Author/Authors :
Ashkan Zonnouri Department of Chemical and Petroleum Engineering,Islamic Azad University,Masjed Soleyman Branch, Masjed Soleyman,Iran , Rahmat Sadeghi Department of Chemical and Petroleum Engineering,Islamic Azad University,Masjed Soleyman Branch, Masjed Soleyman,Iran , Yasaman Shahebrahimi Department of Chemical and Petroleum Engineering,Islamic Azad University,Masjed Soleyman Branch, Masjed Soleyman,Iran
كليدواژه :
Aqueous Polymer Solution , Vapor-liquid Equilibria , Solvent Activities , Thermodynamics Model , Solvation
چكيده لاتين :
The objective of this work was to improve the accuracy of thermodynamics model for prediction
of solvent activities in aqueous polymer solutions by considering new model with (1) chemical
theory to account chemical reaction (solvation) between solute and solvent,(2) Flory-Huggins theory
for the difference of molecular volumes, and (3) NRTL equation for the interaction between
molecules.The utility of the model is demonstrated successful representation of the vapor-liquid
equilibria of several aqueous polymer solution. The results are compared with those obtained from
the models that consider physical contribution only
