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roasting</title> <meta name="description" content="Search results for: roasting"> <meta name="keywords" content="roasting"> <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 d-lg-none navbar-toggler ml-auto" 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badge-info">11</span> Zinc Sulfide Concentrates and Optimization of their Roasting in Fluidezed Bed Reactor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=B.S.Boyanov">B.S.Boyanov</a>, <a href="https://publications.waset.org/search?q=M.P.Sandalski"> M.P.Sandalski</a>, <a href="https://publications.waset.org/search?q=K.I.Ivanov"> K.I.Ivanov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The production of glass, ceramic materials and many non-ferrous metals (Zn, Cu, Pb, etc.), ferrous metals (pig iron) and others is connected with the use of a considerable number of initial solid raw materials. Before carrying out the basic technological processes (oxidized roasting, melting, agglomeration, baking) it is necessary to mix and homogenize the raw materials that have different chemical and phase content, granulometry and humidity. For this purpose zinc sulfide concentrates differing in origin are studied for their more complete characteristics using chemical, X-ray diffraction analyses, DTA and TGA as well as Mössbauer spectroscopy. The phases established in most concentrates are: β-ZnS, mZnS.nFeS, FeS2, CuFeS2, PbS, SiO2 (α-quartz). With the help of the developed by us a Web-based information system for a continued period of time different mix proportions from zinc concentrates are calculated and used in practice (roasting in fluidized bed reactor), which have to conform to the technological requirements of the zinc hydrometallurgical technological scheme.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=fluidized%20bed%20reactor" title="fluidized bed reactor">fluidized bed reactor</a>, <a href="https://publications.waset.org/search?q=roasting" title=" roasting"> roasting</a>, <a href="https://publications.waset.org/search?q=Web-based%0D%0Ainformation%20system" title=" Web-based information system"> Web-based information system</a>, <a href="https://publications.waset.org/search?q=zinc%20concentrates." title=" zinc concentrates."> zinc concentrates.</a> </p> <a href="https://publications.waset.org/2158/zinc-sulfide-concentrates-and-optimization-of-their-roasting-in-fluidezed-bed-reactor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/2158/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/2158/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/2158/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/2158/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/2158/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/2158/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/2158/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/2158/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/2158/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/2158/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/2158.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">3162</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">10</span> Recycling of Sintered NdFeB Magnet Waste via Oxidative Roasting and Selective Leaching</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=W.%20Kritsarikan">W. Kritsarikan</a>, <a href="https://publications.waset.org/search?q=T.%20Patcharawit"> T. Patcharawit</a>, <a href="https://publications.waset.org/search?q=T.%20Yingnakorn"> T. Yingnakorn</a>, <a href="https://publications.waset.org/search?q=S.%20Khumkoa"> S. Khumkoa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Neodymium-iron-boron (NdFeB) magnets classified as high-power magnets are widely used in various applications such as automotive, electrical and medical devices. Because significant amounts of rare earth metals will be subjected to shortages in the future, therefore domestic NdFeB magnet waste recycling should therefore be developed in order to reduce social and environmental impacts towards a circular economy. Each type of wastes has different characteristics and compositions. As a result, these directly affect recycling efficiency as well as types and purity of the recyclable products. This research, therefore, focused on the recycling of manufacturing NdFeB magnet waste obtained from the sintering stage of magnet production and the waste contained 23.6% Nd, 60.3% Fe and 0.261% B in order to recover high purity neodymium oxide (Nd2O3) using hybrid metallurgical process via oxidative roasting and selective leaching techniques. The sintered NdFeB waste was first ground to under 70 mesh prior to oxidative roasting at 550–800 oC to enable selective leaching of neodymium in the subsequent leaching step using H2SO4 at 2.5 M over 24 h. The leachate was then subjected to drying and roasting at 700–800 oC prior to precipitation by oxalic acid and calcination to obtain Nd2O3 as the recycling product. According to XRD analyses, it was found that increasing oxidative roasting temperature led to an increasing amount of hematite (Fe2O3) as the main composition with a smaller amount of