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从低品位金矿石中回收金的试验研究
引用本文:王书春,杨新华,孙敏喆.从低品位金矿石中回收金的试验研究[J].中国矿山工程,2012,41(3):36-38.
作者姓名:王书春  杨新华  孙敏喆
作者单位:柴胡栏子黄金矿业有限公司,内蒙古赤峰,024039
摘    要:柴胡栏子金矿矿石为绢云母化蚀变岩型及贫硫化物含金石英脉型,金嵌布粒度极细,分布极不均匀,与硫化物关系不密切,大部分与非金属脉石矿物共生,属于难浮选矿石。试验研究结果表明,就地堆浸是处理该矿石最合理的工艺,金回收率达60%。

关 键 词:石英脉  堆浸  浮选  回收率

Experimental study of recovering gold from low grade gold-bearing ore
Abstract:The ores of Chaihu Lanzi Gold Mine are sericitic alteration type and sulphide-poor type gold-bearing quartz vein.The gold disseminated size is ultra fine and the distribution of gold is extremely uneven.The gold is not closely related to sulphide,and most of the gold is paragenetic with nonmetallic minerals.It is difficult to recover gole by flotation from this type of ores.The test result shows that the suitable technique for this type of ores is in situ heap leaching,and the recovery rate of gold achieves 60%.
Keywords:quartz vein  heap leaching  flotation  recovery rate
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