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和水,针对现有工艺存精制效果差、消耗高,分别对影响汽提塔和干燥塔因素进行了模拟分析,提出了相应改进措施。