magnetite (Fe3O4) found. Peaks of Nd2O3 were also observed in a lesser amount. Furthermore, neodymium iron oxide (NdFeO3) was present and its XRD peaks were pronounced at higher oxidative roasting temperatures. When proceeded to acid leaching and drying, iron sulfate and neodymium sulfate were mainly obtained. After the roasting step prior to water leaching, iron sulfate was converted to form Fe2O3 as the main compound, while neodymium sulfate remained in the ingredient. However, a small amount of Fe3O4 was still detected by XRD. The higher roasting temperature at 800 oC resulted in a greater Fe2O3 to Nd2(SO4)3 ratio, indicating a more effective roasting temperature. Iron oxides were subsequently water leached and filtered out while the solution contained mainly neodymium sulfate. Therefore, low oxidative roasting temperature not exceeding 600 oC followed by acid leaching and roasting at 800 oC gave the optimum condition for further steps of precipitation and calcination to finally achieve Nd2O3.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=NdFeB%20magnet%20waste" title="NdFeB magnet waste">NdFeB magnet waste</a>, <a href="https://publications.waset.org/search?q=oxidative%20roasting" title=" oxidative roasting"> oxidative roasting</a>, <a href="https://publications.waset.org/search?q=recycling" title=" recycling"> recycling</a>, <a href="https://publications.waset.org/search?q=selective%20leaching" title=" selective leaching"> selective leaching</a> </p> <a href="https://publications.waset.org/10012237/recycling-of-sintered-ndfeb-magnet-waste-via-oxidative-roasting-and-selective-leaching" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10012237/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10012237/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10012237/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10012237/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10012237/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10012237/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10012237/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10012237/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10012237/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10012237/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10012237.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">703</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">9</span> Ferrites of the MeFe2O4 System (Me – Zn, Cu, Cd) and Their Two Faces</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=B.%20S.%20Boyanov">B. S. Boyanov</a>, <a href="https://publications.waset.org/search?q=A.%20B.%20Peltekov"> A. B. Peltekov</a>, <a href="https://publications.waset.org/search?q=K.%20I.%20Ivanov"> K. I. Ivanov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The ferrites ZnFe2O4, CdFe2O4 and CuFe2O4 are synthesized in laboratory conditions using ceramic technology. Their homogeneity and structure are proven by X-Ray diffraction analysis and Mössbauer spectroscopy. The synthesized ferrites are subjected to strong acid and high temperature leaching with solutions of H2SO4, HCl and HNO3. The results indicate that the highest degree of leaching of Zn, Cd and Cu from the ferrites is achieved by use of HCl. The charging of five zinc sulfide concentrates was optimized using the criterion of minimal amount of zinc ferrite produced when roasting the concentrates in a fluidized bed. The results obtained are interpreted in terms of the hydrometallurgical zinc production and maximum recovery of zinc, copper and cadmium from initial zinc concentrates after their roasting.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Hydrometallurgy" title="Hydrometallurgy">Hydrometallurgy</a>, <a href="https://publications.waset.org/search?q=inorganic%20acids" title=" inorganic acids"> inorganic acids</a>, <a href="https://publications.waset.org/search?q=solubility" title=" solubility"> solubility</a>, <a href="https://publications.waset.org/search?q=zinc%0D%0Aferrite." title=" zinc ferrite."> zinc ferrite.</a> </p> <a href="https://publications.waset.org/10002705/ferrites-of-the-mefe2o4-system-me-zn-cu-cd-and-their-two-faces" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10002705/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10002705/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10002705/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10002705/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10002705/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10002705/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10002705/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10002705/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10002705/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10002705/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10002705.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">1775</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">8</span> Pre-beneficiation of Low Grade Diasporic Bauxite Ore by Reduction Roasting</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=K.%20Y%C4%B1lmaz">K. Yılmaz</a>, <a href="https://publications.waset.org/search?q=B.