金矿尾矿综合回收利用工艺技术研究

来源期刊：黄金2011年第2期

论文作者：朱仁锋 刘家弟 李宗站

文章页码：53 - 55

关键词：金矿尾矿； 综合回收利用； 金精矿； 长石粉

Key words：gold tailings； comprehensive utilization； gold concentrate； feldspar powder

摘    要：采用螺旋溜槽和摇床对某金矿尾矿进行分选,获得金品位25.02 g/t、产率0.16%的金精矿;螺旋溜槽中矿经弱磁—强磁—反浮选联合工艺处理,得到铁、硫质量分数分别为0.37%和0.024%、产率为42.45%的长石粉,可作为建筑陶瓷原料;选别过程中产生的粗粒级尾矿集中返回井下充填。采用该工艺流程处理该尾矿,可使尾矿综合利用率达到61.22%,具有一定的经济效益和社会效益。

Abstract: In this paper,the comprehensive utilization of the tailings in a gold mine was introduced.Selected by spiral chute and shaker,the gold concentrate of grade 25.02 g/t,yield 0.16 % was obtained.Tailings in the spiral chute went through the weak magnetic-strong magnetic-reverse flotation combination process,and then the feldspar powder was obtained,whose contents of iron,sulfur were 0.37 % and 0.024 % and the yield of was 42.45 %.The feldspar powder met the requirements of building ceramic.Coarse tailings produced in sorting process went back to mine for backfilling.So the comprehensive utilization rate of tailings achieved 61.22 %,with certain economic and social benefits.