By analysis to the old flow of alcoholysis liquid waste processing.In our work. a new flow was set up.The product of acetic oxide can be obtained by the technology of rectification and carbonylation.

• 对现有醇解废液处理的工艺进行了分析并提出了一种新的醇解废液处理工艺,通过萃取精馏将醋酸甲酯提纯,再利用羰基化合成技术生产醋酐产品。