乙二醇(EG)是一种重要的有机化工原料,主要用于生产聚酯纤维和防冻剂,此外还可用于生产不饱和聚酯树脂、润滑剂、增塑剂、非离子表面活性剂以及炸药等,用途十分广泛。目前,我国乙二醇的生产技术主要有以乙烯为原料,经环氧乙烷生产乙二醇的石油路线,此外还有以煤或者天然气为原料,先制得合成气(CO+H_2)后,再通过直接法或者间接法制得乙二醇的煤化工路线。近年来,随着我国乙二醇生产能力和产量的变化,进出口情况也发生了一定 Ethylene glycol (EG) is an important organic chemical raw material used mainly in the production of polyester fibers and antifreeze, as well as in the production of unsaturated polyester resins, lubricants, plasticizers, nonionic surfactants and Explosives, etc., a very wide range of uses. At present, the production technology of ethylene glycol in our country mainly consists of the petroleum route using ethylene as raw material and ethylene glycol as ethylene oxide to produce ethylene glycol. In addition, after producing syngas (CO + H_2) by using coal or natural gas as raw materials, And then through the direct method or the indirect method of ethylene glycol coal chemical route. In recent years, as China’s ethylene glycol production capacity and output changes, import and export situation also took place