Extending application of Dehaghani Association Equation of State for Modeling Phase Behavior of Water-Alcohol Systems

被引：0

作者：

Dehaghani, Amir Hossein Saeedi ^{[1
]}

Badizad, Mohammad Hasan ^{[2
]}

机构：

[1] Tarbiat Modares Univ, Fac Chem Engn, Dept Petr Engn, Tehran, Iran

[2] Sharif Univ Technol, Dept Chem & Petr Engn, Tehran, Iran

来源：

FLUID PHASE EQUILIBRIA | 2019年 / 482卷

关键词：

Alcohol; Association; Equation of state; Thermodynamic model; Aqueous solution; ASPHALTENE; FLUIDS; CO2;

D O I：

10.1016/j.fluid.2018.11.027

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper concerns extending applicability of Dehaghani association equation of state (in short DA-EOS) to model non-ideality in phase behavior caused by hydrogen bonding. Advantageously, this equation only needs two and one parameters to treat self- and cross association, respectively, which were determined for methanol/water and ethanol/water mixture in this study. In this respect, DA was coupled with PR and SRK EOS to account for physical interaction between molecules. Notably, DA-PR persistently provides more accurate prediction than DA-SRK for both aqueous methanol and ethanol solutions. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：126 / 133

页数：8

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