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

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

CUI Xianbao^a; ZHAI Yarui^b; YANG Zhicai^a; FENG Tianyang^a; ZHANG Ying^a

^a State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

^b Library of Tianjin University, Tianjin 300072, China

Received:1900-01-01 Revised:1900-01-01 Online:2004-12-28 Published:2004-12-28
Contact: CUI Xianbao

通过官能团选择萃取精馏的溶剂

崔现宝^a; 翟亚锐^b; 杨志才^a; 冯天扬^a; 张缨^a

^a State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China ^b Library of Tianjin University, Tianjin 300072, China

通讯作者: 崔现宝

Abstract

Abstract: A method to select solvent for extractive distillation is proposed by UNIFAC group contribution. Solvent selectivity can be divided into two parts: the partial combinatorial solvent selectivity and the partial residual solvent selectivity. 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 group interaction parameter using UNIFAC group interaction parameter table as a guide.

Key words: solvent selection, solvent selectivity, UNIFAC, group contribution, extractive distillation

摘要： A method to select solvent for extractive distillation is proposed by UNIFAC group contribution. Solvent selectivity can be divided into two parts: the partial combinatorial solvent selectivity and the partial residual solvent selectivity. 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 group interaction parameter using UNIFAC group interaction parameter table as a guide.

关键词: 官能团;萃取精馏;溶剂选择;UNIFAC;群体交互参数

CUI Xianbao, ZHAI Yarui, YANG Zhicai, FENG Tianyang, ZHANG Ying. Solvent Selection for Extractive Distillation by the Universal Quasichemical Functional Group Activity Coefficient (UNIFAC) Group Contribution Method[J]. , DOI: .

崔现宝,翟亚锐,杨志才,冯天扬,张缨. 通过官能团选择萃取精馏的溶剂[J]. , DOI: .

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