q=Hongfang%20Ma"> Hongfang Ma</a>, <a href="https://publications.waset.org/search?q=Haitao%20Zhang"> Haitao Zhang</a>, <a href="https://publications.waset.org/search?q=Weiyong%20Ying"> Weiyong Ying</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Light olefins are important building blocks for chemical industry. Direct conversion of syngas to light olefins has been investigated for decades. Meanwhile, the limit for light olefins selectivity described by Anderson-Schulz-Flory (ASF) distribution model is still a great challenge to conventional Fischer-Tropsch synthesis. The emerging strategy called oxide-zeolite concept (OX-ZEO) is a promising way to get rid of this limit. ZnCrO<sub>x</sub> was prepared by co-precipitation method and (NH<sub>4</sub>)<sub>2</sub>CO<sub>3</sub> was used as precipitant. SAPO-34 was prepared by hydrothermal synthesis, and Tetraethylammonium hydroxide (TEAOH) was used as template, while silica sol, pseudo-boehmite, and phosphoric acid were Al, Si and P source, respectively. The bifunctional catalyst was prepared by mechanical mixing of ZnCrO<sub>x</sub> and SAPO-34. Catalytic reactions were carried out under H<sub>2</sub>/CO=2, 380 ℃, 1 MPa and 6000 mL·g<sub>cat</sub><sup>-1</sup>·h<sup>-1</sup> in a fixed-bed reactor with a quartz lining. Catalysts were characterized by XRD, N<sub>2</sub> adsorption-desorption, NH<sub>3</sub>-TPD, H<sub>2</sub>-TPR, and CO-TPD. The addition of Al as structure promoter enhances CO conversion and selectivity to light olefins. Zn/Cr ratio, which decides the active component content and chemisorption property of the catalyst, influences CO conversion and selectivity to light olefins at the same time. C<sub>2-4</sub><sup>=</sup> distribution of 86% among hydrocarbons at CO conversion of 14% was reached when Zn/Cr=1.5.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Light%20olefins" title="Light olefins">Light olefins</a>, <a href="https://publications.waset.org/search?q=OX-ZEO" title=" OX-ZEO"> OX-ZEO</a>, <a href="https://publications.waset.org/search?q=syngas" title=" syngas"> syngas</a>, <a href="https://publications.waset.org/search?q=ZnCrOx." title=" ZnCrOx."> ZnCrOx.</a> </p> <a href="https://publications.waset.org/10009663/impact-of-zncr-ratio-on-zncrox-sapo-34-bifunctional-catalyst-for-direct-conversion-of-syngas-to-light-olefins" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10009663/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10009663/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> 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