Vapor-Liquid Equilibrium Study on Ternary Aqueous Solutions of Volatile Weak Electrolytes——NH_3-CO_2-H_2O,NH_3-H_2S-H_2O andNH_3-SO_2-H_2O Systems

周家驹; 许志宏

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Vapor-Liquid Equilibrium Study on Ternary Aqueous Solutions of Volatile Weak Electrolytes——NH_3-CO_2-H_2O,NH_3-H_2S-H_2O andNH_3-SO_2-H_2O Systems

更新时间：2025-12-16

- Vapor-Liquid Equilibrium Study on Ternary Aqueous Solutions of Volatile Weak Electrolytes——NH_3-CO_2-H_2O,NH_3-H_2S-H_2O andNH_3-SO_2-H_2O Systems
- CIESC Journal Issue 3, (1983)
- 作者机构：
  
  中国科学院化工冶金研究所,中国科学院化工冶金研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 September 1983，
  
  Published：25 September 1983
- 稿件说明：
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周家驹, 许志宏. Vapor-Liquid Equilibrium Study on Ternary Aqueous Solutions of Volatile Weak Electrolytes——NH_3-CO_2-H_2O,NH_3-H_2S-H_2O andNH_3-SO_2-H_2O Systems[J]. CIESC Journal, 1983, (3).
DOI：

周家驹, 许志宏. Vapor-Liquid Equilibrium Study on Ternary Aqueous Solutions of Volatile Weak Electrolytes——NH_3-CO_2-H_2O,NH_3-H_2S-H_2O andNH_3-SO_2-H_2O Systems[J]. CIESC Journal, 1983, (3). DOI：

摘要

在Edwards通用性分子热力学模型中增加了三元相互作用项

应用优化若干可调参数的方法研究了弱电解质水溶液三元系的汽液平衡.编制了通用性FORTRAN计算程序PARA_9

在TQ-16机上实施.该程序具有弹性功能:可以直接计算

亦可优化参数.对NH_3-CO_2-H_2O、NH_3-H_2S-H_2O、NH_3-SO_2-H_2O三个体系进行处理获得满意结果

平均相对误差5—10%.同时给出了几组可调参数数值

并得到了溶液中离子和分子的活度系数

平衡浓度等有价值的信息.

Abstract

In this paper we have systematically studied V-L equilibrium in ternary aqueous solutions containing volatile weak electrolytes by introducing a ternary interaction term into Edwards generalized molecular thermodynamic model and optimizing several adjustable parameters. The program PARA9 with flexible functions of doing a series of calculations has been developed and carried out on a TQ-16 computer. It can be used either for direct calculation of V-L equilibrium or optimizing the adjustable parameters. For the systems (NH3-CO2-H2O

NH3-H2S-H2O and NH3-SO2-H2O) satisfactory results have been obtained with relative mean deviation of 5-10%. Besides

several sets of adjustable parameters and valuable information of activity coefficients and equilibrium concentrations of ions and molecules in solutions are obtained.

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