用铁粉从酸性淋洗液中置换金银铜试验研究  

Recovery of Gold,Silver and Copper From Acidic Leacheate by Iron Powder Displacement

作　　者：柳林[1,2,3,4] 王威 孙启亮[1,2] 刘红召 曹耀华[1,2,3,4] LIU Lin;WANG Wei;SUN Qiliang;LIU Hongzhao;CAO Yaohua(Zhengzhou Institute of Multipurpose Utilization of Mineral Resources,CAGS, Zhengzhou 450006,China;China National Engineering Research Center for Utilization of Industrial Minerals, Zhengzhou 450006,China;Comprehensive Utilization Key Laboratory of Gold Resource in He′nan Province, Zhengzhou 450006,China;Key Laboratory of Evaluation and Multipurpose Utilization of Polymetallic Ore of Ministry of Land and Resources,Zhengzhou 450006,China)

机构地区：[1]中国地质科学院郑州矿产综合利用研究所,河南郑州450006 [2]国家非金属矿资源综合利用工程技术研究中心,河南郑州450006 [3]河南省黄金资源综合利用重点实验室,河南郑州450006 [4]国土资源部多金属矿评价与综合利用重点实验室,河南郑州450006

出　　处：《湿法冶金》2018年第6期474-477,共4页Hydrometallurgy of China

基　　金：国家自然科学基金资助项目(51404220);中国地质调查局地质调查项目(121201017000160907);河南省科技攻关项目(182102311075)

摘　　要：研究了用铁粉从某黄金冶炼渣氯化焙砂淋洗液中置换回收金、银、铜,考察了铁粉用量、置换时间、温度对金、银、铜置换率的影响。结果表明:在铁粉用量9g/L、反应时间50min、温度60℃条件下,溶液中金、银、铜置换率分别达98.51%、98.85%和96.51%,置换回收效果较好。Iron powder displacement method was used to recover the valuable metals in the leacheate of chlorination roasting of gold smelting slag.The effects of iron powder dosage,reduction time and reduction temperature on displacement rate of these metals were examined.The test results show that under the conditions of reduction temperature of 55℃,reduction time of 50 min and iron power dosage of 9 g/L,the displacement rate of gold,silver,copper are 98.51%,98.85%and 96.51%,respectively.The results are good.

关 键 词：冶炼渣 氯化焙烧 淋洗液 铁粉 有价金属 置换 

分 类 号：TF803.2[冶金工程—有色金属冶金]