%20Birol"> B. Birol</a>, <a href="https://publications.waset.org/search?q=M.%20N.%20Sar%C4%B1dede"> M. N. Sarıdede</a>, <a href="https://publications.waset.org/search?q=E.%20Yi%C4%9Fit"> E. Yiğit</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A bauxite ore can be utilized in Bayer Process, if the mass ratio of Al2O3 to SiO2 is greater than 10. Otherwise, its FexOy and SiO2 content should be removed. On the other hand, removal of TiO2 from the bauxite ore would be beneficial because of both lowering the red mud residue and obtaining a valuable raw material containing TiO2 mineral. In this study, the low grade diasporic bauxite ore of Yalvaç, Isparta, Turkey was roasted under reducing atmosphere and subjected to magnetic separation. According to the experimental results, 800°C for reduction temperature and 20000 Gauss of magnetic intensity were found to be the optimum parameters for removal of iron oxide and rutile from the nonmagnetic ore. On the other hand, 600°C and 5000 Gauss were determined to be the optimum parameters for removal of silica from the non-magnetic ore. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Low%20grade%20diasporic%20bauxite" title="Low grade diasporic bauxite">Low grade diasporic bauxite</a>, <a href="https://publications.waset.org/search?q=magnetic%20separation" title=" magnetic separation"> magnetic separation</a>, <a href="https://publications.waset.org/search?q=reduction%20roasting" title=" reduction roasting"> reduction roasting</a>, <a href="https://publications.waset.org/search?q=separation%20index." title=" separation index."> separation index.</a> </p> <a href="https://publications.waset.org/10002069/pre-beneficiation-of-low-grade-diasporic-bauxite-ore-by-reduction-roasting" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10002069/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10002069/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10002069/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10002069/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10002069/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10002069/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10002069/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10002069/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10002069/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10002069/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10002069.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">3222</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">7</span> The Content of Acrylamide in Deep-fat Fried, Shallow Fried and Roasted Potatoes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Irisa%20Murniece">Irisa Murniece</a>, <a href="https://publications.waset.org/search?q=Daina%20Karklina"> Daina Karklina</a>, <a href="https://publications.waset.org/search?q=Ruta%20Galoburda"> Ruta Galoburda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Potato is one of the main components of warm meals in Latvia. Consumption of fried potatoes in Latvia is the highest comparing to Nordic and other Baltic countries. Therefore acrylamide (AA) intake coming from fried potatoes in population might be high as well. The aim of the research was to determine AA content in traditionally cooked potatoes bred and cultivated in Latvia. Five common Latvian potato varieties were selected: Lenora, Brasla, Imanta, Zile and Madara. A two-year research was conducted during two periods: just after harvesting and after six months of storage. The following cooking methods were used: shallow frying (150 ± 5 °C); deep-fat frying (180 ± 5 °C) and roasting (210 ± 5 °C). Time and temperature was recorded during frying. AA was extracted from potatoes by solid phase extraction and AA content was determined by LC-MS/MS. AA content significantly differs (p<0.05) in potatoes per variety, per each frying method and per time.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=potato" title="potato">potato</a>, <a href="https://publications.waset.org/search?q=frying" title=" frying"> frying</a>, <a href="https://publications.waset.org/search?q=roasting" title=" roasting"> roasting</a>, <a href="https://publications.waset.org/search?q=variety" title=" variety"> variety</a>, <a href="https://publications.waset.org/search?q=acrylamide" title=" acrylamide"> acrylamide</a>, <a href="https://publications.waset.org/search?q=Latvia." title=" Latvia."> Latvia.</a> </p> <a href="https://publications.waset.org/8700/the-content-of-acrylamide-in-deep-fat-fried-shallow-fried-and-roasted-potatoes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/8700/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/8700/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/8700/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/8700/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/8700/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/8700/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/8700/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/8700/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/8700/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/8700/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/8700.