The purpose of polymethylene polyphenyl polyamines purification system is to get rid of anilin and water.The stripping tower and drying tower are two main separation units in the system.

多精制系统任务是脱除粗多中水,针现有工艺存在精制效果差、消耗高等问题,分别影响汽提塔干燥塔因素进行了模拟分析,提出了相进措施。