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concentration</title> <meta name="description" content="Search results for: iron ore concentration"> <meta name="keywords" content="iron ore concentration"> <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/abstracts/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="iron ore concentration"> <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> 5756</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: iron ore concentration</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5756</span> Protein-Thiocyanate Composite as a Sensor for Iron III Cations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hosam%20El-Sayed">Hosam El-Sayed</a>, <a href="https://publications.waset.org/abstracts/search?q=Amira%20%20Abou%20El-Kheir"> Amira Abou El-Kheir</a>, <a href="https://publications.waset.org/abstracts/search?q=Salwa%20Mowafi"> Salwa Mowafi</a>, <a href="https://publications.waset.org/abstracts/search?q=Marwa%20Abou%20Taleb"> Marwa Abou Taleb</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Two proteinic biopolymers; namely keratin and sericin, were extracted from their respective natural resources by simple appropriate methods. The said proteins were dissolved in the appropriate solvents followed by regeneration in a form of film polyvinyl alcohol. Proteinium thiocyanate (PTC) composite was prepared by reaction of a regenerated film with potassium thiocyanate in acid medium. In another experiment, the said acidified proteins were reacted with potassium thiocyante before dissolution and regeneration in a form of PTC composite. The possibility of using PTC composite for determination of the concentration of iron III ions in domestic as well as industrial water was examined. The concentration of iron III cations in water was determined spectrophotometrically by measuring the intensity of blood red colour of iron III thiocyanate obtained by interaction of PTC with iron III cation in the tested water sample. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=iron%20III%20cations" title="iron III cations">iron III cations</a>, <a href="https://publications.waset.org/abstracts/search?q=protein" title=" protein"> protein</a>, <a href="https://publications.waset.org/abstracts/search?q=sensor" title=" sensor"> sensor</a>, <a href="https://publications.waset.org/abstracts/search?q=thiocyanate" title=" thiocyanate"> thiocyanate</a>, <a href="https://publications.waset.org/abstracts/search?q=water" title=" water"> water</a> </p> <a href="https://publications.waset.org/abstracts/52322/protein-thiocyanate-composite-as-a-sensor-for-iron-iii-cations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52322.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">429</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5755</span> Wasteless Solid-Phase Method for Conversion of Iron Ores Contaminated with Silicon and Phosphorus Compounds</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=%D0%90.%20V.%20Panko">А. V. Panko</a>, <a href="https://publications.waset.org/abstracts/search?q=%D0%95.%20V.%20Ablets"> Е. V. Ablets</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20G.%20Kovzun"> I. G. Kovzun</a>, <a href="https://publications.waset.org/abstracts/search?q=%D0%9C.%20%D0%90.%20Ilyashov"> М. А. Ilyashov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Based upon generalized analysis of modern know-how in the sphere of processing, concentration and purification of iron-ore raw materials (IORM), in particular, the most widespread ferrioxide-silicate materials (FOSM), containing impurities of phosphorus and other elements compounds, noted special role of nano technological initiatives in improvement of such processes. Considered ideas of role of nano particles in processes of FOSM carbonization with subsequent direct reduction of ferric oxides contained in them to metal phase, as well as in processes of alkali treatment and separation of powered iron from phosphorus compounds. Using the obtained results the wasteless solid-phase processing, concentration and purification of IORM and FOSM from compounds of phosphorus, silicon and other impurities excelling known methods of direct iron reduction from iron ores and metallurgical slimes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=iron%20ores" title="iron ores">iron ores</a>, <a href="https://publications.waset.org/abstracts/search?q=solid-phase%20reduction" title=" solid-phase reduction"> solid-phase reduction</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoparticles%20in%20reduction%20and%20purification%20of%20iron%20from%20silicon%20and%20phosphorus" title=" nanoparticles in reduction and purification of iron from silicon and phosphorus"> nanoparticles in reduction and purification of iron from silicon and phosphorus</a>, <a href="https://publications.waset.org/abstracts/search?q=wasteless%20method%20of%20ores%20processing" title=" wasteless method of ores processing"> wasteless method of ores processing</a> </p> <a href="https://publications.waset.org/abstracts/3194/wasteless-solid-phase-method-for-conversion-of-iron-ores-contaminated-with-silicon-and-phosphorus-compounds" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3194.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">487</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5754</span> Removal of Iron (II) from Wastewater in Oil Field Using 3-(P-Methyl) Phenyl-5-Thionyl-1,2,4-Triazoline Assembled on Silver Nanoparticles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=E.%20M.%20S.%20Azzam">E. M. S. Azzam</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20A.%20Ahmed"> S. A. Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20H.%20Mohamed"> H. H. Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Adly"> M. A. Adly</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20A.%20M.%20Gad"> E. A. M. Gad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work we prepared 3-(p-methyl) phenyl-5-thionyl-1,2,4-triazoline (C1). The nanostructure of the prepared C1 compound was fabricated by assembling on silver nanoparticles. The UV and TEM analyses confirm the assembling of C1 compound on silver nanoparticles. The effect of C1 compound on the removal of Iron (II) from Iron contaminated samples and industrial wastewater samples (produced water from oil processing facility) were studied before and after their assembling on silver nanoparticles. The removal of Iron was studied at different concentrations of FeSO4 solution (5, 14 and 39 mg/l) and field sample concentration (661 mg/l). In addition, the removal of Iron (II) was investigated at different times. The Prepared compound and its nanostructure with AgNPs show highly efficient in removing the Iron ions. Quantum chemical descriptors using DFT was discussed. The output of the study pronounces that the C1 molecule can act as chelating agent for Iron (II). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=triazole%20derivatives" title="triazole derivatives">triazole derivatives</a>, <a href="https://publications.waset.org/abstracts/search?q=silver%20nanoparticles" title=" silver nanoparticles"> silver nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=iron%20%28II%29" title=" iron (II)"> iron (II)</a>, <a href="https://publications.waset.org/abstracts/search?q=oil%20field" title=" oil field"> oil field</a> </p> <a href="https://publications.waset.org/abstracts/93747/removal-of-iron-ii-from-wastewater-in-oil-field-using-3-p-methyl-phenyl-5-thionyl-124-triazoline-assembled-on-silver-nanoparticles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93747.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">657</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5753</span> Synthesis and Characterization of Iron Modified Geopolymer and Its Resistance against Chloride and Sulphate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Noor-ul-Amin">Noor-ul-Amin</a>, <a href="https://publications.waset.org/abstracts/search?q=Lubna%20Nawab"> Lubna Nawab</a>, <a href="https://publications.waset.org/abstracts/search?q=Sabiha%20Sultana"> Sabiha Sultana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Geopolymer with different silica to alumina ratio with iron have been synthesized using sodium silicate, aluminum, and iron salts as a source of silica, alumina and iron source, and sodium/potassium hydroxide as an alkaline medium. The iron source will be taken from iron (III) salts and laterite clay samples. Laterite has been used as a natural source of iron in modified geopolymer. The synthesized iron modified geopolymer was submitted to the different aggressive environment, including chloride and sulphate solutions in different concentration. Different experimental techniques, including XRF, XRD, and FTIR, were used to study the bonding nature and effect of aggressive environment on geopolymer. The major phases formed during geopolymerization are sodalite (Na₄Al₃Si₃O₁₂Cl), albite (NaAlSi₃O₈), hematite (Fe₂O₃), and chabazite as confirmed from the XRD results. The resulting geopolymer showed greater resistance to sulphate and chloride as compared to the normal geopolymer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=modified%20geopolymer" title="modified geopolymer">modified geopolymer</a>, <a href="https://publications.waset.org/abstracts/search?q=laterite" title=" laterite"> laterite</a>, <a href="https://publications.waset.org/abstracts/search?q=chloride" title=" chloride"> chloride</a>, <a href="https://publications.waset.org/abstracts/search?q=sulphate" title=" sulphate"> sulphate</a> </p> <a href="https://publications.waset.org/abstracts/130375/synthesis-and-characterization-of-iron-modified-geopolymer-and-its-resistance-against-chloride-and-sulphate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/130375.