Studies on Vapor-Liquid Equilibria for Salt-Containing Systems by Equation of State——Measurement and Correlation of VaporPressures for Salt Solutions

Li Bogen; Lub Youshou and Zhu Ziqiang(Department of Chemical Engineering; Zhejiang University)

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Studies on Vapor-Liquid Equilibria for Salt-Containing Systems by Equation of State——Measurement and Correlation of VaporPressures for Salt Solutions

更新时间：2025-12-16

- Studies on Vapor-Liquid Equilibria for Salt-Containing Systems by Equation of State——Measurement and Correlation of VaporPressures for Salt Solutions
- CIESC Journal Issue 1, (1986)
- 作者机构：
  
  浙江大学化工系,浙江大学化工系,浙江大学化工系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 March 1986，
  
  Published：25 March 1986
- 稿件说明：
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Li Bogen, Lub Youshou and Zhu Ziqiang(Department of Chemical Engineering, Zhejiang University). Studies on Vapor-Liquid Equilibria for Salt-Containing Systems by Equation of State——Measurement and Correlation of VaporPressures for Salt Solutions[J]. CIESC Journal, 1986, (1).
DOI：

Li Bogen, Lub Youshou and Zhu Ziqiang(Department of Chemical Engineering, Zhejiang University). Studies on Vapor-Liquid Equilibria for Salt-Containing Systems by Equation of State——Measurement and Correlation of VaporPressures for Salt Solutions[J]. CIESC Journal, 1986, (1). DOI：

摘要

用静态-双沸点仪比较法测定了不同温度下CaCl_2-H_2O

CaCl_2-CH_3OH

CaCl_2-C_2H_5OH

KAc-H_2O

KAc-C_2H_5OH五种溶液的蒸汽压

共132个数据点.以CCOR状态方程关联实验数据

相对平均误差为±0.42%.所得的状态方程参数可用于含盐溶液汽液平衡的计算.

Abstract

Vapor pressures were measured by the static twin-ebulliometer method at five temperatures adjacent to the normal boiling point for solutions of calcium chloride in water

in methanol and in ethanol

and for solutions of potassium acetate in water and in ethanol. The cubic chain-of-rotators (CCOR)equation of state was used to correlate the experimental data. The average deviation of correlated results is ±0.42%. The parameters of the CCOR equation of state obtained can be used for calculating vapor-liquid equilibria for other salt-containing systems.

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