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">1789</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">6</span> Normal and Peaberry Coffee Beans Classification from Green Coffee Bean Images Using Convolutional Neural Networks and Support Vector Machine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Hira%20Lal%20Gope">Hira Lal Gope</a>, <a href="https://publications.waset.org/search?q=Hidekazu%20Fukai"> Hidekazu Fukai </a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The aim of this study is to develop a system which can identify and sort peaberries automatically at low cost for coffee producers in developing countries. In this paper, the focus is on the classification of peaberries and normal coffee beans using image processing and machine learning techniques. The peaberry is not bad and not a normal bean. The peaberry is born in an only single seed, relatively round seed from a coffee cherry instead of the usual flat-sided pair of beans. It has another value and flavor. To make the taste of the coffee better, it is necessary to separate the peaberry and normal bean before green coffee beans roasting. Otherwise, the taste of total beans will be mixed, and it will be bad. In roaster procedure time, all the beans shape, size, and weight must be unique; otherwise, the larger bean will take more time for roasting inside. The peaberry has a different size and different shape even though they have the same weight as normal beans. The peaberry roasts slower than other normal beans. Therefore, neither technique provides a good option to select the peaberries. Defect beans, e.g., sour, broken, black, and fade bean, are easy to check and pick up manually by hand. On the other hand, the peaberry pick up is very difficult even for trained specialists because the shape and color of the peaberry are similar to normal beans. In this study, we use image processing and machine learning techniques to discriminate the normal and peaberry bean as a part of the sorting system. As the first step, we applied Deep Convolutional Neural Networks (CNN) and Support Vector Machine (SVM) as machine learning techniques to discriminate the peaberry and normal bean. As a result, better performance was obtained with CNN than with SVM for the discrimination of the peaberry. The trained artificial neural network with high performance CPU and GPU in this work will be simply installed into the inexpensive and low in calculation Raspberry Pi system. We assume that this system will be used in under developed countries. The study evaluates and compares the feasibility of the methods in terms of accuracy of classification and processing speed.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Convolutional%20neural%20networks" title="Convolutional neural networks">Convolutional neural networks</a>, <a href="https://publications.waset.org/search?q=coffee%20bean" title=" coffee bean"> coffee bean</a>, <a href="https://publications.waset.org/search?q=peaberry" title=" peaberry"> peaberry</a>, <a href="https://publications.waset.org/search?q=sorting" title=" sorting"> sorting</a>, <a href="https://publications.waset.org/search?q=support%20vector%20machine." title=" support vector machine."> support vector machine.</a> </p> <a href="https://publications.waset.org/10011255/normal-and-peaberry-coffee-beans-classification-from-green-coffee-bean-images-using-convolutional-neural-networks-and-support-vector-machine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10011255/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10011255/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10011255/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10011255/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10011255/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10011255/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10011255/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10011255/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10011255/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10011255/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10011255.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">1553</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">5</span> Management of Meskit (Prosopis juliflora) Tree in Oman: The Case of Using Meskit (Prosopis juliflora) Pods for Feeding Omani Sheep</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=S.%20Al-Khalasi">S. Al-Khalasi</a>, <a href="https://publications.waset.org/search?q=O.%20Mahgoub"> O. Mahgoub</a>, <a href="https://publications.waset.org/search?q=H.