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铜、金矿基本矿物学及金赋存状态研究案例:《某铜金矿石基本矿物学与金赋存状态研究》

铜、金矿基本矿物学及金赋存状态研究案例:《某铜金矿石基本矿物学与金赋存状态研究》

(Summary description)   某铜金矿石为高硫铜金矿,金含量2.06g/t、铜含量2.4%、有效硫含量16%。其铜精矿中金一直存在回收率低(<40%)的问题。通过工艺矿物学研究发现:黄铁矿载金占46%,铜硫化物载金占22.3%,解离金占16.3%,非硫脉石金占15.4%,黄铁矿与铜硫化物中金均以不可见金为主。工艺矿物学预测铜精矿中金的理论回收率为38.6%,导致选矿试验金回收率低主要原因为黄铁矿载金占比高。

   结论与建议:在保证铜合理品位的情况,增加铜精矿产率,即多回收一部分含金黄铁矿,可一定程度上提高铜精矿中金的回收率,但黄铁矿含金品位(3.5g/t)明显低于铜硫化物含金浓度(11.7g/t),因此提升空间较为有限。

铜、金矿基本矿物学及金赋存状态研究案例:《某铜金矿石基本矿物学与金赋存状态研究》

(Summary description)   某铜金矿石为高硫铜金矿,金含量2.06g/t、铜含量2.4%、有效硫含量16%。其铜精矿中金一直存在回收率低(<40%)的问题。通过工艺矿物学研究发现:黄铁矿载金占46%,铜硫化物载金占22.3%,解离金占16.3%,非硫脉石金占15.4%,黄铁矿与铜硫化物中金均以不可见金为主。工艺矿物学预测铜精矿中金的理论回收率为38.6%,导致选矿试验金回收率低主要原因为黄铁矿载金占比高。

   结论与建议:在保证铜合理品位的情况,增加铜精矿产率,即多回收一部分含金黄铁矿,可一定程度上提高铜精矿中金的回收率,但黄铁矿含金品位(3.5g/t)明显低于铜硫化物含金浓度(11.7g/t),因此提升空间较为有限。

Information

   某铜金矿石为高硫铜金矿,金含量2.06g/t、铜含量2.4%、有效硫含量16%。其铜精矿中金一直存在回收率低(<40%)的问题。通过工艺矿物学研究发现:黄铁矿载金占46%,铜硫化物载金占22.3%,解离金占16.3%,非硫脉石金占15.4%,黄铁矿与铜硫化物中金均以不可见金为主。工艺矿物学预测铜精矿中金的理论回收率为38.6%,导致选矿试验金回收率低主要原因为黄铁矿载金占比高。

   结论与建议:在保证铜合理品位的情况,增加铜精矿产率,即多回收一部分含金黄铁矿,可一定程度上提高铜精矿中金的回收率,但黄铁矿含金品位(3.5g/t)明显低于铜硫化物含金浓度(11.7g/t),因此提升空间较为有限。

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