Solvent Selection for Extractive Distillation by the Universal Quasichemical Functional Group Activity Coefficient(UNIFAC) Group Contribution Method 被引量：7

Solvent Selection for Extractive Distillation by the Universal Quasichemical Functional Group Activity Coefficient(UNIFAC) Group Contribution Method

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摘要 A method to select solvent for extractive distillation is proposed by UNIFAC group contribution. Solventselectivity can be divided into two parts: the partial combinatorial solvent selectivity and the partial residual solventselectivity. The properties of partial combinatorial and residual solvent selectivity are demonstrated. In most cases,the partial residual solvent selectivity is predominant. The candidate groups of solvent can be selected by groupinteraction parameter using UNIFAC group interaction parameter table as a guide. A method to select solvent for extractive distillation is proposed by UNIFACgroup contribution. Solvent selectivity can be divided into two parts: the partial combinatorialsolvent selectivity and the partial residual solvent selectivity. The properties of partialcombinatorial and residual solvent selectivity are demonstrated. In most cases, the partial residualsolvent selectivity is predominant. The candidate groups of solvent can be selected by groupinteraction parameter using UNIFAC group interaction parameter table as a guide.

作者崔现宝翟亚锐杨志才冯天扬张缨

机构地区 State Key Laboratory of Chemical Engineering School of Chemical Engineering and Technology Library of Tianjin University Tianjin

出处《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2004年第6期862-868,共7页 中国化学工程学报（英文版）

关键词官能团萃取精馏溶剂选择 UNIFAC 群体交互参数 solvent selection solvent selectivity UNIFAC group contribution extractive distillation

分类号 TQ028 [化学工程]

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Chinese Journal of Chemical Engineering

2004年第6期

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