Measurement and modeling of high-pressure (vapor plus liquid) equilibria of (CO2 + alkanol) binary systems

被引：5

作者：

Bejarano, Arturo ^{[1
]}

Gutierrez, Jorge E. ^{[1
]}

Araus, Karina A. ^{[2
]}

de la Fuente, Juan C. ^{[1
,3
]}

机构：

[1] Univ Tecn Federico Santa Maria, Dept Ingn Quim & Ambiental, Valparaiso, Chile

[2] Pontificia Univ Catolica Chile, Dept Ingn Quim & Bioproc, Santiago, Chile

[3] Ctr Reg Estudios Alimentos Saludables, Valparaiso, Chile

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2011年 / 43卷 / 05期

关键词：

Experimental data; Peng-Robinson; (Vapour plus liquid) equilibria; Carbon dioxide; 3-Methyl-2-butanol; 2-Pentanol; 3-Pentanol; CARBON-DIOXIDE; PHASE-EQUILIBRIA; BINARY-SYSTEMS; ETHANOL; EXTRACTION; CO2; METHANOL;

D O I：

10.1016/j.jct.2010.12.018

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Complementary isothermal (vapor + liquid) equilibria data are reported for the (CO2 + 3-methyl-2-butanol), (CO2 + 2-pentanol), and (CO2 + 3-pentanol) binary systems at temperatures of (313, 323, and 333) K, and at pressure range of (2 to 11) MPa. For all (CO2 + alcohol) systems, it was visually monitored that there was no liquid immiscibility at the temperatures and pressures studied. The experimental data were correlated with the Peng-Robinson equation of state using the quadratic mixing rules of van der Waals with two adjustable parameters. The calculated (vapor + liquid) equilibria compositions were found to be in good agreement with the experimental data with deviations for the mole fractions <8% and <2% for the liquid and vapor phase, respectively. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：759 / 763

页数：5

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