Existing methanol 4-tower distillation process mainly includes pre-distillation column, pressurize distillation column, normal pressure distillation column and recovery column.
现有的甲醇四塔精馏工艺流程主要包括预精馏塔、加压精馏塔、常压精馏塔以及回收塔。
2
With the technique of heat pump distillation adopted, the pre treatment of rubber promoter CBS wastewater is studied and tested.
采用热泵蒸馏技术对橡胶促进剂cbs的废水进行预处理作了探讨和实验。
3
The industrialized production technology of biodiesel was introduced by pre-esterification, transesterifi- cation and distillation processes, and the techno-economic analysis was performed.