Isothermal Vapor-Liquid Equilibrium Data of Propan-1-ol+2,2, 4-Trimethylpentane and Butan-1-ol+2,2,4-Trimethylpentane at 318.15 K

被引：5

作者：

Garces, Siby I. ^{[1
]}

Faneite, Alexis M. ^{[1
]}

Soto, Diana ^{[2
]}

Alvarez, Cesar A. ^{[3
]}

Urdaneta, Mario R. ^{[1
]}

机构：

[1] Univ Zulia, Lab Ingn Quim Prof Ydelfonso Arrieta, Escuela Ingn Quim, Fac Ingn, Maracaibo 4011, Venezuela

[2] Univ Zulia, Lab Polimeros, Escuela Ingn Quim, Fac Ingn, Maracaibo 4011, Venezuela

[3] Univ Zulia, Dept Elect & Control, Maracaibo 4011, Venezuela

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2011年 / 56卷 / 08期

关键词：

BINARY; 2,2,4-TRIMETHYLPENTANE; ETHANOL; SYSTEMS; THERMODYNAMICS; 2-PROPANOL; MIXTURES; EQUATION;

D O I：

10.1021/je200279q

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this research, vapor-liquid equilibrium (VLE) data were determined at 318.15 K for the mixtures propan-1-ol + 2,2,4-trimethylpentane and butan-1-ol + 2,2,4-trimethylpentane in an isothermic Othmer still with recirculation, where the temperature was kept constant by means of a proportional-integral (PI) cascade control for the vapor phase. The equilibrium concentration for each phase was determined by gas chromatography, and the vapor phase was considered as nonideal. The consistency of the data was verified by means of the Van Ness direct test of thermodynamic consistency, supported by several thermodynamic methods based on the Gibbs-Duhem equation. The correlation of the VLE data was carried out using the Wilson local composition model. The alkanol + 2,2,4-trimethylpentane mixtures studied exhibit positive contributions from ideality and azeotropic behavior.

引用

页码：3346 / 3350

页数：5

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