MDI及PPS副产盐在氯碱生产中的使用  

Use of by-product salts from diphenylmethane diisocyanate and from polyphenylene sulfide in chlor-alkali production

作　　者：李国骁 曾永寿 LI Guoxiao;ZENG Yongshou(Chongqing Yingtianhui Chlor-Alkali Chemical Co.,Ltd.,Chongqing 401221,China)

机构地区：[1]重庆市映天辉氣碱化工有限公司,重庆401221

出　　处：《氯碱工业》2021年第12期30-33,共4页Chlor-Alkali Industry

摘　　要：介绍了重庆市映天辉氯碱化工有限公司的产业结构。给出MIDI装置盐水使用情况和PPS副产盐的净化。通过综合使用MDI和PPS副产盐,每年可以降低近千万元的生产成本,还优化了原料使用结构,促进了循环经济与资源、环境的协调发展。The industrial structure of Chongqing Yingtianhui Chlor-Alkali Chemical Co.,Ltd.is introduced.The use of brine formed in MDI unit is given.The purification of by-product salt from PPS is given.Through the comprehensive use of MDI and PPS by-product salt,the production cost can be reduced by nearly 10 million yuan every year,the use structure of raw materials is optimized,and the coordinated development of circular economy,resources and environment is promoted.

关 键 词：副产盐 氯碱 二苯基甲烷二异氰酸酯 聚苯硫醚 蒸发结晶 盐水 

分 类 号：X781.2[环境科学与工程—环境工程]