用针铁矿法从锌矿石浸出液中除铁试验研究  

Removal of Iron Fom Leaching Solution of Zinc Ore by Goethite Rrocess

作　　者：孙大林[1] 吴克明[1] 胡杰[1] 

机构地区：[1]武汉科技大学冶金矿产资源高效利用与造块湖北省重点试验室,湖北武汉430081

出　　处：《湿法冶金》2015年第1期68-71,共4页Hydrometallurgy of China

基　　金：湖北省教育厅重点项目(D20101107)

摘　　要：研究了用针铁矿法从锌矿石浸出液中除铁。试验结果表明,采用30%的双氧水作氧化剂,在温度95℃、溶液pH 4.8、双氧水用量16.67 mL/L、沉铁渣用量16.72g/L条件下反应5h,陈化2h,除铁率达99.99%。该工艺除铁效果较好,除铁后液符合工业要求。Removal of iron from the leaching solution of zinc ore by goethite process was studied.The results show that using hydrogen peroxide as oxidizing agent,over 99.99% of iron ions can be removed under the optimum conditions of reaction temperature of 95℃,pH of 4.8,hydrogen peroxide dosage of 16.67mL/L,sinking slag dosage of 16.72g/L,reaction time of 5hand aging time of 2h.This method meets the requirement of industrial practice.

关 键 词：针铁矿法 浸出液 铁 去除 

分 类 号：TF813[冶金工程—有色金属冶金]