Solubility of Gas in Aqueous Single Salt Solution

左有祥; 郭天民

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Solubility of Gas in Aqueous Single Salt Solution

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- Solubility of Gas in Aqueous Single Salt Solution
- CIESC Journal Issue 3, (1991)
- 作者机构：
  
  石油大学北京研究生部,石油大学北京研究生部 ,北京,北京
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 June 1991，
  
  Published：25 June 1991
- 稿件说明：
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左有祥, 郭天民. Solubility of Gas in Aqueous Single Salt Solution[J]. CIESC Journal, 1991, (3).
DOI：

左有祥, 郭天民. Solubility of Gas in Aqueous Single Salt Solution[J]. CIESC Journal, 1991, (3). DOI：

摘要

本文以扰动理论为基础建立了气体在电解质溶液中溶解度的热力学模型.通过简化

只用一个可调参数关联了单个气体在单盐水溶液中的溶解度数据

取得了令人满意的结果.

Abstract

In this paper

a new expression for the Helmholtz energy of mixtures containing electrolytes as a function of temperature

density and composition is presented on the basis of perturbation theory. The new expression consists of hard sphere

electrostatic force and attraction contributions to the Helmholtz energy. For pure molecular components

the parameters are obtained by fitting experimental pure component vapor pressure

saturated-liquid density and PVT data. The ion-ion interaction parameters are determined from regression of mean ionic activity coefficient data.The solubility data for gas-water-salt systems are correlated by using only one adjustable parameter. Average absolute deviations of calculated bubble point pressures are less than 15% for most systems studied. The results are satisfactory.

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