刚果(金)某细粒复杂铜矿石浮选试验

Metal Mine(2016)

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Abstract
刚果(金)某细粒复杂铜矿石铜品位为2.69%,主要铜矿物为斑铜矿,大部分以细粒及微细粒不规则状嵌生在脉石矿物中,黄铜矿、孔雀石少量.矿石中次生硫化铜、原生硫化铜和氧化铜分别占总铜的76.21%、13.38%和7.43%.为确定该矿石资源的高效开发利用方案,进行了选矿试验.研究结果表明,矿石在磨矿细度为-0.074 mm占85.86%的情况下,以BKD-1为捕收剂、Na2 S为氧化铜矿物的活化剂、碳酸钠为矿浆pH调整剂,采用3粗2精2扫、扫选精矿合并1次扫精选流程处理,获得了铜品位为38.52%、铜回收率为97.52%的铜精矿.
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Key words
Malachite,Activator Na2 S,Bornite,Flotation,Chalcopyrite,pH regulator Na2 CO3,Collector of BKD-1
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