从电炉炼锌烟尘及其酸浸出渣中综合回收有价金属的工艺研究  

Recovery of Valuable Metals from Flue Dust of Zinc Metallurgy

作　　者：普世坤 靳林 肖春宏 

机构地区：[1]云南临沧鑫圆锗业股份有限公司,云南临沧677000 [2]临沧师范高等专科学校数理系,云南临沧677000

出　　处：《广东化工》2011年第11期224-225,共2页Guangdong Chemical Industry

基　　金：云南省教育厅自然基金资助项目(2010Y210);云南省技术创新人才项目2010CI086

摘　　要：系统地研究了从电炉炼锌烟尘及其酸浸出渣中综合回收铟、锡、铅、锌等有价金属的新工艺,考察了硫酸浸取锌、铟,盐酸浸取铅、锡的最佳工艺控制条件。该工艺方法能够有效地回收电炉炼锌烟尘中的铟、锡、铅、锌等有价金属,工艺简单实用,原料综合利用率高,无环境污染等特点。铟、锡、铅、锌的回收率分别可达82%、98%、97%和95%。Recovery of Sn,zinc and Pb from flue dust of zine metallurgy has been systematically studied in the paper.The optimum process parameters for extraction of Sn by dilute sulfuric acid leaching and extractions of zinc andPb by calcium chloride leaching have been investigated.Sn zinc and Pb can be effectively extracted fromflue dust by the process.The recovery rates of In,Sn,Pb and Zn are more than 82 %,98 %,97 % and 95 % respectively？The process has the advantages of simple operation art and high comprehensive recovery rates without environmental pollution.

关 键 词：锌冶炼 烟尘 回收 

分 类 号：X5[环境科学与工程—环境工程]