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复合萃取分离乙酸乙酯 -乙醇 -水(英文)

, PP. 64-67

Keywords: 复合萃取,乙酸乙酯,乙醇,,模拟,实验

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Abstract:

介绍了乙酸乙酯工艺;提出了复合萃取法分离乙酸乙酯乙醇水,采用三对角距阵法模拟计算乙酸乙酯乙醇水分离结果;建立萃取分离装置,采用合适的萃取剂,考察了不同溶剂比及回流比等因素对产品纯度的影响.结果表明,采用复合萃取分离法分离乙酸乙酯乙醇水,在溶剂比1∶1∶1,R=4时能一次得到高浓度(99%)乙酸乙酯,同时得到95%的乙醇溶液,乙酸乙酯得率达到97%,分离过程水的用量仅为原料的2倍,能耗低,为工业试验提供了基础数据。

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