某微细粒浸染难选金矿石新工艺试验研究  

New process technology on a micro-disseminated refractory gold ore

作　　者：罗增鑫[1] 

机构地区：[1]江西理工大学资源与环境工程学院,江西赣州341000

出　　处：《有色金属科学与工程》2011年第6期86-88,共3页Nonferrous Metals Science and Engineering

摘　　要：某低品位金矿石类型低硫半氧化微细粒浸染,常规选矿方法难以回收其微细粒金.工艺矿物学显示其脉石包裹金占总金的23.05%,采用全泥氰化浸出、细磨浮选等工艺回收率低.试验结合工艺矿物学研究,采用超细磨技术,使连生体得到充分解离,联合全泥浸出提金工艺,得到了浸出率为94.33%的良好指标.与常规氰化浸出相比金浸出率提高了近25%.A low-grade gold ore is characterized by low sulfur, semi-oxidation and micro fine impregnated structure. Conventional mineral processing technology failed to recover the micro-fine gold. Process mineralogy shows that 23.05 % gold is encapsulated in gangue. The recovery is low when using all-sliming cyanidation or fine grinding-flotation. Based on the process mineralogy, a fine gold recovery of 94.33 %, which is almost 25 % higher than conventional cyanide leaching is obtained through superfine-grinding technology.

关 键 词：超细磨 难选金矿 氰化浸出 

分 类 号：TD953[矿业工程—选矿]