Use of UNIQUAC’s Model to Calculate mineral solubilities in Aqueous Electrolyte solutions of Ternary Systems
Publish place: 8th National Iranian Chemical Engineering Congress
Publish Year: 1382
Type: Conference paper
Language: English
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Document National Code:
NICEC08_068
Index date: 27 February 2008
Use of UNIQUAC’s Model to Calculate mineral solubilities in Aqueous Electrolyte solutions of Ternary Systems abstract
The activity coefficients of ions in the several ternary systems have been calculated by the UNIQUAC model. Using these values of activity coefficients in the equilibrium equation , the solubilities of solids in the aqueous electrolyte solutions have been calculated. These calculations are performed for Na2SO4-NaCl-H2O, Na2SO4,10H2O -NaCl-H2O, K2SO4-KCl- H2O and K2SO4-Na2SO4-H2O systems. The comparison of the calculated results with the experimental data shows that the UNIQUAC model is able to give a good representation of the solid-liquid phase equilibria in these mineral solutions in the whole temperature range from 273.15 to 373.15K.
Use of UNIQUAC’s Model to Calculate mineral solubilities in Aqueous Electrolyte solutions of Ternary Systems Keywords:
Use of UNIQUAC’s Model to Calculate mineral solubilities in Aqueous Electrolyte solutions of Ternary Systems authors
Mohammad Nader Lotfollahi
Department of Chemical Engineering, Semnan University, Semnan
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