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">156</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5752</span> The Experimental Study on Reducing and Carbonizing Titanium-Containing Slag by Iron-Containing Coke</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yadong%20Liu">Yadong Liu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The experimental study on reduction carbonization of coke containing iron respectively with the particle size of <0.3mm, 0.3-0.6mm and 0.6-0.9mm and synthetic sea sand ore smelting reduction titanium-bearing slag as material were studied under the conditions of holding 6h at most at 1500℃. The effects of coke containing iron particle size and heat preservation time on the formation of TiC and the size of TiC crystal were studied by XRD, SEM and EDS. The results show that it is not good for the formation, concentration and growth of TiC crystal when the particle size of coke containing iron is too small or too large. The suitable particle size is 0.3~0.6mm. The heat preservation time of 2h basically ensures that all the component TiO2 in the slag are reduced and carbonized and converted to TiC. The size of TiC crystal will increase with the prolongation of heat preservation time. The thickness of the TiC layer can reach 20μm when the heat preservation time is 6h. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coke%20containing%20iron" title="coke containing iron">coke containing iron</a>, <a href="https://publications.waset.org/abstracts/search?q=formation%20and%20concentration%20and%20growth%20of%20TiC" title=" formation and concentration and growth of TiC"> formation and concentration and growth of TiC</a>, <a href="https://publications.waset.org/abstracts/search?q=reduction%20and%20carbonization" title=" reduction and carbonization"> reduction and carbonization</a>, <a href="https://publications.waset.org/abstracts/search?q=titanium-bearing%20slag" title=" titanium-bearing slag"> titanium-bearing slag</a> </p> <a href="https://publications.waset.org/abstracts/105177/the-experimental-study-on-reducing-and-carbonizing-titanium-containing-slag-by-iron-containing-coke" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105177.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">149</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5751</span> Impact of Heavy Metal Toxicity on Metabolic Changes in the Diazotrophic Cyanobacterium Anabaena PCC 7120 </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rishi%20Saxena">Rishi Saxena</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cyanobacteria is a photosynthetic prokaryote, and these obtain their energy through photosynthesis. In this paper, we studied the effect of iron on metabolic changes in the diazotrophic cyanobacterium Anabaena PCC 7120. Nowadays, metal contamination due to natural and anthropogenic sources is a global environment concern. Iron induced changes in growth, N2-fixation, CO2 fixation and photosynthetic activity were studied in a diazotrophic cyanobacterium Anabaena PCC 7120. Iron at 50 uM concentration supported the maximum growth, heterocyst frequency, CO2 fixation, photosystem I (PS I), photosystem II (PS II) and nitrogenase activities in the organism. Higher concentration of iron inhibited these processes. Chl a and PS II activities were more sensitive to iron than the protein and PS I activity. Here, it is also mentioned that heavy metal induced altered macromolecules metabolism and changes in the central dogma of life (DNA→ mRNA → Protein). And also recent advances have been made in understanding heavy metal-cyanobacteria interaction and their application for metal detoxification. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cyanobacterium%20anabaena%207120" title="cyanobacterium anabaena 7120">cyanobacterium anabaena 7120</a>, <a href="https://publications.waset.org/abstracts/search?q=nitrogen%20fixation" title=" nitrogen fixation"> nitrogen fixation</a>, <a href="https://publications.waset.org/abstracts/search?q=photosystem%20I%20%28PS%20I%29" title=" photosystem I (PS I)"> photosystem I (PS I)</a>, <a href="https://publications.waset.org/abstracts/search?q=photosystem%20II%20%28PS%20II%29" title=" photosystem II (PS II)"> photosystem II (PS II)</a> </p> <a href="https://publications.waset.org/abstracts/120954/impact-of-heavy-metal-toxicity-on-metabolic-changes-in-the-diazotrophic-cyanobacterium-anabaena-pcc-7120" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/120954.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">135</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5750</span> Potential of Mineral Composition Reconstruction for Monitoring the Performance of an Iron Ore Concentration Plant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Sadeghi">Maryam Sadeghi</a>, <a href="https://publications.waset.org/abstracts/search?q=Claude%20Bazin"> Claude Bazin</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Hodouin"> Daniel Hodouin</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20Perez%20Barnuevo"> Laura Perez Barnuevo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The performance of a separation process is usually evaluated using performance indices calculated from elemental assays readily available from the chemical analysis laboratory. However, the separation process performance is essentially related to the properties of the minerals that carry the elements and not those of the elements. Since elements or metals can be carried by valuable and gangue minerals in the ore and that each mineral responds differently to a mineral processing method, the use of only elemental assays could lead to erroneous or uncertain conclusions on the process performance. This paper discusses the advantages of using performance indices calculated from minerals content, such as minerals recovery, for process performance assessments. A method is presented that uses elemental assays to estimate the minerals content of the solids in various process streams. The method combines the stoichiometric composition of the minerals and constraints of mass conservation for the minerals through the concentration process to estimate the minerals content from elemental assays. The advantage of assessing a concentration process using mineral based performance indices is illustrated for an iron ore concentration circuit. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=data%20reconciliation" title="data reconciliation">data reconciliation</a>, <a href="https://publications.waset.org/abstracts/search?q=iron%20ore%20concentration" title=" iron ore concentration"> iron ore concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=mineral%20composition" title=" mineral composition"> mineral composition</a>, <a href="https://publications.waset.org/abstracts/search?q=process%20performance%20assessment" title=" process performance assessment"> process performance assessment</a> </p> <a href="https://publications.waset.org/abstracts/93580/potential-of-mineral-composition-reconstruction-for-monitoring-the-performance-of-an-iron-ore-concentration-plant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93580.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">218</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5749</span> Effect of Iron Contents on Rheological Properties of Syndiotactic Polypropylene/iron Composites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Naveed%20Ahmad">Naveed Ahmad</a>, <a href="https://publications.waset.org/abstracts/search?q=Farooq%20Ahmad"> Farooq Ahmad</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdul%20Aal"> Abdul Aal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effect of iron contents on the rheological behavior of sPP/iron composites in the melt phase was investigated using a series of syndiotactic polypropylene/iron (sPP/iron) composite samples. Using the Advanced Rheometric Expansion System, studies with small amplitude oscillatory shear were conducted (ARES). It was discovered that the plateau modulus rose along with the iron loading. Also it was found that both entanglement molecular weight and packing length decrease with increase in iron loading.. This finding demonstrates how iron content in polymer/iron composites affects chain parameters and dimensions, which in turn affects the entire chain dynamics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=plateau%20modulus" title="plateau modulus">plateau modulus</a>, <a href="https://publications.waset.org/abstracts/search?q=packing%20lenght" title=" packing lenght"> packing lenght</a>, <a href="https://publications.waset.org/abstracts/search?q=polymer%2Firon%20composites" title=" polymer/iron composites"> polymer/iron composites</a>, <a href="https://publications.waset.org/abstracts/search?q=rheology" title=" rheology"> rheology</a>, <a href="https://publications.waset.org/abstracts/search?q=entanglement%20molecular%20weight" title=" entanglement molecular weight"> entanglement molecular weight</a> </p> <a href="https://publications.waset.org/abstracts/163841/effect-of-iron-contents-on-rheological-properties-of-syndiotactic-polypropyleneiron-composites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163841.