深冷脱酸工艺在氯乙烯净化系统中的应用  

Application of cryogenic deacidification process in vinyl chloride purification system

作　　者：张力 罗贤玲 ZHANG Li;LUO Xian-ling(Shaanxi Jintai Chlor-Alkali Shenmu Chemical Co.,Ltd.,Shenmu 719000,China)

机构地区：[1]陕西金泰氯碱化工有限公司,陕西神木719000

出　　处：《中国氯碱》2022年第12期15-18,23,共5页China Chlor-Alkali

摘　　要：对氯乙烯装置净化系统进行升级,采用深冷脱酸工艺,降低了碱液消耗,提高了氯化氢和水的回收率,可节约成本551万元/a。The purification system of the vinyl chloride device was upgraded,and the cryogenic deacidification process was adopted,which reduced the consumption of lye,improved the recovery rate of hydrogen chloride and water,and achieved annual cost savings of 5.51 million yuan.

关 键 词：净化系统 深冷脱酸 氯化氢 组合水洗塔 碱洗塔 

分 类 号：TQ124.42[化学工程—无机化工]