Experimental (vapour plus liquid) equilibrium data of (methanol plus water), (water plus glycerol) and (methanol plus glycerol) systems at atmospheric and sub-atmospheric pressures

被引：62
|
作者：
Soujanya, J. [1 ]
Satyavathi, B. [1 ]
Prasad, T. E. Vittal [1 ]
机构：
[1] Indian Inst Chem Technol, Div Chem Engn, Hyderabad 500007, Andhra Pradesh, India
来源：
JOURNAL OF CHEMICAL THERMODYNAMICS | 2010年 / 42卷 / 05期
关键词：
(Vapour plus liquid) equilibrium; Glycerol; Methanol; Water; Wilson model; BINARY-MIXTURES;
D O I：
10.1016/j.jct.2009.11.020
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Experimental (vapour + liquid) equilibrium results for the binary systems, (methanol + water) at the local atmospheric pressure of 95.3 kPa and at sub-atmospheric pressures of (15.19, 29.38, 42.66, 56.03, and 67.38) kPa, (water + glycerol) system at pressures (14.19, 29.38, 41.54, 54.72, 63.84, and 95.3) kPa and the (methanol + glycerol) system at pressures (32.02 and 45.3) kPa were obtained over the entire composition range using a Sweitoslwasky-type ebulliometer. The relationship of the liquid composition (x(1)) as a function of temperature (T) was found to be well represented by the Wilson model. Computed vapour phase mole fractions, activity coefficients and the measured values along with optimum Wilson parameters are presented. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：621 / 624
页数：4
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