TY - JOUR T1 - Fiziksel Zenginleştirme ve Hidrometalurjik Yöntemlerle Kuvars Cevherinden Demir Uzaklaştırma TT - Removal of Iron from Quartz Ore by Physical Enrichment and Hydrometallurgical Methods AU - Akçil, ATA UTKU AU - Tuncuk, Ayşenur AU - Candan Tosun, Yasemin AU - Okudan, Mediha Demet PY - 2020 DA - January DO - 10.21205/deufmd.2020226419 JF - Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi JO - DEUFMD PB - Dokuz Eylül Üniversitesi WT - DergiPark SN - 1302-9304 SP - 187 EP - 197 VL - 22 IS - 64 LA - tr AB - Kuvarsın saflaştırılması,içeriğindeki demirin kimyasal yöntemlerle uzaklaştırılıp öncelikli olarak cam,elektronik, deterjan, seramik, boya, refrakter, metalürji sanayilerindekullanılabilecek hale getirilmesi açısından önemlidir. Bu çalışmada kuvars cevherlerinden özellikle demir gibisafsızlıkların fiziksel ve kimyasal yöntemler ile uzaklaştırılması ve yükseksaflıkta, nitelikli ürün eldesi laboratuar ölçekte araştırılmıştır. Yüksek alanşiddetli manyetik ayırıcı ile manyetik özelliğe sahip safsızlıklaruzaklaştırılmış, liç testlerinde ise farklı asitlerin performansı, sıcaklık,liç süresi, katı/sıvı oranı, ve asit derişimi gibi parametrelerin demiruzaklaştırma verimine etkisi incelenmiştir. Başlangıçta 400 ppm Fe2O3içeriğine sahip kuvars örneği ile yapılan deneysel çalışmalar sonucunda Fe2O3içeriği 37,8 ppm’e düşürülmüş, beyazlık indeksi değeri de 87,43’den 96,81’eyükseltilmiştir. KW - Demir uzaklaştırma KW - Fiziksel ve kimyasal ayırma KW - Kuvars KW - Liç KW - Saflaştırma N2 - Removal ofimpurities (iron in particular) from quartz using aqueous chemical processes isimportant for its potential use in many industries including detergent,ceramics, paint, refractory, metallurgy and, in particular, glass andelectronic industries to fulfill the desired requirements by these industriesfor high quality quartz as raw material. In this study the removal ofimpurities, iron in particular, from the quartz ore by physical and chemicalmethods with the aim of producing high quality quartz with desiredspecifications were investigated on laboratory scale. Impurities with magneticproperties were removed by high field intense magnetic separator and inleaching tests, the influence of various factors including the performance ofacids, reagent type/concentration, temperature, leaching time and solid/liquidratio and extent of the removal of iron were studied. After the experimentalstudies with quartz sample, Fe2O3 content was decreasedto 37,8 ppm from 400 ppm, whiteness index was also increased to 96,81 from87,43. CR - Breiter, K., Svojtka, M., Ackerman, L., Švecová, C. 2012. Trace Element Composition of Quartz from the Variscan Altenberg–Teplice Caldera (Krušné Hory/Erzgebirge Mts, Czech Republic/Germany): Insights into the Volcano-Plutonic Complex Evolution, Chemical Geology, Cilt. 326-327, s. 36-50. 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DOI: 10.1007/BF01569941 UR - https://doi.org/10.21205/deufmd.2020226419 L1 - https://dergipark.org.tr/tr/download/article-file/935968 ER -