Based on the the above analyses, the author proposed an optimal design for the 100kt/a DME plant with Two-step Methanol Dehydration Process, using the software ECSS, a detailed material balance is made to the whole system.

• 在此基础上，作者提出了二步法甲醇脱水工艺10万吨/年二甲醚生产装置的优化流程，并采用ECSS软件对全系统进行了物料平衡。