银电解废液净化工艺分析  

Analysis of purification technology for silver electrolyte waste solution

作　　者：张选冬 王欢 赵雨 吴喜龙 李勇 刘文 贺小塘 Zhang Xuandong;Wang Huan;Zhao Yu;Wu Xilong;Li Yong;Liu Wen;He Xiaotang(Sino-platinum Metals Resources(Yimen) Co. ,Ltd.;State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals)

机构地区：[1]贵研资源(易门)有限公司 [2]稀贵金属综合利用新技术国家重点实验室

出　　处：《黄金》2018年第3期74-76,共3页Gold

基　　金：云南省省院省校科技合作项目(2016IB002)

摘　　要：银电解提纯产生的电解废液中含有大量的银和有价金属,分析了银电解废液中杂质元素的电化学行为及影响,总结了银电解废液净化处理的主要工艺,重点介绍了硝酸盐熔融分解法和水解沉淀法,以及各种工艺的优势和不足,对银电解精炼厂选择电解废液净化工艺具有较强的指导作用。Silver electrolysis refining process produces electrolyte waste solution that contains much silver and va-luable metals.The paper analyzed the electrochemical behavior and influence of the impurity elements in the silver electrolyte waste solution,summarized the main purification processes for silver electrolyte waste solution,and focused on the introduction of nitrate fusion decomposition method and hydrolysis precipitation method and the advantages and disadvantages of each process.The study has guiding significance for choosing the right electrolyte waste solution purification method used in silver electrolysis refining plant.

关 键 词：银 电解废液 净化 综合利用 冶金技术 

分 类 号：TF841.8[冶金工程—有色金属冶金] TF833