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选矿后含铜尾渣选择性浸出的研究

Xing-wu LU,Li SANG,Guo-cai HE,Yu-liang LI,Chao YI,Ai-jun MA,Liang CHENG

Nonferrous Metals（2014）

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Abstract
以氨水为浸出剂从铜冶炼渣选矿含铜尾渣中浸出铜,考察了尾渣粒度、浸出剂浓度、反应温度和时间、液固比等对铜浸出率的影响.结果表明,在尾渣粒度0.074～0.105mm、氨水浓度1.1 mol/L、搅拌速度600 r/min、浸出温度(55±2)℃、反应时间120 min、液固比15∶1的最佳条件下,铜浸出率达到75％以上,其它杂质几乎不被浸出.
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Key words
copper tailings,selective leaching
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