六氟磷酸的热解工艺研究  

Study on Pyrolysis Process of Hexafluorophosphoric Acid

作　　者：段宾 耿梦湍 辛婉婉 闫春生 DUAN Bin;GENG Mengtuan;XIN Wanwan;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》2023年第11期35-37,共3页Henan Chemical Industry

摘　　要：六氟磷酸热解制备五氟化磷,研究了除水剂、除水剂用量、热解温度、热解时间对热解效果的影响。研究结果表明:发烟硫酸(20%)作为除水剂,除水剂过量10%,热解温度140℃,热解时间2 h条件下,六氟磷酸热解率91.3%。实验可操作性强,重复性好,适合于工业化生产。Phosphorus pentafluoride is prepared by pyrolysis of hexafluorophosphate.The effects of dehydrating agent,dosage of dehydrating agent,pyrolysis temperature and pyrolysis time on the pyrolysis effect are studied.The results show that the pyrolysis rate of hexafluorophosphoric acid is 91.3%under the conditions of fuming sulfuric acid(20%)as dehydrating agent,10%excess of dehydrating agent,pyrolysis temperature of 140°C and pyrolysis time of 2h.The experiment has strong operability and good repeatability,which is suitable for industrial production.

关 键 词：六氟磷酸 五氟化磷 除水剂 

分 类 号：TQ126.35[化学工程—无机化工]