回收铅渣中碳酸铅工艺条件研究  

Reseach on Process Conditions of Recovering Lead carbonate from Lead Slag

作　　者：任兴丽[1] 蒋兴荣[1] 朱复跃[1] 

机构地区：[1]四川工商职业技术学院,四川都江堰611830

出　　处：《河北化工》2012年第9期43-44,共2页Hebei Chemical Industry

摘　　要：研究了通过纯碱与铅渣中的硫酸铅反应转化为碳酸铅的工艺,得出了该反应的最佳工艺条件为:反应温度为70℃,纯碱浓度为2mol/L,纯碱理论用量为140%,固液比为4∶1,反应时间为4h。在此条件下,铅的浸出率可达94%。To reseach the conversion process of soda ash and lead sulfate in lead slag for lead carbonate,and obtain the optimum process conditions.The results showed when reaction temperature was 70 ℃,soda ash concentration was 2 mol/L,soda ash theoretical amount was 140%,the ratio of liquid to solid was 4∶1,reaction time was 4 hours,the leaching rate of lead could reach 94%.

关 键 词：铅渣 纯碱 硫酸铅 碳酸铅 

分 类 号：X781[环境科学与工程—环境工程]