催化条件下低品位原生硫化铜矿的搅拌细菌浸出

Metal Mine(2009)

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Abstract
以活性炭、Ag+及Fe2+为组合催化剂,研究了催化条件下永平铜矿低品位原生硫化铜矿的搅拌细菌浸出效果。试验结果表明:催化条件下永平低品位原生硫化铜矿的搅拌细菌浸出效果良好,但搅拌速度对浸出有较大的影响。搅拌速度为240r/min时,浸出456h后铜的浸出率可达83%。酸化液可以代替9K+S培养基作为溶浸剂。用酸化液作溶浸剂时,浸出335h后铜的浸出率可达81.58%,比用9K+S培养基作溶浸剂时高出6个多百分点。
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Key words
Agitation leaching,Bioleaching,Low-grade primary copper sulfide ore,Catalysis
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