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">161</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5748</span> Prevalence and Determinants of Iron Deficiency Anaemia in Pregnant Xhosa Women </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Abiodun">A. Abiodun</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20George"> G. George</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Longo-Mbenza"> B. Longo-Mbenza</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Blanco-Blanco"> E. Blanco-Blanco</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: To determine the prevalence and determinants of iron-deficiency anaemia in pregnant Xhosa women practising geophagia. Methods: This cross-sectional study was conducted among pregnant Xhosa women from rural areas of Mthatha, South Africa, according to socio-demographic, geophagia, haematologic and iron metabolism profiles using univariate and multivariate analyses. Anaemia was defined by haemoglobin <11 g/dL and iron deficiency was defined by serum ferritin < 12 ug/L. Results: Out of 210 pregnant women (mean age =23±5.3 for geophagic and 25.6±5.3 for non-geophagic), 51.4% (n = 108) had iron deficiency anaemia (50.9% geophagic and 49.1% non-geophagic). After adjusting for confounders, only geophagia (OR=2.1 95% CI 1.1-4.2; P=0.029) and mean corpuscular haemoglobin concentration categories (< 30.5 g/dL with OR=16.6 95% CI 6.8-40.2; P < 0.0001; 30.5-31.5 g/dL with OR=2.9 95% CI 1.4-6.1; P=0.006; and ≥ 31.5 g/dL with OR=1) were identified as the most important significant and independent determinants of iron deficiency anaemia. Conclusion: The study results point to the potential harm geophagia can cause in pregnant women. The prevalence of iron deficiency anaemia is unacceptably high. Geophagic behaviour, low MCHC presented as particular risk factors of iron deficiency anaemia in this study. Education and counselling about appropriate diet during pregnancy and prevention of geophagic behaviour (and health consequences) are needed among pregnant Xhosa women. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=geophagia" title="geophagia">geophagia</a>, <a href="https://publications.waset.org/abstracts/search?q=pregnancy" title=" pregnancy"> pregnancy</a>, <a href="https://publications.waset.org/abstracts/search?q=iron%20deficiency%20anaemia" title=" iron deficiency anaemia"> iron deficiency anaemia</a>, <a href="https://publications.waset.org/abstracts/search?q=Xhosa" title=" Xhosa"> Xhosa</a> </p> <a href="https://publications.waset.org/abstracts/62093/prevalence-and-determinants-of-iron-deficiency-anaemia-in-pregnant-xhosa-women" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62093.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">377</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5747</span> Detection of Epinephrine in Chicken Serum at Iron Oxide Screen Print Modified Electrode</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oluwole%20Opeyemi%20Dina">Oluwole Opeyemi Dina</a>, <a href="https://publications.waset.org/abstracts/search?q=Saheed%20E.%20Elugoke"> Saheed E. Elugoke</a>, <a href="https://publications.waset.org/abstracts/search?q=Peter%20Olutope%20Fayemi"> Peter Olutope Fayemi</a>, <a href="https://publications.waset.org/abstracts/search?q=Omolola%20E.%20Fayemi"> Omolola E. Fayemi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study presents the detection of epinephrine (EP) at Fe₃O₄ modified screen printed silver electrode (SPSE). The iron oxide (Fe₃O₄) nanoparticles were characterized with UV-visible spectroscopy, Fourier-Transform infrared spectroscopy (FT-IR) and Scanning electron microscopy (SEM) prior to the modification of the SPSE. The EP oxidation peak current (Iap) increased with an increase in the concentration of EP as well as the scan rate (from 25 - 400 mVs⁻¹). Using cyclic voltammetry (CV), the relationship between Iap and EP concentration was linear over a range of 3.8 -118.9 µM and 118.9-175 µM with a detection limit of 41.99 µM and 83.16 µM, respectively. Selective detection of EP in the presence of ascorbic acid was also achieved at this electrode. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=screenprint%20electrode" title="screenprint electrode">screenprint electrode</a>, <a href="https://publications.waset.org/abstracts/search?q=iron%20oxide%20nanoparticle" title=" iron oxide nanoparticle"> iron oxide nanoparticle</a>, <a href="https://publications.waset.org/abstracts/search?q=epinephrine" title=" epinephrine"> epinephrine</a>, <a href="https://publications.waset.org/abstracts/search?q=serum" title=" serum"> serum</a>, <a href="https://publications.waset.org/abstracts/search?q=cyclic%20voltametry" title=" cyclic voltametry"> cyclic voltametry</a> </p> <a href="https://publications.waset.org/abstracts/144358/detection-of-epinephrine-in-chicken-serum-at-iron-oxide-screen-print-modified-electrode" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144358.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">165</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5746</span> Adsorption of Reactive Dye Using Entrapped nZVI</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=P.%20Gomathi%20Priya">P. Gomathi Priya</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20E.%20Thenmozhi"> M. E. Thenmozhi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Iron nanoparticles were used to cleanup effluents. This paper involves synthesis of iron nanoparticles chemically by sodium borohydride reduction of ammonium ferrous sulfate solution (FAS). Iron oxide nanoparticles have lesser efficiency of adsorption than Zero Valent Iron nanoparticles (nZVI). Glucosamine acts as a stabilizing agent and chelating agent to prevent Iron nanoparticles from oxidation. nZVI particles were characterized using Scanning Electron Microscopy (SEM). Thus, the synthesized nZVI was subjected to entrapment in biopolymer, viz. barium (Ba)-alginate beads. The beads were characterized using SEM. Batch dye degradation studies were conducted using Reactive black Water soluble Nontoxic Natural substances (WNN) dye which is one of the most hazardous dyes used in textile industries. Effect of contact time, effect of pH, initial dye concentration, adsorbent dosage, isotherm and kinetic studies were carried out. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ammonium%20ferrous%20sulfate%20solution" title="ammonium ferrous sulfate solution">ammonium ferrous sulfate solution</a>, <a href="https://publications.waset.org/abstracts/search?q=barium" title=" barium"> barium</a>, <a href="https://publications.waset.org/abstracts/search?q=alginate%20beads" title=" alginate beads"> alginate beads</a>, <a href="https://publications.waset.org/abstracts/search?q=reactive%20black%20WNN%20dye" title=" reactive black WNN dye"> reactive black WNN dye</a>, <a href="https://publications.waset.org/abstracts/search?q=zero%20valent%20iron%20nanoparticles" title=" zero valent iron nanoparticles"> zero valent iron nanoparticles</a> </p> <a href="https://publications.waset.org/abstracts/85605/adsorption-of-reactive-dye-using-entrapped-nzvi" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85605.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">331</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5745</span> Determination of Iron, Zinc, Copper, Cadmium and Lead in Different Cigarette Brands in Yemen by Atomic Absorption Spectrometry</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ali%20A.%20Mutair">Ali A. Mutair</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The concentration levels of iron (Fe), copper (Cu), zinc (Zn), cadmium (Cd) and lead (Pb) in different cigarette brands commonly produced and sold in Yemen were determined. Convenient sample treatment for cigarette tobacco of freshly opened packs was achieved by a sample preparation method based on dry digestion, and the concentrations of the analysed metals were measured by Flame Atomic Absorption Spectrometry (FAAS). The mean values obtained for Fe, Zn, Cu, Cd, and Pb in different Yemeni cigarette tobacco were 311, 52.2, 10.11, 1.71 and 4.06 µg/g dry weight, respectively. There is no more significant difference among cigarette brands tested. It was found that Fe was at the highest concentration, followed by Zn, Cu, Pb and Cd. The average relative standard deviation (RSD) ranged from 1.77% to 19.34%. The accuracy and precision of the results were checked by blank and recovery tests. The results show that Yemeni cigarettes contain heavy metal concentration levels that are similar to those in foreign cigarette brands reported by other studies in the worldwide. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=iron" title="iron">iron</a>, <a href="https://publications.waset.org/abstracts/search?q=zinc" title=" zinc"> zinc</a>, <a href="https://publications.waset.org/abstracts/search?q=copper" title=" copper"> copper</a>, <a href="https://publications.waset.org/abstracts/search?q=lead" title=" lead"> lead</a>, <a href="https://publications.waset.org/abstracts/search?q=cadmium" title=" cadmium"> cadmium</a>, <a href="https://publications.waset.org/abstracts/search?q=tobacco" title=" tobacco"> tobacco</a>, <a href="https://publications.waset.org/abstracts/search?q=Yemeni%20cigarette%20brands" title=" Yemeni cigarette brands"> Yemeni cigarette brands</a>, <a href="https://publications.waset.org/abstracts/search?q=atomic%20absorption%20spectrometry" title=" atomic absorption spectrometry"> atomic absorption spectrometry</a> </p> <a href="https://publications.waset.org/abstracts/4809/determination-of-iron-zinc-copper-cadmium-and-lead-in-different-cigarette-brands-in-yemen-by-atomic-absorption-spectrometry" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4809.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">359</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5744</span> Gradations in Concentration of Heavy and Mineral Elements with Distance and Depth of Soil in the Vicinity of Auto Mechanic Workshops in Sabon Gari, Kaduna State, Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=E.%20D.%20Paul">E. D. Paul</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Otanwa"> H. Otanwa</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20F.