湿法磷酸净化技术概述  

Purification Technology of Wet Phosphoric Acid

作　　者：方竹堃 杨文娟 彭桦[1,2] 何宾宾 Fang Zhukun;Yang Wenjuan;Peng Hua;He Binbin(Yunnan Phosphate Chemical Group Co.Ltd.,Kunming 650500,China;Yunnan Provincial Key Laboratory of Energy Saving in Phosphorus Chemical Engineering and New Phosphorus Materials,Kunming 650500,China)

机构地区：[1]云南磷化集团有限公司,云南昆明650600 [2]云南省磷化工节能与新材料重点实验室,云南昆明650600

出　　处：《云南化工》2021年第11期29-30,共2页Yunnan Chemical Technology

摘　　要：我国是农业大国,对磷复肥的需求量很大,对应磷酸的需求量也很大。湿法磷酸是一种重要的磷酸生产方式,近年来,湿法磷酸净化技术不断创新。研究了近年来湿法磷酸净化技术的常用方法及优缺点,且对主要流行技术进行了讨论,认为新研发的溶剂萃取技术比较实用,对提高磷酸的产量和合格率,具有极为重要的意义。China is a big agricultural country,which has a great demand for phosphate compound fertilizer,and the demand for phosphoric acid is also large. Wet phosphoric acid is an important production mode of phosphoric acid. In recent years,the wet phosphoric acid purification technology has been constantly innovated. The common methods,advantages and disadvantages of wet phosphoric acid purification technology in recent years are studied. The main popular technologies are discussed. The new solvent extraction technology is considered. The technique is practical and has great significance for improving the yield and qualified rate of phosphoric acid.

关 键 词：湿法磷酸净化 各种萃取法 新工艺 

分 类 号：TQ126.35[化学工程—无机化工]