“浮选-焙烧-浸出”联合工艺综合回收硫精砂中有价金属的试验研究  

Experiment on synthetically recovering valuable metals from Pyrite Concentrate through the use of combined process “Flotation-roasting-leaching”

作　　者：徐飞飞[1] 黄国贤[1] XU Fei-fei;HUANG Guo-xian(Northwest Research Institute of Mining and Metallurgy,Baiyin 730900,China)

机构地区：[1]西北矿冶研究院,甘肃白银730900

出　　处：《世界有色金属》2018年第13期198-199,201,共3页World Nonferrous Metals

摘　　要：针对甘肃某硫精砂物化特点,采用"浮选-焙烧-浸出"联合工艺进行有价金属的综合回收,获得了较好选别指标。采用该联合工艺流程,最终获得有价元素的回收率分别为:铜71.04%、锌87.16%,金76.04%、银61.24%、铁87.62%,试验指标良好。Aiming at the physiochemical properties of a Pyrite Concentrate in gansu,the valuable metals can be recovered by the use of combined process＂Flotation-roasting-leaching＂,and the good technical index was obtained：Cu recovery of 71.04%,Zn recovery of 87.16%,Au recovery of 76.04%,Ag recovery of 61.24%,Fe recovery of 87.62%.

关 键 词：硫精砂 综合回收 无毒浸金剂 酸浸 氧化焙烧 

分 类 号：X75[环境科学与工程—环境工程]