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.

精制系统的任务是脱除粗的苯和水,针现有工艺存的精制效果差、消耗高等问题,影响汽提塔和干燥塔的因素进行了模拟析,提出了相应的改进措施。