摘要
某铜锌硫化矿共生关系密切,并伴生毒砂等有害杂质,铜锌难以分离。试验采用阶段磨浮流程,即粗磨条件下优先选铜、铜粗精矿再磨再选、选铜尾矿选锌的流程。通过小型闭路试验,获得了铜精矿含铜20.30%、含锌6.48%,铜回收率为75.33%;含锌48.32%、锌回收率为91.54%的锌精矿。
Intricate Cu and Zn sulphide ores were difficult to be separated for the ore syngenesised closely and associated other harmful impurities as arsenopyrite.Some experiments were carried out by using the flowsheet of staged grinding-flotation,namely,at first Cu minerals was dressed under rough grinding condition,then copper concentrate was regrinded,at last the tailings was treat for flotation Zn.Two good test indexes were obtained by the closed circuit experiment,respectively,Cu concentrate with 20.30% Cu and 6.48% Zn,in which the recovery of Cu is 75.33%,and Zn concentrate with 48.32% Zn and 91.54% Zn recovery.The Cu-Zn ores were successfully separated.
出处
《中国矿业》
北大核心
2012年第7期66-69,共4页
China Mining Magazine
关键词
铜锌分离
阶段磨矿
优先浮选
Cu-Zn separation
staged grinding-flotation
selective flotation
