A new model in correlating and calculating the solid-liquid equilibrium of salt-water systems

doi:10.1016/j.cjche.2016.01.008

›› 2016, Vol. 24 ›› Issue (8): 1056-1064.DOI: 10.1016/j.cjche.2016.01.008

• Chemical Engineering Thermodynamics • 上一篇下一篇

A new model in correlating and calculating the solid-liquid equilibrium of salt-water systems

Xianzhen Xu, Yangdong Hu, Lianying Wu, Xia Chen

College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shandong 266100, China

收稿日期:2015-09-29 修回日期:2015-12-02 出版日期:2016-08-28 发布日期:2016-09-21
通讯作者: Yangdong Hu
基金资助:
Supported by the National Natural Science Foundation of China (21376231).

A new model in correlating and calculating the solid-liquid equilibrium of salt-water systems

Xianzhen Xu, Yangdong Hu, Lianying Wu, Xia Chen

College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shandong 266100, China

Received:2015-09-29 Revised:2015-12-02 Online:2016-08-28 Published:2016-09-21
Supported by:
Supported by the National Natural Science Foundation of China (21376231).

摘要/Abstract

摘要： In this work, a new activity coefficient model was deduced for the correlation of solid-liquid equilibrium (SLE) in electrolyte solutions. The new excess Gibbs energy equation for SLE contains two parts:the single electrolyte item and the mixed electrolyte item. Then a new hypothesis for the reference state of activity coefficients was proposed in the work. Literature data for single electrolyte solution and mixed electrolyte solution systems, with temperature spanning from 273.15 to 373.15 K, were successfully correlated using the developed model.

关键词: Thermodynamic, Electrolyte solution, Activity coefficient model, SLE, Modeling

Abstract: In this work, a new activity coefficient model was deduced for the correlation of solid-liquid equilibrium (SLE) in electrolyte solutions. The new excess Gibbs energy equation for SLE contains two parts:the single electrolyte item and the mixed electrolyte item. Then a new hypothesis for the reference state of activity coefficients was proposed in the work. Literature data for single electrolyte solution and mixed electrolyte solution systems, with temperature spanning from 273.15 to 373.15 K, were successfully correlated using the developed model.

Key words: Thermodynamic, Electrolyte solution, Activity coefficient model, SLE, Modeling

Xianzhen Xu, Yangdong Hu, Lianying Wu, Xia Chen. A new model in correlating and calculating the solid-liquid equilibrium of salt-water systems[J]. , 2016, 24(8): 1056-1064.

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A new model in correlating and calculating the solid-liquid equilibrium of salt-water systems

A new model in correlating and calculating the solid-liquid equilibrium of salt-water systems

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