Binary vapour-liquid equilibrium data for C7 and C9 straight-chain perfluorocarbons with ethylene

被引：6

作者：

Tebbal, Zoubir ^{[1
]}

Nelson, Wayne Michael ^{[2
]}

Naidoo, Paramespri ^{[2
]}

Negadi, Latifa ^{[1
]}

Ramjugernath, Deresh ^{[2
]}

机构：

[1] Univ Tlemcen, Lab Thermodynam Appl & Modelisat Mol, LATA2M, POB 119, Tilimsen 13000, Algeria

[2] Univ KwaZulu Natal, Sch Engn, Thermodynam Res Unit, Howard Coll Campus,King George 5 Ave, ZA-4041 Durban, South Africa

来源：

FLUID PHASE EQUILIBRIA | 2016年 / 429卷

基金：

新加坡国家研究基金会;

关键词：

VLE; Ethylene; Perfluoroheptane; Perfluorononane; Static-analytic; ROLSI (TM); High-pressure; EQUATION-OF-STATE; SYSTEM MEASUREMENT; PHASE-EQUILIBRIA; CRITICAL-POINTS; CARBON-DIOXIDE; 283; K; MIXTURES; HEXAFLUOROPROPYLENE; PRESSURES; 1,1,2,3,3,3-HEXAFLUORO-1-PROPENE;

D O I：

10.1016/j.fluid.2016.08.015

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Experimental vapour-liquid equilibrium data are reported for the binary systems of ethylene + perfluoro-n-heptane and ethylene + perfiuoro-n-nonane. Isothermal measurements were performed within the temperature range of (293-354) K, and at pressures up to 9 MPa, using an apparatus based on the "static-analytic" method. The experimental data were correlated using the Peng-Robinson equation of state utilizing either the van der Waals mixing rule or the Wong-Sandler mixing rule coupled with the Non-Random Two-Liquid (NRTL) activity coefficient model. Both model combinations provided adequate representation of the experimental data, with the model involving the Wong-Sandler mixing rule providing a slightly better fit. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：37 / 44

页数：8

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