含盐NMP水溶液分离回收工艺及设备研究

Process and Equipments Research for Separating and Recovering from the NMP-H_2O-salt Solution

针对聚苯硫醚(简称PPS)生产流程中水洗涤回收NMP工艺所产生的含盐NMP水溶液分离回收工艺存在的问题进行了工艺及设备方面的研究。

The process and equipment research for separating and recovering from the NMP- H2O-salt solution by using water washing process in the NMP recovering process of polyphenylene sulfide production are discussed in the paper.