%20Yaakub"> H. Yaakub</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>This study evaluated the use of raw or processed Prosopis juliflora (Meskit) pods as a major ingredient in a formulated ration to provide an alternative non-conventional concentrate for livestock feeding in Oman. Dry Meskit pods were reduced to lengths of 0.5- 1.0 cm to ensure thorough mixing into three diets. Meskit pods were subjected to two types of treatments; roasting and soaking. They were roasted at 150оC for 30 minutes using a locally-made roasting device (40 kg barrel container rotated by electric motor and heated by flame gas cooker). Chopped pods were soaked in tap water for 24 hours and dried for 2 days under the sun with frequent turning. The Meskit-pod-based diets (MPBD) were formulated and pelleted from 500 g/kg ground Meskit pods, 240 g/kg wheat bran, 200 g/kg barley grain, 50 g/kg local dried sardines and 10 g/kg of salt. Twenty four 10 months-old intact Omani male lambs with average body weight of 27.3 kg (± 0.5 kg) were used in a feeding trial for 84 days. They were divided (on body weight basis) and allocated to four diet combination groups. These were: Rhodes grass hay (RGH) plus a general ruminant concentrate (GRC); RGH plus raw Meskit pods (RMP) based concentrate; RGH plus roasted Meskit pods (ROMP) based concentrate; RGH plus soaked Meskit pods (SMP) based concentrate Daily feed intakes and bi-weekly body weights were recorded. MPBD had higher contents of crude protein (CP), acid detergent fibre (ADF) and neutral detergent fibre (NDF) than the GRC. Animals fed various types of MPBD did not show signs of ill health. There was a significant effect of feeding ROMP on the performance of Omani sheep compared to RMP and SMP. The ROMP fed animals had similar performance to those fed the GRC in terms of feed intake, body weight gain and feed conversion ratio (FCR).This study indicated that roasted Meskit pods based diet may be used instead of the commercial concentrate for feeding Omani sheep without adverse effects on performance. It offers a cheap alternative source of protein and energy for feeding Omani sheep. Also, it might help in solving the spread impact of Meskit trees, maintain the ecosystem and helping in preserving the local tree species.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Growth" title="Growth">Growth</a>, <a href="https://publications.waset.org/search?q=Meskit" title=" Meskit"> Meskit</a>, <a href="https://publications.waset.org/search?q=Omani%20sheep" title=" Omani sheep"> Omani sheep</a>, <a href="https://publications.waset.org/search?q=Prosopis%20juliflora." title=" Prosopis juliflora."> Prosopis juliflora.</a> </p> <a href="https://publications.waset.org/10000659/management-of-meskit-prosopis-juliflora-tree-in-oman-the-case-of-using-meskit-prosopis-juliflora-pods-for-feeding-omani-sheep" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10000659/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10000659/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10000659/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10000659/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10000659/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10000659/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10000659/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10000659/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10000659/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10000659/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10000659.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">2776</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">4</span> Risk Assessment of Acrylamide Intake from Roasted Potatoes in Latvia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Irisa%20Murniece">Irisa Murniece</a>, <a href="https://publications.waset.org/search?q=Daina%20Karklina"> Daina Karklina</a>, <a href="https://publications.waset.org/search?q=Ruta%20Galoburda"> Ruta Galoburda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>From food consumption surveys has been found that potato consumption comparing to other European countries is one of the highest. Hence acrylamide (AA) intake coming from fried potatoes in population might be high as well. The aim of the research was to determine acrylamide content and estimate intake of acrylamide from roasted potatoes bred and cultivated in Latvia. Five common Latvian potato varieties were selected: Lenora, Brasla, Imanta, Zile, and Madara. A two-year research was conducted during two periods: just after harvesting and after six months of storage. Time and temperature (210 ± 5°C) was recorded during frying. AA was extracted from potatoes by solid phase extraction and AA content was determined by LC-MS/MS. estimated intake of acrylamide ranges from 0.012 to 0.496μgkg-1 BW per day.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=potato" title="potato">potato</a>, <a href="https://publications.waset.org/search?q=roasting" title=" roasting"> roasting</a>, <a href="https://publications.waset.org/search?q=variety" title=" variety"> variety</a>, <a href="https://publications.waset.org/search?q=acrylamide" title=" acrylamide"> acrylamide</a>, <a href="https://publications.waset.org/search?q=Latvia" title=" Latvia"> Latvia</a>, <a href="https://publications.waset.org/search?q=risk%20assessment." title=" risk assessment."> risk assessment.