%20Paul"> O. F. Paul</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20J.%20Salifu"> A. J. Salifu</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20E.%20Toryila"> J. E. Toryila</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20E.%20Gimba"> C. E. Gimba</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The concentration levels of six heavy metals (Cd, Cr, Fe, Ni, Pb, and Zn) and two mineral elements (Ca and Mg) were determined in soil samples collected from the vicinity of two auto mechanic workshops in Sabon-Gari, Kaduna state, Nigeria, using Atomic Absorption Spectrometry (AAS), in order to compare the gradation of their concentrations with distance and depth of soil from the workshop sites. At site 1, concentrations of lead, chromium, iron, and zinc were generally found to be above the World Health Organization limits, while those of Nickel and Cadmium fell within the limits. Iron had the highest concentration with a range of 176.274 ppm to 489.127 ppm at depths of 5 cm to 15 cm and a distance range of 5 m to 15 m, while the concentration of cadmium was least with a range of 0.001 ppm to 0.008 ppm at similar depth and distance ranges. In addition, there was more of calcium (11.521 ppm to 121.709 ppm), in all the samples, than magnesium (11.293 ppm to 21.635 ppm). Similar results were obtained for site II. The concentrations of all the metals analyzed showed a downward gradient with an increase in depth and distance from both workshop sites except for iron and zinc at site 2. The immediate and remote implications of these findings on the biota are discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=AAS" title="AAS">AAS</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20metals" title=" heavy metals"> heavy metals</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanic%20workshops" title=" mechanic workshops"> mechanic workshops</a>, <a href="https://publications.waset.org/abstracts/search?q=soil" title=" soil"> soil</a>, <a href="https://publications.waset.org/abstracts/search?q=variation" title=" variation"> variation</a> </p> <a href="https://publications.waset.org/abstracts/23160/gradations-in-concentration-of-heavy-and-mineral-elements-with-distance-and-depth-of-soil-in-the-vicinity-of-auto-mechanic-workshops-in-sabon-gari-kaduna-state-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23160.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">494</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5743</span> Hydrometallurgical Treatment of Abu Ghalaga Ilmenite Ore</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=I.%20A.%20Ibrahim">I. A. Ibrahim</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20A.%20Elbarbary"> T. A. Elbarbary</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Abdelaty"> N. Abdelaty</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20T.%20Kandil"> A. T. Kandil</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20K.%20Farhan"> H. K. Farhan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present work aims to study the leaching of Abu Ghalaga ilmenite ore by hydrochloric acid and simultaneous reduction by iron powder method to dissolve its titanium and iron contents. Iron content in the produced liquor is separated by solvent extraction using TBP as a solvent. All parameters affecting the efficiency of the dissolution process were separately studied including the acid concentration, solid/liquid ratio which controls the ilmenite/acid molar ratio, temperature, time and grain size. The optimum conditions at which maximum leaching occur are 30% HCl acid with a solid/liquid ratio of 1/30 at 80 °C for 4 h using ore ground to -350 mesh size. At the same time, all parameters affecting on solvent extraction and stripping of iron content from the produced liquor were studied. Results show that the best extraction is at solvent/solution 1/1 by shaking at 240 RPM for 45 minutes at 30 °C whereas best striping of iron at H₂O/solvent 2/1. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ilmenite%20ore" title="ilmenite ore">ilmenite ore</a>, <a href="https://publications.waset.org/abstracts/search?q=leaching" title=" leaching"> leaching</a>, <a href="https://publications.waset.org/abstracts/search?q=titanium%20solvent%20extraction" title=" titanium solvent extraction"> titanium solvent extraction</a>, <a href="https://publications.waset.org/abstracts/search?q=Abu%20Ghalaga%20ilmenite%20ore" title=" Abu Ghalaga ilmenite ore"> Abu Ghalaga ilmenite ore</a> </p> <a href="https://publications.waset.org/abstracts/76625/hydrometallurgical-treatment-of-abu-ghalaga-ilmenite-ore" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/76625.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">290</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5742</span> Microbial Effects of Iron Elution from Hematite into Seawater Mediated via Dissolved Organic Matter</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Apichaya%20Aneksampant">Apichaya Aneksampant</a>, <a href="https://publications.waset.org/abstracts/search?q=Xuefei%20Tu"> Xuefei Tu</a>, <a href="https://publications.waset.org/abstracts/search?q=Masami%20Fukushima"> Masami Fukushima</a>, <a href="https://publications.waset.org/abstracts/search?q=Mitsuo%20Yamamoto"> Mitsuo Yamamoto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The restoration of seaweed beds recovery has been developed using a fertilization technique for supplying dissolved iron to barren coastal areas. The fertilizer is composed of iron oxides as a source of iron and compost as humic substance (HS) source, which can serve as chelator of iron to stabilize the dissolved species under oxic seawater condition. However, elution mechanisms of iron from iron oxide surfaces have not sufficiently elucidated. In particular, roles of microbial activities in the elution of iron from the fertilizer are not sufficiently understood. In the present study, a fertilizer (iron oxide/compost = 1/1, v/v) was incubated in a water tank at Mashike coast, Hokkaido Japan. Microorganisms in the 6-month fertilizer were isolated and identified as Exiguobacterium oxidotolerans sp. (T-2-2). The identified bacteria were inoculated to perform iron elution test in a postgate B medium, prepared in artificial seawater. Hematite was used as a model iron oxide and anthraquinone-2,7-disolfonate (AQDS) as a model for HSs. The elution test performed in presence and absence of bacteria inoculation. ICP-AES was used to analyze total iron and a colorimetric technique using ferrozine employed for the determination of ferrous ion. During the incubation period, sample contained hematite and T-2-2 in both presence and absence of AQDS continuously showed the iron elution and reached at the highest concentration after 9 days of incubation and then slightly decrease to stabilize within 20 days. Comparison to the sample without T-2-2, trace amount of iron was observed, suggesting that iron elution to seawater can be attributed to bacterial activities. The levels of total organic carbon (TOC) in the culture solution with hematite decreased. This may be to the adsorption of organic compound, AQDS, to hematite surfaces. The decrease in UV-vis absorption of AQDS in the culture solution also support the results of TOC that AQDS was adsorbed to hematite surfaces. AQDS can enhance the iron elution, while the adsorption of organic matter suppresses the iron elution from hematite. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anthraquinone-2" title="anthraquinone-2">anthraquinone-2</a>, <a href="https://publications.waset.org/abstracts/search?q=7-disolfonate" title=" 7-disolfonate"> 7-disolfonate</a>, <a href="https://publications.waset.org/abstracts/search?q=barren%20ground" title=" barren ground"> barren ground</a>, <a href="https://publications.waset.org/abstracts/search?q=E.oxidotolerans%20sp." title=" E.oxidotolerans sp."> E.oxidotolerans sp.</a>, <a href="https://publications.waset.org/abstracts/search?q=hematite" title=" hematite"> hematite</a>, <a href="https://publications.waset.org/abstracts/search?q=humic%20substances" title=" humic substances"> humic substances</a>, <a href="https://publications.waset.org/abstracts/search?q=iron%20elution" title=" iron elution"> iron elution</a> </p> <a href="https://publications.waset.org/abstracts/35230/microbial-effects-of-iron-elution-from-hematite-into-seawater-mediated-via-dissolved-organic-matter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35230.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">379</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5741</span> Influence of Iron Ore Mineralogy on Cluster Formation inside the Shaft Furnace</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Bahgat">M. Bahgat</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20A.%20Hanafy"> H. A. Hanafy</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Lakdawala"> S. Lakdawala</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Clustering phenomenon of pellets was observed frequently in shaft processes operating at higher temperatures. Clustering is a result of the growth of fibrous iron precipitates (iron whiskers) that become hooked to each other and finally become crystallized during the initial stages of metallization. If the pellet clustering is pronounced, sometimes leads to blocking inside the furnace and forced shutdown takes place. This work clarifies further the relation between metallic iron whisker growth and iron ore mineralogy. Various pellet sizes (6 – 12.0 & +12.0 mm) from three different ores (A, B & C) were (completely and partially) reduced at 985 <sup>o</sup>C with H<sub>2</sub>/CO gas mixture using thermos-gravimetric technique. It was found that reducibility increases by decreasing the iron ore pellet’s size. Ore (A) has the highest reducibility than ore (B) and ore (C). Increasing the iron ore pellet’s size leads to increase the probability of metallic iron whisker formation. Ore (A) has the highest tendency for metallic iron whisker formation than ore (B) and ore (C). The reduction reactions for all iron ores A, B and C are mainly controlled by diffusion reaction mechanism. