New Thermodynamics Model for Solvent Activity of Aqueous Polymer Solutions
Publish place: 07th International Congress on Chemical Engineering
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC07_077
تاریخ نمایه سازی: 25 فروردین 1394
Abstract:
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 theoryfor 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 fromthe models that consider physical contribution only.
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Authors
Seyed Ashkan Seyed 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
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