盐酸法湿法磷酸工艺研究现状  

Technique research status of wet-process phosphoric acid by hydrochloric acid process

作　　者：王斌[1] 张宗凡[2] 罗康碧[1] 罗珍[1] 

机构地区：[1]昆明理工大学化学工程学院,四川昆明650500 [2]云南省化工研究院,四川昆明650228

出　　处：《化学工程师》2014年第8期46-49,共4页Chemical Engineer

基　　金：国家自然科学基金项目(21066003);云南省人培项目(kksy201305126)

摘　　要：H3PO4是一种重要的化工原料,用途十分广泛。本文介绍了H3PO4的生产方法,重点阐述了盐酸法湿法磷酸的工艺原理、研究现状以及CaCl2废液的综合利用现状。最后,针对盐酸法工艺存在的问题,提出了一些建议。大力开发盐酸法工艺对我国磷酸工业的发展有重要意义,研究重点是H3PO4萃取技术以及CaCl2废液处理技术。Phosphoric acid is an important chemical raw material, it＆#39;s application is very extensive. This paper introduced the production method of phosphate acid, expounded the technology principle, research status of wet process phosphoric acid by hydrochloric acid process and comprehensive utilization of calcium chloride liquid waste. Finally, aiming at the existing problem of hydrochloric acid process technology, some suggestions were put forward were Vigorously developing hydrochloric acid process technology has an important significance to the de-velopment of phosphate acid industry of China, research is focused on phosphoric acid extraction technology and calcium chloride liquid waste processing technology.

关 键 词：盐酸法 湿法磷酸 生产工艺 氯化钙 综合利用 

分 类 号：TQ126.3[化学工程—无机化工] TQ442.1