Phase behavior and solid-liquid equilibria of aliphatic and aromatic carboxylic acid mixtures

被引：6

作者：

Tamura, Kazuhiro ^{[1
]}

Kasuga, Tsuyoshi ^{[1
]}

Nakagawa, Tomoyuki ^{[1
]}

机构：

[1] Kanazawa Univ, Inst Sci & Engn, Fac Nat Syst, Kakuma Machi, Kanazawa, Ishikawa 9201192, Japan

来源：

FLUID PHASE EQUILIBRIA | 2016年 / 420卷

关键词：

Peritectic system; Eutectic system; Solid-liquid equilibria; Phase equilibrium calculation; ORGANIC-COMPOUNDS; BINARY-MIXTURES; SYSTEMS;

D O I：

10.1016/j.fluid.2015.12.021

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

We newly developed an apparatus for the solid liquid equilibrium measurements to examine the phase equilibria of carboxylic acid mixtures. The equilibrium freezing temperatures obtained from the cooling curve of the liquid state to solid were measured for the stearic acid + benzoic acid, adipic acid + benzoic acid, and p-toluic acid + benzoic acid systems. The experimental results were correlated successfully by Wilson, NRTL, and UNIQUAC models Moreover thermodynamic approach of Slaughter and Doherty was applied to represent the solid-liquid equilibria of peritectic and eutectic compound exists in the solid phase due to the reaction of complex formation. Good agreement between the experimental and calculated values for the binary carboxylic acid mixtures was obtained. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：24 / 29

页数：6

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