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=shaft%20furnace" title="shaft furnace">shaft furnace</a>, <a href="https://publications.waset.org/abstracts/search?q=cluster" title=" cluster"> cluster</a>, <a href="https://publications.waset.org/abstracts/search?q=metallic%20iron%20whisker" title=" metallic iron whisker"> metallic iron whisker</a>, <a href="https://publications.waset.org/abstracts/search?q=mineralogy" title=" mineralogy"> mineralogy</a>, <a href="https://publications.waset.org/abstracts/search?q=ferrous%20metallurgy" title=" ferrous metallurgy"> ferrous metallurgy</a> </p> <a href="https://publications.waset.org/abstracts/42409/influence-of-iron-ore-mineralogy-on-cluster-formation-inside-the-shaft-furnace" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42409.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">470</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5740</span> Synthesis of Iron-Modified Montmorillonite as Filler for Electrospun Nanocomposite Fibers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khryslyn%20Ara%C3%B1o">Khryslyn Araño</a>, <a href="https://publications.waset.org/abstracts/search?q=Dela%20Cruz"> Dela Cruz</a>, <a href="https://publications.waset.org/abstracts/search?q=Michael%20Leo"> Michael Leo</a>, <a href="https://publications.waset.org/abstracts/search?q=Dela%20Pena"> Dela Pena</a>, <a href="https://publications.waset.org/abstracts/search?q=Eden%20May"> Eden May</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Joy%20Diaz"> Leslie Joy Diaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Montmorillonite (MMT) is a very abundant clay mineral and is versatile such that it can be chemically or physically altered by changing the ions between the sheets of its layered structure. This clay mineral can be prepared into functional nanoparticles that can be used as fillers in other nanomaterials such as nanofibers to achieve special properties. In this study, two types of iron-modified MMT, Iron-MMT (FeMMT) and Zero Valent Iron-MMT (ZVIMMT) were synthesized via ion exchange technique. The modified clay was incorporated in polymer nanofibers which were produced using a process called electrospinning. ICP analysis confirmed that clay modification was successful where there is an observed decrease in the concentration of Na and an increase in the concentration of Fe after ion exchange. XRD analysis also confirmed that modification took place because of the changes in the d-spacing of Na-MMT from 11.5 Å to 13.6 Å and 12.6 Å after synthesis of FeMMT and ZVIMMT, respectively. SEM images of the electrospun nanofibers revealed that the ZVIMMT-filled fibers have a smaller average diameter than the FeMMT-filled fibers because of the lower resistance of the suspensions of the former to the elongation force from the applied electric field. The resistance to the electric field was measured by getting the bulk voltage of the suspensions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrospinning" title="electrospinning">electrospinning</a>, <a href="https://publications.waset.org/abstracts/search?q=nanofibers" title=" nanofibers"> nanofibers</a>, <a href="https://publications.waset.org/abstracts/search?q=montmorillonite" title=" montmorillonite"> montmorillonite</a>, <a href="https://publications.waset.org/abstracts/search?q=materials%20science" title=" materials science"> materials science</a> </p> <a href="https://publications.waset.org/abstracts/8295/synthesis-of-iron-modified-montmorillonite-as-filler-for-electrospun-nanocomposite-fibers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8295.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">345</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5739</span> Investigation of the Fading Time Effects on Microstructure and Mechanical Properties in Vermicular Cast Iron</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mehmet%20Ekici">Mehmet Ekici</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the fading time affecting the mechanical properties and microstructures of vermicular cast iron were studied. Pig iron and steel scrap weighing about 12 kg were charged into the high-frequency induction furnace crucible and completely melted for production of vermicular cast iron. The slag was skimmed using a common flux. After fading time was set at 1. 3 and 5 minutes. In this way, three vermicular cast iron was produced that same composition but different phase structures. The microstructure of specimens was investigated, and uni-axial tensile test and the Charpy impact test were performed, and their micro-hardness measurements were done in order to characterize the mechanical behaviours of vermicular cast iron. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=vermicular%20cast%20iron" title="vermicular cast iron">vermicular cast iron</a>, <a href="https://publications.waset.org/abstracts/search?q=fading%20time" title=" fading time"> fading time</a>, <a href="https://publications.waset.org/abstracts/search?q=hardness" title=" hardness"> hardness</a>, <a href="https://publications.waset.org/abstracts/search?q=tensile%20test%20and%20impact%20test" title=" tensile test and impact test"> tensile test and impact test</a> </p> <a href="https://publications.waset.org/abstracts/61560/investigation-of-the-fading-time-effects-on-microstructure-and-mechanical-properties-in-vermicular-cast-iron" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61560.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">348</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5738</span> Effect of Dissolved Oxygen Concentration on Iron Dissolution by Liquid Sodium</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sami%20Meddeb">Sami Meddeb</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20L%20Giorgi"> M. L Giorgi</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20L.%20Courouau"> J. L. Courouau</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work presents the progress of studies aiming to guarantee the lifetime of 316L(N) steel in a sodium-cooled fast reactor by determining the elementary corrosion mechanism, which is akin to an accelerated dissolution by dissolved oxygen. The mechanism involving iron, the main element of steel, is particularly studied in detail, from the viewpoint of the data available in the literature, the modeling of the various mechanisms hypothesized. Experiments performed in the CORRONa facility at controlled temperature and dissolved oxygen content are used to test both literature data and hypotheses. Current tests, performed at various temperatures and oxygen content, focus on specifying the chemical reaction at play, determining its free enthalpy, as well as kinetics rate constants. Specific test configuration allows measuring the reaction kinetics and the chemical equilibrium state in the same test. In the current state of progress of these tests, the dissolution of iron accelerated by dissolved oxygen appears as directly related to a chemical complexation reaction of mixed iron-sodium oxide (Na-Fe-O), a compound that is soluble in the liquid sodium solution. Results obtained demonstrate the presence in the solution of this corrosion product, whose kinetics is the limiting step under the conditions of the test. This compound, the object of hypotheses dating back more than 50 years, is predominant in solution compared to atomic iron, presumably even for the low oxygen concentration, and cannot be neglected for the long-term corrosion modeling of any heat transfer system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=corrosion" title="corrosion">corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=sodium%20fast%20reactors" title=" sodium fast reactors"> sodium fast reactors</a>, <a href="https://publications.waset.org/abstracts/search?q=iron" title=" iron"> iron</a>, <a href="https://publications.waset.org/abstracts/search?q=oxygen" title=" oxygen"> oxygen</a> </p> <a href="https://publications.waset.org/abstracts/134362/effect-of-dissolved-oxygen-concentration-on-iron-dissolution-by-liquid-sodium" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134362.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">179</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5737</span> Bioavailability of Iron in Some Selected Fiji Foods using In vitro Technique</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Poonam%20Singh">Poonam Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Surendra%20Prasad"> Surendra Prasad</a>, <a href="https://publications.waset.org/abstracts/search?q=William%20Aalbersberg"> William Aalbersberg</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Iron the most essential trace element in human nutrition. Its deficiency has serious health consequences and is a major public health threat worldwide. The common deficiencies in Fiji population reported are of Fe, Ca and Zn. It has also been reported that 40% of women in Fiji are iron deficient. Therefore, we have been studying the bioavailability of iron in commonly consumed Fiji foods. To study the bioavailability it is essential to assess the iron contents in raw foods. This paper reports the iron contents and its bioavailability in commonly consumed foods by multicultural population of Fiji. The food samples (rice, breads, wheat flour and breakfast cereals) were analyzed by atomic absorption spectrophotometer for total iron and its bioavailability. The white rice had the lowest total iron 0.10±0.03 mg/100g but had high bioavailability of 160.60±0.03%. The brown rice had 0.20±0.03 mg/100g total iron content but 85.00±0.03% bioavailable. The white and brown breads showed the highest iron bioavailability as 428.30±0.11 and 269.35 ±0.02%, respectively. The Weetabix and the rolled oats had the iron contents 2.89±0.27 and 1.24.