</a> </p> <a href="https://publications.waset.org/11726/risk-assessment-of-acrylamide-intake-from-roasted-potatoes-in-latvia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/11726/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/11726/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/11726/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/11726/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/11726/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/11726/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/11726/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/11726/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/11726/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/11726/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/11726.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">2062</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">3</span> A Comparative Study of Metal Extraction from Spent Catalyst Using Acidithiobacillus ferrooxidans</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Haragobinda%20Srichandan">Haragobinda Srichandan</a>, <a href="https://publications.waset.org/search?q=Sradhanjali%20Singh"> Sradhanjali Singh</a>, <a href="https://publications.waset.org/search?q=Dong%20Jin%20Kim"> Dong Jin Kim</a>, <a href="https://publications.waset.org/search?q=Seoung-Won%20Lee"> Seoung-Won Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The recovery of metal values and safe disposal of spent catalyst is gaining interest due to both its hazardous nature and increased regulation associated with disposal methods. Prior to the recovery of the valuable metals, removal of entrained deposits limit the diffusion of lixiviate resulting in low recovery of metals must be taken into consideration. Therefore, petroleum refinery spent catalyst was subjected to acetone washing and roasting at 500oC. The treated samples were investigated for metals bioleaching using Acidithiobacillus ferrooxidans in batch reactors and the leaching efficiencies were compared. It was found out that acetone washed spent catalysts results in better metal recovery compare to roasted spent. About 83% Ni, 20% Al, 50% Mo and 73% V were leached using the acetone washed spent catalyst. In both the cases, Ni, V and Mo was high compared to Al. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Acetone%20wash" title="Acetone wash">Acetone wash</a>, <a href="https://publications.waset.org/search?q=At.%20ferrooxidans" title=" At. ferrooxidans"> At. ferrooxidans</a>, <a href="https://publications.waset.org/search?q=Bioleaching" title=" Bioleaching"> Bioleaching</a>, <a href="https://publications.waset.org/search?q=Calcined" title=" Calcined"> Calcined</a>, <a href="https://publications.waset.org/search?q=Metal%20recovery." title=" Metal recovery."> Metal recovery.</a> </p> <a href="https://publications.waset.org/6388/a-comparative-study-of-metal-extraction-from-spent-catalyst-using-acidithiobacillus-ferrooxidans" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/6388/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/6388/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/6388/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/6388/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/6388/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/6388/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/6388/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/6388/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/6388/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/6388/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/6388.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">2583</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">2</span> Development of an Adhesive from Prosopis africana Seed Endosperm (Okpeyi)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Nwangwu%20Florence%20Chinyere">Nwangwu Florence Chinyere</a>, <a href="https://publications.waset.org/search?q=Ene%20Rosemary%20Ndidiamaka"> Ene Rosemary Ndidiamaka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research work is an experimental study, through development of an adhesive from Prosopis africana endosperm. The prosopis seed for this work were obtained from Enugu State in the South East part of Nigeria. The seeds were prepared by separating the endosperm from the seed coat and cotyledon. Three methods were used to separate them, which are acidic method, roasting method and boiling method. 20g of seed were treated with different concentrations (25, 40, 55, 70, and 85% w/w) at 100°C and constant time (30 minutes), under continuous stirring with magnetic stirrer. Also 20g of seed were treated with sulphuric acid of concentrations 40% w/w at 100°C with different time (10, 15, 20, 25, 30 minutes), under continuous stirring with magnetic stirrer. Finally, 20g of seed were treated with sulphuric acid of concentrations 40% w/w at different temperature (20°C, 40°C, 60°C, 80°C, and 100°C) with constant time (30 minutes), under continuous stirring with magnetic stirrer. The whole endosperm extracted was adhesive. The physical properties of the adhesive were determined (appearance, odour, taste, solubility, pH, size, and binding strength). The percentage of the adhesive yield makes the commercialization of the seed in Nigeria possible and profitable. The very high viscosity attained at low concentrations makes prosopis adhesive an excellent thickener in the food industry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Endosperm" title="Endosperm">Endosperm</a>, <a href="https://publications.waset.org/search?q=adhesive" title=" adhesive"> adhesive</a>, <a href="https://publications.waset.org/search?q=ethanol" title=" ethanol"> ethanol</a>, <a href="https://publications.waset.org/search?q=Prosopis%20africana%0D%0Aseed." title=" Prosopis africana seed."