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首页> 外文会议>International Conference on Chemical Engineering and Advanced Materials >Organic Solvents for Separating Ethyl acetate-Ethanol by Extractive Distillation
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Organic Solvents for Separating Ethyl acetate-Ethanol by Extractive Distillation

机译：通过萃取蒸馏分离乙酸乙酯 - 乙醇的有机溶剂

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摘要

The azeotropic mixture ethyl acetate-ethanol (EA-EtOH) enables effective separation by extractive distillation. The effectiveness of an extractive distillation process depends on the solvent selection, so the single and mixed solvent for separating ethyl acetate-ethanol by extractive distillation were examined. The results showed that the volatility of the ethyl acetate relative to ethanol increased with an increase of the ratio of any given solvent. The selectivity of the mixed solvent is superior to the single solvent. The measured data were correlated well using modified UNIFAC model. Simultaneously, the influence of temperature on solvent selectivity was proposed by using the Clausius-Mosotti equation.
机译：共沸混合物乙酸乙酯 - 乙醇（EA-ETOH）可以通过萃取蒸馏有效分离。萃取蒸馏工艺的有效性取决于溶剂选择，因此检查了通过萃取蒸馏分离乙酸乙酯 - 乙醇的单一和混合溶剂。结果表明，乙酸乙酯相对于乙醇的挥发性随着任何给定溶剂的比例的增加而增加。混合溶剂的选择性优于单一溶剂。使用修改的Unifac模型，测量的数据很好地是良好的。同时，通过使用Clausius-Mosotti方程提出了温度对溶剂选择性的影响。

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