±0.03 mg/100g with bioavailability of 14.19±0.04 and 12.10±0.03%, respectively. The most commonly consumed normal wheat flour had 0.65±0.00 mg/100g iron while the whole meal and the Roti flours had 2.35±0.20 and 0.62±0.17 mg/100g iron showing bioavailability of 55.38±0.05, 16.67±0.08 and 12.90±0.00%, respectively. The low bioavailability of iron in certain foods may be due to the presence of phytates/oxalates, processing/storage conditions, cooking method or interaction with other minerals present in the food samples. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=iron" title="iron">iron</a>, <a href="https://publications.waset.org/abstracts/search?q=bioavailability" title=" bioavailability"> bioavailability</a>, <a href="https://publications.waset.org/abstracts/search?q=Fiji%20foods" title=" Fiji foods"> Fiji foods</a>, <a href="https://publications.waset.org/abstracts/search?q=in%20vitro%20technique" title=" in vitro technique"> in vitro technique</a>, <a href="https://publications.waset.org/abstracts/search?q=human%20nutrition" title=" human nutrition"> human nutrition</a> </p> <a href="https://publications.waset.org/abstracts/27271/bioavailability-of-iron-in-some-selected-fiji-foods-using-in-vitro-technique" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27271.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">529</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5736</span> The Promising Way to Minimize the Negative Effects of Iron Fortification</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Juffrie">M. Juffrie</a>, <a href="https://publications.waset.org/abstracts/search?q=Siti%20Helmyati"> Siti Helmyati</a>, <a href="https://publications.waset.org/abstracts/search?q=Toto%20Sudargo"> Toto Sudargo</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20J.%20Istiti%20Kandarina"> B. J. Istiti Kandarina</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Iron fortification is one potential way to overcome anemia but it can cause gut microbiota imbalance. Probiotics addition can increase the growth of good gut bacteria while prebiotics can support the probiotics growth. Tempeh is rich in nutrients required for hemoglobin synthesis, such as protein, vitamin B12, vitamin C, zinc, iron and copper. Objective: To know the efficacy of fermented tempeh extract fortified with iron and synbiotic in maintain gut microbiota balance. Methods: Fermented synbiotic tempeh extract was made using Lactobacillus plantarum Dad13 and Fructo-oligosaccharides. A total of 32 anemic Wistar rats underwent the iron repletion phase then divided into 4 groups, given: 1) Fermented synbiotic tempeh extract with 50 ppm Fe/NaFeEDTA (Na), 2) Fermented synbiotic tempeh extract with 50 ppm Fe/FeSO4 (Fe), 3) Fermented synbiotic tempeh extract (St), and 4) not receive any interventions (Co). Rats were feed AIN-93 free Fe during intervention. Gut microbiota was measured with culture technique using selective media agar while hemoglobin concentration (Hb) was measured with photometric method before and after intervention. Results: There were significant increase in Hb after intervention in Na, Fe, and St, 6.85 to 11.80; 6.41 to 11.48 and 6.47 to 11.03 mg/dL, respectively (p <0.05). Co did not show increase in Hb (6.40 vs. 6.28 mg/dL). Lactobacilli increased in all groups while both of Bifidobacteria increased and E. coli decreased only in Na and St groups. Conclusion: Iron fortification of fermented synbiotic tempeh extract can increase hemoglobin concentrations in anemic animal, increase Lactobacilli and decrease E. coli. It can be an alternative solution to conduct iron fortification without deteriorate the gut microbiota. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tempeh" title="tempeh">tempeh</a>, <a href="https://publications.waset.org/abstracts/search?q=synbiotic" title=" synbiotic"> synbiotic</a>, <a href="https://publications.waset.org/abstracts/search?q=iron" title=" iron"> iron</a>, <a href="https://publications.waset.org/abstracts/search?q=haemoglobin" title=" haemoglobin"> haemoglobin</a>, <a href="https://publications.waset.org/abstracts/search?q=gut%20microbiota" title=" gut microbiota"> gut microbiota</a> </p> <a href="https://publications.waset.org/abstracts/16447/the-promising-way-to-minimize-the-negative-effects-of-iron-fortification" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16447.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">457</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5735</span> Double Fortified Salt-An Effective Measure to Prevent Micronutrient Deficiencies in Indian Pregnant Women</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kejal%20Joshi%20Reddy">Kejal Joshi Reddy</a>, <a href="https://publications.waset.org/abstracts/search?q=Sirimavo%20Nair"> Sirimavo Nair</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Micronutrient malnutrition affects pregnant women and children extremely with reference to growth manifestations in gestation as well as after birth. Early fetal development affected by iodine and iron deficiency leads to poor life quality. Various researchers have found interesting interrelations between iron and iodine. A few studies on impact assessment of DFS supplementation during pregnancy have been reported in India. Aim To provide meaningful contribution by assessing the efficacy of DFS supplementation on iodine and iron status of pregnant women. Design An interventional study. Setting A semi government hospital of urban Vadodara. Subjects Pregnant women (n=150) enrolled during first trimester (< 12 weeks) and followed up till the end of gestation, n=75 were divided in experimental (DFS supplemented) and control (Non supplemented) group. Results Impact on iron and iodine status was assessed by Hb concentration and UIE respectively. Mean Hb improved significantly (p < 0.001) (+0.42 g/dl) in experimental group and reduced non significantly (-0.20 g/dl) in control group at the end, since DFS provided additional 93 mg of iron within 6 months. Median UIE improved non significantly (278.6 to 299.01µg/L) in experimental group and decreased significantly (p < 0.05) (376.59 to 288.66 µg/L) in control group. Conclusion DFS could improve iron and iodine status of experimental group compared to control group. It is an effective measure to control two essential micronutrient deficiencies together. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=DFS%20supplementation" title="DFS supplementation">DFS supplementation</a>, <a href="https://publications.waset.org/abstracts/search?q=anemia" title=" anemia"> anemia</a>, <a href="https://publications.waset.org/abstracts/search?q=pregnancy" title=" pregnancy"> pregnancy</a>, <a href="https://publications.waset.org/abstracts/search?q=iodine%20deficiency" title=" iodine deficiency"> iodine deficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=iron" title=" iron"> iron</a> </p> <a href="https://publications.waset.org/abstracts/29856/double-fortified-salt-an-effective-measure-to-prevent-micronutrient-deficiencies-in-indian-pregnant-women" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29856.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">470</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5734</span> Use of Acid Mine Drainage as a Source of Iron to Initiate the Solar Photo-Fenton Treatment of Municipal Wastewater: Circular Economy Effect</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tooba%20Aslam">Tooba Aslam</a>, <a href="https://publications.waset.org/abstracts/search?q=Efthalia%20Chatzisymeon"> Efthalia Chatzisymeon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Untreated Municipal Wastewater (MWW) is renowned as the utmost harmful pollution caused to environmental water due to the high presence of nutrients and organic contaminants. Removal of Chemical Oxygen Demand (COD) from synthetic as well as municipal wastewater is investigated by using acid mine drainage as a source of iron to initiate the solar photo-Fenton treatment of municipal wastewater. In this study, Acid Mine Drainage (AMD) and different minerals enriched in iron, such as goethite, hematite, magnetite, and magnesite, have been used as the source of iron to initiate the photo-Fenton process. Co-treatment of real municipal wastewater and acid mine drainage /minerals is widely examined. The effects of different parameters such as minerals recovery from AMD, AMD as a source of iron, H₂O₂ concentration, and COD concentrations on the COD percentage removal of the process are studied. The results show that, out of all the four minerals, only hematite (1g/L) could remove 30% of the pollutants at about 100 minutes and 1000 ppm of H₂O₂. The addition of AMD as a source of iron is performed and compared with both synthetic as well as real wastewater from South Africa under the same conditions, i.e., 1000 ppm of H₂O₂, ambient temperature, 2.8 pH, and solar simulator. In the case of synthetic wastewater, the maximum removal (56%) is achieved with 50 ppm of iron (AMD source) at 160 minutes. On the other hand, in real wastewater, the removal efficiency is 99% with 30 ppm of iron at 90 minutes and 96% with 50 ppm of iron at 120 minutes. In conclusion, overall, the co-treatment of AMD and MWW by solar photo-Fenton treatment appears to be an effective and promising method to remove organic materials from Municipal wastewater. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=municipal%20wastewater%20treatment" title="municipal wastewater treatment">municipal wastewater treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=acid%20mine%20drainage" title=" acid mine drainage"> acid mine drainage</a>, <a href="https://publications.waset.org/abstracts/search?q=co-treatment" title=" co-treatment"> co-treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=COD%20removal" title=" COD removal"> COD removal</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20photo-Fenton" title=" solar photo-Fenton"> solar photo-Fenton</a>, <a href="https://publications.waset.org/abstracts/search?q=circular%20economy" title=" circular economy"> circular economy</a> </p> <a href="https://publications.waset.org/abstracts/161244/use-of-acid-mine-drainage-as-a-source-of-iron-to-initiate-the-solar-photo-fenton-treatment-of-municipal-wastewater-circular-economy-effect" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161244.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">88</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5733</span> Box-Behnken Design for the Biosorption of Cationic Dye from Aqueous Solution Using a Zero-Valent Iron Nano Algal Composite</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=V.%20Sivasubramanian">V. Sivasubramanian</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Jerold"> M. Jerold</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The advancement of adsorption is the development of nano-biocomposite for the sorption dyes and heavy metal ions. In fact, Nanoscale zerovalent iron (NZVI) is cost-effective reducing agent and a most reliable biosorbent for the dye biosorption. In this study, nano zero valent iron Sargassum swartzii (nZVI-SS) biocomposite, a novel marine algal based biosorbent, was used for the removal of simulated crystal violet (CV) in batch mode of operation. The Box-Behnen design (BBD) experimental results revealed the biosoprtion was maximum at pH 7.5, biosorbent dosage 0.1 g/L and initial CV concentration of 100 mg/L. Therefore, the result implies that nZVI-SS biocomposite is a cheap and most promising biosorbent for the removal of CV from wastewater. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=algae" title="algae">algae</a>, <a href="https://publications.waset.org/abstracts/search?q=biosorption" title=" biosorption"> biosorption</a>, <a href="https://publications.waset.org/abstracts/search?q=zero-valent" title=" zero-valent"> zero-valent</a>, <a href="https://publications.waset.org/abstracts/search?q=dye" title=" dye"> dye</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20water" title=" waste water"> waste water</a> </p> <a href="https://publications.waset.org/abstracts/78853/box-behnken-design-for-the-biosorption-of-cationic-dye-from-aqueous-solution-using-a-zero-valent-iron-nano-algal-composite" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/78853.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">248</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5732</span> Synthesis of Bimetallic Fe/Cu Nanoparticles with Different Copper Loading Ratios</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=May%20Thant%20Zin">May Thant Zin</a>, <a href="https://publications.waset.org/abstracts/search?q=Josephine%20Borja"> Josephine Borja</a>, <a href="https://publications.waset.org/abstracts/search?q=Hirofumi%20Hinode"> Hirofumi Hinode</a>, <a href="https://publications.waset.org/abstracts/search?q=Winarto%20Kurniawan"> Winarto Kurniawan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nanotechnology has multiple and enormous advantages for all application. Therefore, this research is carried out to synthesize and characterize bimetallic iron with copper nano-particles. After synthesizing nano zero valent iron by reduction of ferric chloride by sodium borohydride under nitrogen purging environment, bimetallic iron with copper nanoparticles are synthesized by varying different loads of copper chloride. Due to different standard potential (E0) values of copper and iron, copper is coupled with iron at (Cu to Fe ratio of 1:5, 1:6.7, 1:10, 1:20). It is found that the resulted bimetallic Fe/Cu nanoparticles are composing phases of iron and copper. According to the diffraction patterns indicating the state of chemical combination of the bimetallic nanoparticles, the particles are well-combined and crystalline sizes are less than 1000 Ao (or 100 nm). Specifically, particle sizes of synthesized bimetallic Fe/Cu nanoparticles are ranging from 44.583 nm to 85.149 nm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=" title=""></a> </p> <a href="https://publications.waset.org/abstracts/3276/synthesis-of-bimetallic-fecu-nanoparticles-with-different-copper-loading-ratios" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3276.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">444</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5731</span> Utilization of Sorghum and White Bean Flour for the Production of Gluten Free and Iron Rich Cookies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tahra%20Elobeid">Tahra Elobeid</a>, <a href="https://publications.waset.org/abstracts/search?q=Emmerich%20Berghofer"> Emmerich Berghofer</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study is to find innovative approaches for the production of iron rich foods using natural iron sources. The vehicle used for fortification was sorghum whereas the iron fortificant was white bean. Fortified sorghum cookies were produced from five different mixtures; iron content, iron bioavailability, cookie texture and acceptability were measured. Cookies were prepared from the three fortified flours; 90% sorghum + 10% white bean (S9WB1), 75% sorghum + 25% white bean (S3WB1), 50% sorghum + 50% white bean (S1WB1) and 100% sorghum and 100% white bean. The functional properties gave good results in all the formulations. Statistical analysis of the iron content in the five different cookies showed that there was significant difference at the 95% confidence level (ANOVA). The iron content in all the recipes including the 100% sorghum improved, the increase ranging from 112% in 100% sorghum cookies to 476% in 100% white bean cookies. This shows that the increase in the amount of white bean used for fortification leads to the improvement of the iron content of cookies. The bioavailability of iron ranged from 21.3% in 100% sorghum to 28.6% in 100% white bean cookies. In the 100% sorghum cookies the iron bioavailability increased with reference to raw sorghum due to the addition of eggs. Bioavailability of iron in raw sorghum is 16.2%, therefore the percentage increase ranged from 5.1% to 28.6%. The cookies prepared from 10% white bean (S9WB1) scored the lowest 3.7 in terms of acceptability. They were the least preferred due to their somewhat soft texture. The 30% white bean cookies (S3WB1) gave results comparable to the 50% (S1WB1) and 100% white bean cookies. Cookies prepared with high percentage of white bean (50% and 100% white bean) gave the best results. Therefore cookie formulations from sorghum and white bean are successful in improving the iron status of anaemic individuals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sorghum" title="sorghum">sorghum</a>, <a href="https://publications.waset.org/abstracts/search?q=white%20bean" title=" white bean"> white bean</a>, <a href="https://publications.waset.org/abstracts/search?q=iron%20content" title=" iron content"> iron content</a>, <a href="https://publications.waset.org/abstracts/search?q=bioavailable%20iron" title=" bioavailable iron"> bioavailable iron</a>, <a href="https://publications.waset.org/abstracts/search?q=cookies" title=" cookies"> cookies</a> </p> <a href="https://publications.waset.org/abstracts/18687/utilization-of-sorghum-and-white-bean-flour-for-the-production-of-gluten-free-and-iron-rich-cookies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18687.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">415</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5730</span> Zero Valent Iron Algal Biocomposite for the Removal of Crystal Violet from Aqueous Solution: Box-Behnken Optimization and Fixed Bed Column Studies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Jerold">M. Jerold</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Sivasubramanian"> V. Sivasubramanian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, nano zero valent iron Sargassum swartzii (nZVI-SS) biocomposite a marine algal based biosorbent was used for the removal of simulated crystal violet (CV) in batch and continuous fixed bed operation. The Box-Behnen design (BBD) experimental results revealed the biosoprtion was maximum at pH 7.5, biosorbent dosage 0.1 g/L and initial CV concentration of 100 mg/L. The effect of various column parameters like bed depth (3, 6 and 9 cm), flow rate (5, 10 and 15 mL/min) and influent CV concentration (5, 10 and 15 mg/L) were investigated. The exhaustion time increased with increase of bed depth, influent CV concentration and decrease of flow rate. Adam-Bohart, Thomas and Yoon-Nelson models were used to predict the breakthrough curve and to evaluate the model parameters. Out of these models, Thomas and Yoon-Nelson models well described the experimental data. Therefore, the result implies that nZVI-SS biocomposite is a cheap and most promising biosorbent for the removal of CV from wastewater. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=algae" title="algae">algae</a>, <a href="https://publications.waset.org/abstracts/search?q=biosorption" title=" biosorption"> biosorption</a>, <a href="https://publications.waset.org/abstracts/search?q=zero-valent" title=" zero-valent"> zero-valent</a>, <a href="https://publications.waset.org/abstracts/search?q=dye" title=" dye"> dye</a>, <a href="https://publications.waset.org/abstracts/search?q=wastewater" title=" wastewater"> wastewater</a> </p> <a href="https://publications.waset.org/abstracts/114454/zero-valent-iron-algal-biocomposite-for-the-removal-of-crystal-violet-from-aqueous-solution-box-behnken-optimization-and-fixed-bed-column-studies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/114454.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">196</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5729</span> Central Composite Design for the Optimization of Fenton Process Parameters in Treatment of Hydrocarbon Contaminated Soil using Nanoscale Zero-Valent Iron</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ali%20Gharaee">Ali Gharaee</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Reza%20Khosravi%20Nikou"> Mohammad Reza Khosravi Nikou</a>, <a href="https://publications.waset.org/abstracts/search?q=Bagher%20Anvaripour"> Bagher Anvaripour</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Asghar%20Mahjoobi"> Ali Asghar Mahjoobi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Soil contamination by petroleum hydrocarbon (PHC) is a major concern facing the oil and gas industry. Particularly, condensate liquids have been found to contaminate soil at gas production sites. The remediation of PHCs is a difficult challenge due to the complex interaction between contaminant and soil. A study has been conducted to enhance degradation of PHCs by Fenton oxidation and using Nanoscale Zero-Valent Iron as catalyst. The various operating conditions such as initial H2O2 concentration, nZVI dosage, reaction time, and initial contamination dose were investigated. Central composite design was employed to optimize and analyze the effect of operational parameters on the PHC removal efficiency. It was found that optimal molar ratio of H2O2/Fe0 was 58 with maximum TPH removal of 84% and 3hr reaction time and initial contaminant concentration was 15g oil /kg soil. Based on the results, combination of Nanoscale ZVI and Fenton has proved to be a promising remedy for contaminated soil. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=oil%20contaminated%20Soil" title="oil contaminated Soil">oil contaminated Soil</a>, <a href="https://publications.waset.org/abstracts/search?q=fenton%20oxidation" title=" fenton oxidation"> fenton oxidation</a>, <a href="https://publications.waset.org/abstracts/search?q=zero%20valent%20iron%20nano-particles" title=" zero valent iron nano-particles "> zero valent iron nano-particles </a> </p> <a href="https://publications.waset.org/abstracts/27122/central-composite-design-for-the-optimization-of-fenton-process-parameters-in-treatment-of-hydrocarbon-contaminated-soil-using-nanoscale-zero-valent-iron" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27122.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">290</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5728</span> Prevalence of Overweight and Obesity in Iron-Deficient Iranian Teenagers Girls</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eftekhari%20M.%20H.">Eftekhari M. H.</a>, <a href="https://publications.waset.org/abstracts/search?q=Mozaffari-Khosravi%20H."> Mozaffari-Khosravi H.</a>, <a href="https://publications.waset.org/abstracts/search?q=Shidfar%20F."> Shidfar F.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Many Iranian adolescent girls are iron deficient, but it is unclear whether the iron deficiency is associated with other nutritional risk indicators. Objective: we aimed to investigate the association between iron deficiency and weight status (measured as BMI) among a reprehensive sample of teenage girls. Methods: A cross-sectional study was performed in a region of southern I.R.Iran. One hundred eighty-seven iron-deficient participants (aged between 11 to 14) were selected by systematic random sampling among all students in grades 1 to 3 from high schools for girls. We assayed hemoglobin, hematocrit, serum ferritin, iron and total iron binding capacity and measured weight and height. Body mass index was calculated according to age and gender-specific BMI growth charts for children 2 to 20 years of age. Results: 13% were at risk for being overweight and 8.3% were overweight. The severity of iron deficiency increased as BMI increased from normal to at risk for overweight and overweight. Iron deficiency anemia was most prevalent among overweight adolescents than at risk for overweight and normal weight adolescents (28%, 18%, and 13%, respectively). Conclusions: The results of this study showed an inverse association of BMI with serum ferritin. Overweight adolescents demonstrated an increased prevalence of anemia. Because of the potentially harmful effects of iron deficiency, obese adolescents should be routinely screened and treated as necessary. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adolescent" title="adolescent">adolescent</a>, <a href="https://publications.waset.org/abstracts/search?q=over%20weight" title=" over weight"> over weight</a>, <a href="https://publications.waset.org/abstracts/search?q=iron%20deficiency" title=" iron deficiency"> iron deficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=Iran" title=" Iran"> Iran</a> </p> <a href="https://publications.waset.org/abstracts/154590/prevalence-of-overweight-and-obesity-in-iron-deficient-iranian-teenagers-girls" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/154590.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">139</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5727</span> Green Synthesized Iron Oxide Nanoparticles: A Nano-Nutrient for the Growth and Enhancement of Flax (Linum usitatissimum L.) Plant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=G.%20Karunakaran">G. Karunakaran</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Jagathambal"> M. Jagathambal</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Van%20Minh"> N. Van Minh</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Kolesnikov"> E. Kolesnikov</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Gusev"> A. Gusev</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20V.%20Zakharova"> O. V. Zakharova</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20V.%20Scripnikova"> E. V. Scripnikova</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20D.%20Vishnyakova"> E. D. Vishnyakova</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Kuznetsov"> D. Kuznetsov </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Iron oxide nanoparticles (Fe<sub>2</sub>O<sub>3</sub>NPs) are widely used in different applications due to its ecofriendly nature and biocompatibility. Hence, in this investigation, biosynthesized Fe<sub>2</sub>O<sub>3</sub>NPs influence on flax (<em>Linum usitatissimum</em> L.) plant was examined. The biosynthesized nanoparticles were found to be cubic phase which is confirmed by XRD analysis. FTIR analysis confirmed the presence of functional groups corresponding to the iron oxide nanoparticle. The elemental analysis also confirmed that the obtained nanoparticle is iron oxide nanoparticle. The scanning electron microscopy and the transmission electron microscopy confirm that the average particle size was around 56 nm. The effect of Fe<sub>2</sub>O<sub>3</sub>NPs on seed germination followed by biochemical analysis was carried out using standard methods. The results obtained after four days and 11 days of seed vigor studies showed that the seedling length (cm), average number of seedling with leaves, increase in root length (cm) was found to be enhanced on treatment with iron oxide nanoparticles when compared to control. A positive correlation was noticed with the dose of the nanoparticle and plant growth, which may be due to changes in metabolic activity. Hence, to evaluate the change in metabolic activity, peroxidase and catalase activities were estimated. It was clear from the observation that higher concentration of iron oxide nanoparticles (Fe<sub>2</sub>O<sub>3</sub>NPs 1000 mg/L) has enhanced peroxidase and catalase activities and in turn plant growth. Thus, this study clearly showed that biosynthesized iron oxide nanoparticles will be an effective nano-nutrient for agriculture applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=catalase" title="catalase">catalase</a>, <a href="https://publications.waset.org/abstracts/search?q=fertilizer" title=" fertilizer"> fertilizer</a>, <a href="https://publications.waset.org/abstracts/search?q=iron%20oxide%20nanoparticles" title=" iron oxide nanoparticles"> iron oxide nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=Linum%20usitatissimum%20L." title=" Linum usitatissimum L."> Linum usitatissimum L.</a>, <a href="https://publications.waset.org/abstracts/search?q=nano-nutrient" title=" nano-nutrient"> nano-nutrient</a>, <a href="https://publications.waset.org/abstracts/search?q=peroxidase" title=" peroxidase"> peroxidase</a> </p> <a href="https://publications.waset.org/abstracts/70716/green-synthesized-iron-oxide-nanoparticles-a-nano-nutrient-for-the-growth-and-enhancement-of-flax-linum-usitatissimum-l-plant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70716.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">391</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=iron%20ore%20concentration&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=iron%20ore%20concentration&page=3">3</a></li> <li class="page-item"><a class="page-link" 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