1,1,1-三氟乙烷/1,1-二氟-1-氯乙烷联产装置分离氟化氢工艺的研究  

Study on Separation Process of Hydrogen Fluoride in 1,1,1-Trifluoroethane/1,1-Difluoro-1-Chloroethane Co-production Unit

作　　者：王青松 郑瑞朋 黄学忠 刘勇营 WANG Qing-song;ZHENG Rui-peng;HUANG Xue-zhong;LIU Yong-ying(Sinochem Lantian Fluorine Material Co.,Ltd.,Shaoxing,Zhejiang 312300,China)

机构地区：[1]中化蓝天氟材料有限公司,浙江绍兴312300

出　　处：《浙江化工》2022年第6期1-6,共6页Zhejiang Chemical Industry

摘　　要：为了将1,1,1-三氟乙烷(HFC-143a)/1,1-二氟-1-氯乙烷(HCFC-142b)联产装置反应过程中过量的氟化氢(HF)分离并利用,通过实验、模拟计算等方法研究适用于该装置的氟化氢分离工艺,最终得到有水氢氟酸产品,实现资源化利用。In order to separate and utilize the excess hydrogen fluoride(HF)in the 1,1,1-trifluoroethane(HFC-143a)/1,1-difluoro-1-chloroethane(HCFC-142b)co-production unit reaction process,the hydrogen fluoride separation process suitable for this device was studied through experiments,simulation calculations and other methods.The process finally obtains water-containing hydrofluoric acid products and realizes resource utilization.

关 键 词：有水氢氟酸 干法分离 液相分层 液相洗涤 萃取精馏 变压精馏 

分 类 号：TQ124.3[化学工程—无机化工] TQ222.23