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.
多胺精制系务是脱除粗多胺中苯胺和水,针现有工艺存在精制效果差、消耗高等问题,别影响汽提塔和干燥塔因素进行了模拟析,提出了相应改进措施。