青海铁矿伴生金银铜的综合回收  

Study on Comprehensive Recovery of Gold, Silver and Copper Associated with Iron Ore in Qinghai

作　　者：陈勇 Chen Yong(Mining and Metallurgical Research and Development Center,China Nonferrous Metals Industry Xi'an Survey and Design Research Institute Co.,Ltd.,Xi'an,Shaanxi,China)

机构地区：[1]中国有色金属工业西安勘察设计研究院有限公司矿冶研发中心,陕西西安710061

出　　处：《矿产综合利用》2022年第4期12-16,20,共6页Multipurpose Utilization of Mineral Resources

摘　　要：青海铁矿中伴生少量的金银铜,这些伴生矿物达到回收标准,实验采用先磁后浮及先浮后磁工艺流程进行对比实验研究,研究结果表明,采用先磁后浮流程可获得铁精矿含全铁68.25%,铁回收率77.48%,铜精矿含铜28.60%,铜回收率41.14%,铜精矿含金18.60 g/t,含银1127.91 g/t,金回收率44.44%,银回收率46.23%,实验指标较为理想,达到了伴生矿产资源综合利用的目的,对同类型矿产资源综合利用具有一定的参考价值。A small amount of gold and silver copper is associated with the iron ore of Qinghai,and the associated minerals reach the recovery standard;the test adopts the first magnetic rear floating and the first floating post-floating magnetic process flow;the first magnetic post-floating process can obtain the iron concentrate containing 68.25 percent of the total iron,77.48 percent of the iron recovery rate,28.60 percent of the copper concentrate and 41.14 percent of the copper recovery rate,The gold content of the copper concentrate is 18.60 g/t,the silver content is 1127.91 g/t,the recovery rate of gold is 44.44%,and the silver recovery rate is 46.23%.

关 键 词：铁矿 伴生 多金属矿 综合利用 

分 类 号：TD951[矿业工程—选矿]