Simulated small-scale pilot heap leaching of low-grade copper sulfide ore with selective extraction of copper  

作　　者：覃文庆 张雁生 黎维中 王军 

机构地区：[1]School of Resource Processing and Bioengineering,Central South University

出　　处：《中国有色金属学会会刊：英文版》2008年第6期1463-1467,共5页Transactions of Nonferrous Metals Society of China

基　　金：Project(2004CB619205)supported by the National Basic Research Program of China;Project(50621063)supported by the National Natural Science Foundation of China;Project(2007AA060902)supported by High-tech Research and Development Program of China

摘　　要：低档铜硫化物矿石的 bioleaching 和铜的选择抽取被调查。在煤油溶解的 Lix984 被用作提炼之物。结果证明有选择地沥滤是可能的从由堆沥滤的矿石的铜。沥滤的铜集中在 250 d 以后的白酒是 2.17 g/L，并且铜集中是在溶剂抽取以后的 0.27 g/L。leach 白酒受到溶剂抽取，擦洗并且为铜和杂质的移动的丰富的选择脱衣。从脱衣的周期生产的怀孕的铜硫酸盐答案对铜电迷合适。The bioleaching of low-grade copper sulfide ore and the selective extraction of copper were investigated. Lix984 dissolved in kerosene was used as extractant. The results show that it is possible to selectively leach copper from the ores by heap leaching. The copper concentration of leaching liquor after 250 d is 2.17 g/L, and the copper concentration is 0.27 g/L after solvent extraction. The leach liquor was subjected to solvent extraction, scrubbing and selective stripping for the enrichment of copper and the removal of impurities. The pregnant copper sulfate solution produced from the stripping cycle is suitable for copper electro-winning.

关 键 词：生物浸取 黄铜矿 萃取 紫铜 

分 类 号：TF811[冶金工程—有色金属冶金]