Prediction of Henry's constant in polymer solutions using PCOR equation of state coupled with an activity coefficient model

Somayeh Tourani; Alireza Behvandi; Farhad Khorasheh

doi:10.1016/j.cjche.2014.12.001

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Prediction of Henry's constant in polymer solutions using PCOR equation of state coupled with an activity coefficient model

化工热力学 | Updated：2026-01-06

- Prediction of Henry's constant in polymer solutions using PCOR equation of state coupled with an activity coefficient model
- Chinese Journal of Chemical Engineering Vol. 23, Issue 3, Pages: 528-535(2015)
- Affiliations：
  
  1. Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr,Iran
  2. Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran,Iran
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.12.001
  CLC：
- Published：2015
- Accepted：
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Somayeh Tourani, Alireza Behvandi, Farhad Khorasheh. Prediction of Henry's constant in polymer solutions using PCOR equation of state coupled with an activity coefficient model[J]. , 2015, 23(3): 528-535.
DOI：

Somayeh Tourani, Alireza Behvandi, Farhad Khorasheh. Prediction of Henry's constant in polymer solutions using PCOR equation of state coupled with an activity coefficient model[J]. , 2015, 23(3): 528-535. DOI： 10.1016/j.cjche.2014.12.001.

摘要

Abstract

In this paper

the polymer chain of rotator (PCOR) equation of state (EOS) was used together with an EOS/

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 derWaals 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

and

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.

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