浅谈甲醇对草酸二甲酯合成工艺的影响  

Effect of Methanol on Synthesis of Dimethyl Oxalate

作　　者：卫凯 李成科 温艳梅 乔玉山 赵建荣 WEI Kai;LI Chengke;WEN Yanmei;QIAO Yushan;ZHAO Jianrong(SHCCIG Yulin Chemical Co.,Ltd.,Shaanxi Yulin 719000,China)

机构地区：[1]陕煤集团榆林化学有限责任公司,陕西榆林719000

出　　处：《广州化工》2024年第20期13-15,共3页GuangZhou Chemical Industry

摘　　要：简要介绍了煤制乙二醇工艺中,各个塔的甲醇补入量对草酸二甲酯合成工艺的影响。通过分析煤制乙二醇的工艺流程,进一步分析甲醇在草酸二甲酯合成过程中在各塔内的作用及影响,在确保系统可稳定运行的前提下,总结出草酸二甲酯工艺操作过程中甲醇在各塔的最佳补入量。从而在此基础上优化各个塔的甲醇补入量,达到降低企业能耗,提高企业经济效益的目的。The effect of methanol addition in each column on the synthesis of dimethyl oxalate in the process of coal to ethylene glycol was introduced.By analyzing the process flow of coal to ethylene glycol,the function and influence of methanol in each column of dimethyl oxalate synthesis were further analyzed,the optimum amount of methanol added into each column in the process of dimethyl oxalate was summarized.On this basis,the methanol input of each tower was optimized to reduce the energy consumption and improve the economic benefit of the enterprise.

关 键 词：草酸二甲酯 甲醇 乙二醇 

分 类 号：TQ536[化学工程—煤化学工程]