分银渣中铅、银和锑一步浸出机理及工艺  

Leaching mechanism and process of lead silver and antimony from silver separated residue

作　　者：邹祥宇[1] 罗清威[1] 徐峰[1] 艾桃桃[1] 刘艳[1] 孟凡莹[1] Zou Xiangyu;Luo Qingwei;Xu Feng;Ai Taotao;Liu Yan;Meng Fanying(School of Material Science and Engineering,Shaanxi University of Technology,Hanzhong 723000,China)

机构地区：[1]陕西理工大学材料科学与工程学院,陕西汉中723000

出　　处：《材料与冶金学报》2018年第1期32-37,共6页Journal of Materials and Metallurgy

基　　金：国家自然科学基金青年基金项目(51504147);陕西省教育厅项目(15JK1165);陕西理工大学人才启动项目(SLGQD13(2)-18)

摘　　要：采用NaCl-CaCl_2-HCl体系一次浸出分银渣中Pb、Ag、Sb,并利用配合物化学理论,对其进行浸出热力学分析.研究NaCl浓度、HCl浓度、反应温度、液固比和浸出时间对浸出率的影响.在最优工艺条件下,Pb、Ag、Sb的浸出率分别为98.12%、97.31%和83.1%.Thermodynamic analysis of leaching Pb,Ag,Sb from silver separated residue used NaCl-CaCl 2-HCl system was studied.The effects of concentration of NaCl,concentration of HCl,liquid solid rate,leaching temperature and leaching time on leaching rate have been mainly investigated,and the optimum leaching conditions were determined and reported.The leaching rates for lead,silver and antimony were 98.12%,97.31%and 83.1%,respectively.

关 键 词：NaCl-CaCl2-HCl体系 分银渣 热力学分析 浸出率 

分 类 号：TF814[冶金工程—有色金属冶金]