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Prediction of Henry's constant in polymer solutions using PCOR equation of state coupled with an activity coefficient model
Copyright policy )Elsevier BVPrediction of Henry's constant in polymer solutions using PCOR equation of state coupled with an activity coefficient model
Abstract In this paper, the polymer chain of rotator (PCOR) equation of state (EOS) was used together with an EOS/ G E mixing rule (MHV1) and the Wilson's equation as an excess-Gibbs-energy model in the proposed approach to extend the capability and improve the accuracy of the PCOR EOS for predicting the Henry's constant of solutions containing polymers. The results of the proposed method compared with two equation of state (van der Waals and GC-Flory) and three activity coefficient models (UNIFAC, UNIFAC-FV and Entropic-FV) indicated that the PCOR EOS/Wilson's equation provided more accurate results. The interaction parameters of Wilson's equation were fitted with Henry's constant experimental data and the property parameters of PCOR, a and b , were fitted with experimental volume data (Tait equation). As a result, the present work provided a simple and useful model for prediction of Henry's constant for polymer solutions.
- Islamic Azad University, Tehran Iran (Islamic Republic of)
- Sharif University of Technology Iran (Islamic Republic of)
Microsoft Academic Graph classification: Equation of state Tait equation Activity coefficient van der Waals force symbols.namesake symbols Work (thermodynamics) Volume (thermodynamics) Constant (mathematics) UNIFAC Thermodynamics Chemistry
General Chemical Engineering, General Chemistry, Biochemistry, Environmental Engineering
General Chemical Engineering, General Chemistry, Biochemistry, Environmental Engineering
Microsoft Academic Graph classification: Equation of state Tait equation Activity coefficient van der Waals force symbols.namesake symbols Work (thermodynamics) Volume (thermodynamics) Constant (mathematics) UNIFAC Thermodynamics Chemistry
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).1 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Average influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Average impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Average citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).1 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Average influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Average impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Average
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- Islamic Azad University, Tehran Iran (Islamic Republic of)
- Sharif University of Technology Iran (Islamic Republic of)
Abstract In this paper, the polymer chain of rotator (PCOR) equation of state (EOS) was used together with an EOS/ G E mixing rule (MHV1) and the Wilson's equation as an excess-Gibbs-energy model in the proposed approach to extend the capability and improve the accuracy of the PCOR EOS for predicting the Henry's constant of solutions containing polymers. The results of the proposed method compared with two equation of state (van der Waals and GC-Flory) and three activity coefficient models (UNIFAC, UNIFAC-FV and Entropic-FV) indicated that the PCOR EOS/Wilson's equation provided more accurate results. The interaction parameters of Wilson's equation were fitted with Henry's constant experimental data and the property parameters of PCOR, a and b , were fitted with experimental volume data (Tait equation). As a result, the present work provided a simple and useful model for prediction of Henry's constant for polymer solutions.