含Ga明矾石矿选择性浸出工艺研究  

Technological Research on Selective Leaching of Gallium-containing Alunite Ore

作　　者：衷水平[1] 

机构地区：[1]紫金矿业集团股份有限公司低品位难处理黄金资源综合利用国家重点实验室,福建上杭364200

出　　处：《稀有金属与硬质合金》2015年第2期6-10,共5页Rare Metals and Cemented Carbides

基　　金：国家重点基础研究发展计划项目(2012CB724200)

摘　　要：针对含Ga明矾石精矿开展了Ga、Al、K等有价元素选择性浸出试验研究。结果表明,在浸出温度80℃、浸出时间120min、搅拌速度300r/min、硫酸浓度70g/L、液固比4∶1条件下,Al、K的浸出率分别为81.7%、89.1%,Ga的浸出率为0.72%,浸出渣中Ga含量171.3g/t,富集3.16倍,实现了Ga与Al、K的分离。Experimental research was carried out on selective leaching of the valuable elements such as Ga,Al and K in gallium-containing alunite concentrate.Under the conditions of leaching temperature 80 ℃,leaching time 120 min,agitation speed 300r/min,H2SO4 concentration 70g/L and liquid to solid ratio4∶1,the leaching rates of Al and K are 81.7% and 89.1%,respectively,while the leaching rate of Ga is0.72%.Ga content in the leaching slag is 171.3g/t,which is 3.16 times as rich as the raw material,showing that Ga is separated from Al and K.

关 键 词：明矾石矿 GA 选择性浸出 工艺研究 

分 类 号：TD92[矿业工程—选矿]