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《Contemporary Chemical Industry》 2008-05
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Iron Removal of Potash Feldspar by Novel Technology

TANG Kai, YAN Jie, LI Fu-lan, LI Xv-ming, ZHANG Yin (Institute of Materialand Chemical Engineering, Sichuan University of Science & Engineering, Sichuan Zigong 643000,China)  
Potash feldspar is one kind of important basic material in glass,ceramic and electronic industry.The content of Fe2O3 in potash feldspar is an important index to judge quality.The condition of removing iron from potash feldspar of Leshun (Sichuan),such as acid-Leaching reaction temperature,sulfuric acid concentration and experimental time were studied by orthogonal experiments.The best optimal conditions were that acid-leaching reaction temperature was 90 ℃,sulfuric acid concentration was 40%,experimental time was 2 hours.Flotation experiments were made with powders of potash feldspar after acid-leaching.The optimal flotation surfactant was selected as sodium oleate,mesh number of powders is 200.
【Fund】: 四川理工学院大学生创新基金项目(2008-2009)
【CateGory Index】: TD97
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