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,针有工艺存在的精制效果差、消耗高等问题,分别
响汽提塔和干燥塔的因素进行
模拟分析,提
应的改进措施。