六氟磷酸的合成工艺研究  

Study on Synthesis Process of Hexafluorophosphoric Acid

作　　者：徐州 崔艺馨 段宾 闫春生 XU Zhou;CUI Yixin;DUAN Bin;YAN Chunsheng(Duofuduo New Material Co.,Ltd.,Jiaozuo 454191,China)

机构地区：[1]多氟多新材料股份有限公司,河南焦作454191

出　　处：《河南化工》2024年第3期5-6,16,共3页Henan Chemical Industry

摘　　要：以氟化氢为氟化剂制备六氟磷酸,研究了不同磷源、氟化剂用量、反应温度、反应时间对产品纯度及收率的影响。结果表明:多聚磷酸作为磷酸,氟化氢过量30%,反应温度5℃,反应时间2 h条件下,合成的六氟磷酸纯度99.6%,收率96.2%,产品质量稳定,工艺可行。Using hydrogen fluoride as fluorinating agent hexafluorophosphoric acid is prepared.The effects of different phosphorus sources,the amount of fluorinating agent,reaction temperature and reaction time on the purity and yield of the product are studied.The results show that under the conditions of polyphosphoric acid as phosphoric acid,hydrogen fluoride excess of 30%,reaction temperature of 5℃and reaction time of 2 h,the purity of hexafluorophosphoric acid is 99.6%,and the yield is 96.2%.The product quality is stable,and the process is feasible.

关 键 词：氟化氢 六氟磷酸 多聚磷酸 

分 类 号：TQ124.3[化学工程—无机化工] TQ126.35