福美钠同步脱除硫酸锌溶液中铜镉镍钴  

Simultaneous removal of copper,cadmium,nickel and cobalt from zinc sulfate solution with sodium dimethyl dithiocarbamate

作　　者：程胜红 刘三平 刘雪飞 郭纵 郑朝振 CHENG Shenghong;LIU Sanping;LIU Xuefei;GUO Zong;ZHENG Chaozhen(SOREMI SA,Pointe-Noire 999059,Congo;BGRIMM Technology Group,Beijing 100160,China;School of Metallurgy and Ecological Engineering,University of Science and Technology Beijing,Beijing 100083,China)

机构地区：[1]刚果(布)黑角索瑞米股份有限公司,刚果(布)黑角999059 [2]矿冶科技集团有限公司,北京100160 [3]北京科技大学冶金与生态工程学院,北京1000831

出　　处：《矿冶》2024年第4期587-593,共7页Mining And Metallurgy

基　　金：国家重点研发计划项目(2022YFC2904604)。

摘　　要：以含镉30~60 mg/L、含钴300~400 mg/L、含镍60~100 mg/L的高含杂硫酸锌溶液为研究对象,针对传统锌粉置换除杂法锌粉消耗量大、成本偏高的问题,使用福美钠实现了铜镉镍钴的同步脱除。优化除杂条件如下:福美钠用量为理论量1.5倍,亚硝酸钠用量为理论量1倍,反应时间1 h,反应温度75~85℃。渣量为30 kg/m^(3)-液,渣含锌和含钴在8%左右,渣含镉和含镍在1.5%左右,锌损失率为0.02%。铜脱除率为99.11%,镉脱除率为99.98%,钴脱除率为99.99%,镍脱除率为98.94%,可以实现铜镉镍钴的同步脱除。In order to solve the problems of high consumption and cost of zinc powder in the conventional impurity removal method,the purification of copper,cadmium,nickel and cobalt from zinc sulfate solution(containing 30-60 mg/L cadmium,300-400 mg/L cobalt,and 60-100 mg/L nickel)was achieved by using sodium dimethyl dithiocarbamate.The optimized impurity removal conditions are shown as follows:the dosage of sodium dimethyl dithiocarbamate was 1.5 times the theoretical amount,the dosage of sodium nitrite was 1 times the theoretical amount,the reaction time was 1 h,and the reaction temperature was 75-85℃.The slag content was 30 kg/m^(3)-liquid.The zinc and cobalt content in slag was about 8%and the cadmium and nickel content was about 1.5%,the loss percent of zinc was 0.02%.The removal efficiency was 99.11%for copper,99.98%for cadmium,99.99%for cobalt and 98.94%for nickel.The synchronous removal of copper,cobalt,nickel and cobalt can be achieved.

关 键 词：福美钠 沉锌渣浸出液 同步除杂 铜镉镍钴 

分 类 号：TQ150.1[化学工程—电化学工业]