1.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.
1.多精制系统的任务是脱除粗多
中的
水,针对现有工艺存
的精制效果差、消耗
题,分别对影响汽提塔
干燥塔的因素进行了模拟分析,提出了相应的改进措施。