> Prosopis africana seed.</a> </p> <a href="https://publications.waset.org/10003256/development-of-an-adhesive-from-prosopis-africana-seed-endosperm-okpeyi" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10003256/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10003256/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10003256/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10003256/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10003256/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10003256/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10003256/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10003256/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10003256/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10003256/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10003256.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">1427</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">1</span> Furniko Flour: An Emblematic Traditional Food of Greek Pontic Cuisine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=A.%20Keramaris">A. Keramaris</a>, <a href="https://publications.waset.org/search?q=T.%20Sawidis"> T. Sawidis</a>, <a href="https://publications.waset.org/search?q=E.%20Kasapidou"> E. Kasapidou</a>, <a href="https://publications.waset.org/search?q=P.%20Mitlianga"> P. Mitlianga</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Although the gastronomy of the Greeks of Pontus is well-known, it has not received the same level of scientific scrutiny as another Greek local cuisine, that of Crete. As a result, we planned to concentrate our research on Greek Pontic cuisine to shed light on its distinct recipes, food products, and, ultimately, its characteristics. The Greeks of Pontus have one of Greece's most distinguished local cuisines, having lived for a long time in the northern part (Black Sea Region) of modern Turkey and now widely inhabiting northern Greece. Despite its simplicity, their cuisine contains several mouthwatering delicacies. Even though they have been in Greece for a century, their gastronomic culture remains an important part of their collective identity. As a first step toward understanding Greek Pontic cuisine, furniko flour, one of its most well-known traditional products, was investigated. For this project, we targeted residents of Western Macedonia, a province in northern Greece with a large population of descendants of Pontus Greeks who are primarily engaged in agricultural activities. In this quest, we approached a descendant of Pontus Greeks who is involved in the production of furniko flour and agreed to show us the entire process as we participated in it. Furniko flour is made from heirloom non-hybrid corn. When the moisture content of the seeds is low enough to make them suitable for roasting, they are harvested by hand. Harvesting by hand entails removing the cob from the plant and separating the husks. The harvested cobs are then roasted in a traditional wood oven for 24 hours. After that, the these are collected and stored in sacks. The next step is to extract the seeds by rubbing the cobs together. Ideally, the seeds should be ground in a traditional stone hand mill. The outcome of this process is aromatic, dark golden furniko flour, which is used to make havitz. Along with the furniko flour preparation, we also documented the havitz cooking process (a porridge-like corn flour dish). One of the most delectable dishes in Greek Pontic cuisine, this savory delicacy is simple to prepare. Because of the ingredients of furniko flour, havitz is a highly nutritious dish, according to the research participant. Furthermore, he claims that preparing havitz is a wonderful way to bring families together, share stories, and revisit happy memories. Finally, as an initial effort to highlight elements of Pontic Greek cuisine, this study illustrates the traditional preparation of furniko flour and its use in various traditional recipes. Our next objective would be to evaluate the nutritional value of furniko flour by analyzing its chemical components. </p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Furniko%20flour" title="Furniko flour">Furniko flour</a>, <a href="https://publications.waset.org/search?q=Greek%20Pontic%20cuisine" title=" Greek Pontic cuisine"> Greek Pontic cuisine</a>, <a href="https://publications.waset.org/search?q=Havitz" title=" Havitz"> Havitz</a>, <a href="https://publications.waset.org/search?q=traditional%20foods." title=" traditional foods."> traditional foods.</a> </p> <a href="https://publications.waset.org/10013046/furniko-flour-an-emblematic-traditional-food-of-greek-pontic-cuisine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10013046/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10013046/bibtex" target="_blank" rel="nofollow" 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