Phase equilibrium of (water plus formic or acetic acid plus ethyl heptanoate) ternary liquid systems at different temperatures

被引：16

作者：

Demirel, Cagla ^{[1
]}

Cehreli, Suheyla ^{[2
]}

机构：

[1] DirectComm, TR-34718 Istanbul, Turkey

[2] Istanbul Univ, Fac Engn, Dept Chem Engn, TR-34320 Istanbul, Turkey

来源：

FLUID PHASE EQUILIBRIA | 2013年 / 356卷

关键词：

Liquid-liquid equilibrium; Formic acid; Acetic acid; UNIFAC; UNIQUAC; 298.15; K; ATMOSPHERIC-PRESSURE; FUEL-CELLS; MIXTURES; TOLUENE; ACID+1-HEPTANOL; PREDICTION; ACETATE; T=298.2;

D O I：

10.1016/j.fluid.2013.07.015

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Liquid-liquid equilibrium (LLE) data for the ternary systems of (water + formic acid + ethyl heptanoate) and (water + acetic acid + ethyl heptanoate) were investigated at 288.15, 298.15, and 308.15 K and atmospheric pressure. The tie-line data was determined experimentally for each temperature. The experimental data was compared with the results predicted by the UNIFAC method, and correlated by means of UNIQUAC model. The reliability of the experimental tie-line data was confirmed by using the Othmer-Tobias correlation. Distribution coefficients and separation factor values were evaluated for the immiscibility region. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：71 / 77

页数：7

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