氯化钙废液制备高纯碳酸钙副产工业氯化铵新工艺  

A NEW PROCESS FOR PRODUCING HIGH PURITY CALCIUM CARBONATE AND BY PRODUCING AMMONIA CHLORIDE BY-DISPOSING THE LIQUID WASTE OF LIME CHLORIDE

作　　者：李国庭[1] 刘鸿雁[1] 张殿华 李亚玲 刘宝树[1] 

机构地区：[1]河北科技大学,河北石家庄050018 [2]华北制药集团,河北石家庄050015

出　　处：《化工科技》2000年第6期46-48,共3页Science & Technology in Chemical Industry

摘　　要：笔者介绍以氯化钙废液为原料 ,经CO2 碳化 ,制备高纯、高白碳酸钙同时副产工业氯化铵新工艺 ,不但解决了大量氯化钙废液无法充分合理利用 ,污染环境的问题 。This paper details a new process for producing highpurity and high whiteness calcium carbonate and by producing ammonia chloride by disposing waste solution of calcium chloride with carbon dioxide.The process can made full use of resources and solve the question of pollution.And meantime,it can acquire great economic profits. [WT5HZ]

关 键 词：氯化钙废液 碳酸钙 氯化铵 碳化 工艺 

分 类 号：TQ132.32[化学工程—无机化工] TQ113.72