煤制乙二醇企业草酸二甲酯精馏工艺路线优化

Optimization of distillation process for dimethyl oxalate in coal-to-ethylene glycol enterprise

阳煤集团寿阳化工20万t/a乙二醇项目通过对草酸二甲酯精馏工艺路线优化改造,缓解了热水系统“冷热病”的现象,降低了蒸汽、电的消耗,增加了草酸二甲酯的产量,预计全年节约成本857.9万元。

The 200,000-ton ethylene glycol project of Shouyang Chemical Industry of Yangquan Coal Industry Group alleviates the cold fever in the hot water system,reduces the consumption of steam and electricity,and increases the production of refined DMO,which is expected to save the annual cost of 8.579 million yuan.