用工业级氯氧化锆制备硫酸锆  

Preparing of Zirconium Sulfate Using Industrial Zirconium Oxychloride

作　　者：黎志万[1] 刘小龙[1] 任萌[1] 张嘉[1] 刘锦洪[1] 

机构地区：[1]中国核动力研究设计院反应堆燃料及材料重点实验室,四川成都610213

出　　处：《湿法冶金》2016年第4期339-341,共3页Hydrometallurgy of China

摘　　要：研究了用工业级氯氧化锆(ZrOCl_2·8H_2O)经水解、硫酸沉淀工艺制备硫酸锆,考察了硫酸锆质量、制备工艺的经济性。结果表明:氯氧化锆的溶解量对硫酸锆沉淀起决定性作用;用无水乙醇清洗得到的硫酸锆能较好地控制沉淀晶体中氯离子含量;沉淀温度、硫酸用量影响锆回收率。同时,生产过程中产生的盐酸、洗涤沉淀晶体的乙醇均可回收利用,工艺环保。In this paper,the process and mechanism of preparing for zirconium sulfate precipitation using common zirconium oxychloride by hydrolyzing,precipitating was researched.The quality of the zirconium sulfate and the economy of the process were discussed.Experimental results show that the solubility of zirconium oxychloride plays important role during the precipitation.The content of chloride ion in the crystal can be controlled by cleaning the zirconium sulfate precipitation with anhydrous alcohol.The precipitation temperature and amount of sulfuric acid affect the recovery of zirconium.The hydrochloric acid produced in the process and alcohol washing crystal can be recovered.The process is environment friendly.

关 键 词：氯氧化锆 硫酸 水解 沉淀 硫酸锆 

分 类 号：TF841.4[冶金工程—有色金属冶金]