Thermodynamics of mixtures containing a very strongly polar compound: IV - Application of the DISQUAC, UNIFAC and ERAS models to DMSO plus organic solvent systems

被引：16

作者：

Gonzalez, JA ^{[1
]}

Villa, S ^{[1
]}

Riesco, N ^{[1
]}

De la Fuente, IG ^{[1
]}

Cobos, JC ^{[1
]}

机构：

[1] Univ Valladolid, Dept Fis Aplicada & Termodinam, GETEF, E-47071 Valladolid, Spain

来源：

PHYSICS AND CHEMISTRY OF LIQUIDS | 2003年 / 41卷 / 06期

关键词：

thermodynamics; mixtures; DMSO; 1-alkanol; models; dipole-dipole interactions;

D O I：

10.1080/00319100310001621868

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Binary mixtures of dimethylsulfoxide (DMSO) with alkane, benzene, toluene 1-alkanol, or 1-alkyne have been investigated in terms of DISQUAC. The corresponding interaction parameters are reported. ERAS parameters for 1-alkanol + DMSO mixtures are also given. ERAS calculations were developed considering DMSO as a not self-associated compound. DISQUAC represents fairly well a complete set of thermodynamic properties: molar excess enthalpies, molar excess Gibbs energies, vapor-liquid equilibria, natural logarithms of activity coefficients at infinite dilution, or partial molar excess enthalpies at infinite dilution. DISQUAC improves UNIFAC calculations for H-E. Both models yield similar results for VLE. In addition, DISQUAC also improves, ERAS results for 1-alkanol + DMSO mixtures. This may be due to ERAS cannot represent the strong dipole-dipole interactions present in such solutions.

引用

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页码：583 / 597

页数：15

共 22 条

[21] Thermodynamics of mixtures containing organic carbonates.: 14.: Excess molar Gibbs energies for 1-hexanol plus dimethyl or diethyl carbonate systems at 353.15 and 363.15 K.: Comparison with ERAS results
Sporzynski, A
Szurgocinska, M
Domanska, U
González, JA
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2003, 42 (19) : 4382 - 4388
[22] Thermodynamics of organic mixtures containing amines -: III:: Molar excess volumes at 298.15K for tripropylamine plus n-alkane systems -: Application of the Flory theory to N,N,N-trialkylamine plus n-alkane mixtures
Riesco, N
González, JA
Villa, S
De La Fuente, IG
Cobos, JC
PHYSICS AND CHEMISTRY OF LIQUIDS, 2003, 41 (03) : 309 - 321

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