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.

多胺统任务是脱除粗多胺中苯胺和水,针对现有工艺存效果差、消耗高等问题,分别对影响汽提和干燥素进行了模拟分析,提出了相应改进措施。