草酸二乙酯加氢制乙二醇产品精馏试验研究
Xiandai Huagong/Modern Chemical Industry（2011）
Abstract
通过减压间歇精馏对草酸二乙酯加氢制乙二醇产品进行精制.试验表明该方法切实可行,获得了纯度≥99.8％的乙二醇产品；同时探讨了塔顶压强、回流比变化对产品纯度的影响,获得了试验条件下的最佳操作条件,为工业化提纯草酸二乙酯加氢制乙二醇产品提供了有益信息.
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Key words
Diethyl oxalate,Ethylene glycol,Vacuum distillation
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