Prediction of vapor-liquid equilibria for asymmetric systems at low and high pressures with the PSRK model

被引：63

作者：

Li, JD

Fischer, K

Gmehling, J

机构：

[1] Univ Oldenburg, D-26111 Oldenburg, Germany

[2] Tsing Hua Univ, Dept Chem Engn, Beijing 100084, Peoples R China

[3] Ecole Mines, Ctr Reacteurs & Proc, F-77305 Fontainebleau, France

来源：

FLUID PHASE EQUILIBRIA | 1998年 / 143卷 / 1-2期

关键词：

asymmetric systems; equation of state; group contribution; vapor-liquid equilibria;

D O I：

10.1016/S0378-3812(98)00206-4

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The idea of effective R-k*, Q(k)* for the subgroups CH3, CH2, CH and C of UNIFAC in PSRK is proposed. Based on this idea, an empirical expression has been developed, allowing the reliable prediction of vapor-liquid equilibria for asymmetric systems at low and high pressures with the help of the PSRK model. Published by Elsevier Science B.V.

引用

页码：71 / 82

页数：12

共 40 条

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