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

doi:10.1016/j.cjche.2016.01.008

Abstract

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

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

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.

References

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