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.

• 多胺精制系统的任务是脱除粗多胺中的苯胺和水,针对现有工艺存在的精制效果差、消耗高等问题,分别对影响汽提塔和干燥塔的因素进行了模拟分析,提出了相应的改进措施。