Determination of Equilibrium Vapor Composition from the Vapor Pressure or Boiling Point of the Solution by Direct Method

胡英; 英徐根

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Determination of Equilibrium Vapor Composition from the Vapor Pressure or Boiling Point of the Solution by Direct Method

更新时间：2025-12-16

- Determination of Equilibrium Vapor Composition from the Vapor Pressure or Boiling Point of the Solution by Direct Method
- CIESC Journal Issue 1, (1980)
- 作者机构：
  
  上海化工学院,上海化工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 March 1980，
  
  Published：25 March 1980
- 稿件说明：
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胡英, 英徐根. Determination of Equilibrium Vapor Composition from the Vapor Pressure or Boiling Point of the Solution by Direct Method[J]. CIESC Journal, 1980, (1).
DOI：

胡英, 英徐根. Determination of Equilibrium Vapor Composition from the Vapor Pressure or Boiling Point of the Solution by Direct Method[J]. CIESC Journal, 1980, (1). DOI：

摘要

本文提出一种由溶液的蒸汽压或沸点确定平衡气相组成的直接法。基本微分方程由Gibbs- Duhem式导得

能方便地利用迭代法求解。本方法可以顺利地应用于二元系

原则上亦可应用于多元系。提供的若干二元系与三元系实例表明

计算结果与实验值良好一致。

Abstract

A direct method for evaluating equilibrium vapor compositions from measurements of the vapor pressure or boiling point of the solutions is presented. The basic differential equations are derived from Gibbs-Duhem equation and can be solved easily by iterative method. This method can be successfully used for binary systems

and in principle can also be applied to multicomponent systems. Several examples of binaries and ternaries are presented for demonstration. Calculated results are in good agreement with experimental data.

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