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Prediction of solubilities of salts, osmotic coefficients and vapor-liquid equilibria for single and mixed solvent electrolyte systems using the LIQUAC model
Huang, Junqi ; Li, Jiding ; Gmehling, Juergen
2010-10-12 ; 2010-10-12
关键词Electrolyte solution Salt solubility LIQUAC VLE Osmotic coefficient EXTENDED UNIQUAC MODEL SOLID EQUILIBRIA TERNARY-SYSTEMS G(E) MODEL THERMODYNAMIC PROPERTIES PHASE-EQUILIBRIA SODIUM-CHLORIDE WATER POTASSIUM NONELECTROLYTES Thermodynamics Chemistry, Physical Engineering, Chemical
中文摘要The electrolyte model LIQUAC has been used up till now to predict osmotic coefficients, mean ion activity coefficients, the vapor-liquid equilibrium (VLE) behavior, the solubility of gases in single and mixed solvent electrolyte systems, and solubilities of salts in aqueous solutions. In this paper, the required expressions for the calculation of salt solubilities not only in aqueous systems, but also in organic solvents and water-solvent electrolyte systems were deduced in detail based on the LIQUAC model with a fixed reference state and thermodynamic relations. Four salts (NaCl, KCl, NH4Cl and NaF) and two solvent (water and methanol) were selected to test the derived expressions. The results show that the LIQUAC model with a fixed reference state can be used to predict osmotic coefficients, solubilities of salts in aqueous solutions, vapor-liquid equilibria, and the solubilities of salts in water-organic solvent systems with strong electrolytes. (C) 2008 Elsevier B.V. All rights reserved.
语种英语 ; 英语
出版者ELSEVIER SCIENCE BV ; AMSTERDAM ; PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
内容类型期刊论文
源URL[http://hdl.handle.net/123456789/79514]  
专题清华大学
推荐引用方式
GB/T 7714
Huang, Junqi,Li, Jiding,Gmehling, Juergen. Prediction of solubilities of salts, osmotic coefficients and vapor-liquid equilibria for single and mixed solvent electrolyte systems using the LIQUAC model[J],2010, 2010.
APA Huang, Junqi,Li, Jiding,&Gmehling, Juergen.(2010).Prediction of solubilities of salts, osmotic coefficients and vapor-liquid equilibria for single and mixed solvent electrolyte systems using the LIQUAC model..
MLA Huang, Junqi,et al."Prediction of solubilities of salts, osmotic coefficients and vapor-liquid equilibria for single and mixed solvent electrolyte systems using the LIQUAC model".(2010).
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