The Simulation Study of A Reactor-Three PhaseAzeotropic Distillation Tower System ( I ) Themodynamic Models and Calculations for AQuaternary System of Acetic Acid-Ethanol-Water-Ethyl Acetate

Jing Wenkui and Yang Youqi(Computing Center; Ministry of Chemical Industry)

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The Simulation Study of A Reactor-Three PhaseAzeotropic Distillation Tower System ( I ) Themodynamic Models and Calculations for AQuaternary System of Acetic Acid-Ethanol-Water-Ethyl Acetate

更新时间：2025-12-16

- The Simulation Study of A Reactor-Three PhaseAzeotropic Distillation Tower System ( I ) Themodynamic Models and Calculations for AQuaternary System of Acetic Acid-Ethanol-Water-Ethyl Acetate
- CIESC Journal Issue 2, (1987)
- 作者机构：
  
  化工部计算中心,化工部计算中心
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 June 1987，
  
  Published：25 June 1987
- 稿件说明：
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Jing Wenkui and Yang Youqi(Computing Center, Ministry of Chemical Industry). The Simulation Study of A Reactor-Three PhaseAzeotropic Distillation Tower System ( I ) Themodynamic Models and Calculations for AQuaternary System of Acetic Acid-Ethanol-Water-Ethyl Acetate[J]. CIESC Journal, 1987, (2).
DOI：

Jing Wenkui and Yang Youqi(Computing Center, Ministry of Chemical Industry). The Simulation Study of A Reactor-Three PhaseAzeotropic Distillation Tower System ( I ) Themodynamic Models and Calculations for AQuaternary System of Acetic Acid-Ethanol-Water-Ethyl Acetate[J]. CIESC Journal, 1987, (2). DOI：

摘要

本文提供醋酸—乙醇—水—醋酸乙酯四元体系的热力学模型和计算方法

为带反应器的恒沸精馏计算所需的相平衡和热量平衡计算提供方法和依据.该四元体系的液相具有强极性

在一定温度下分层;气相存在醋酸分子缔合.除醋酸外的其它三组分间存在三元或二元共沸物.计算模型考虑到这些特点.ASOG模型用于计算活度系数

并与UNIFAC模型作了比较.用经验方法处理醋酸分子在气相中的缔合.热力学性质的计算结果与实验数据(共150组)在合理的误差范围内吻台.本文的模型和方法用于带反应器的精馏塔计算时可拟合实际生产数据.

Abstract

Specific thermodynamic models for a quaternary system of acetic acid-ethanol-water-ethyl acetate are established. The system is a strong polar mixture. With the exception of acetic acid azeotropic compounds exist in between the three other components. Furthermore

association of acetic acid in the vapor phase occurs in the system. All these features

tending to make calculations more camplex than ever

are taken into consideration. The ASOG combined model is chosen for calculating vapor-liquid equilibria

as well as for liquid-liquid equilibria and enthalpies.In calculating vapor-liquid and liquid-liquid equilibria

results from ASOG model are com pared with those from UNIFAC model. The thermodynamic models presented in this paper correlate very well with about 150 experimental data and are successfully used in the simulation of an industrial tower integrated with a reboiler as a reactor.

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