VAPOR-LIQUID EQUILIBRIA OF POLYMER SOLUTION USING UNIQUAC
Author(s): Wan HaoInstitute of Chemical Metallurgy, Chinese Academy of Sciences, Beijing 100080, ChinaHelle S. ElbroInstitut for Kemiteknik, Danmarks Tekniske Hφjskole, 2800 Lyngby, Danmark
Pages: 29-36
Year: 1993 Issue: 3
Journal: Chinese Journal of Chemical Engineering
Keyword: polymer solution; UNIQUAC model; VLE correlation; polymer databank;
Abstract: The UNIQUAC excess Gibbs energy model of Abrams and Prausnitz (1975) is extended to represent the vapor-liquid equilibria of polymer solution with only two adjustable parameters. Discussions on the application of the Staverman-Guggenheim and the Flory-Huggins combinatorial contribution in the UNIQUAC model are given in this paper. The UNIQUAC model with either Staverman-Guggenheim or Flory-Huggins combinatorial expression presents results with about the same accuracy for polymer solutions. Comparisons between the UNIQUAC model and the Flory equation show that the UNIQUAC model can give some better results than the Flory equation in general.
Pages: 29-36
Year: 1993 Issue: 3
Journal: Chinese Journal of Chemical Engineering
Keyword: polymer solution; UNIQUAC model; VLE correlation; polymer databank;
Abstract: The UNIQUAC excess Gibbs energy model of Abrams and Prausnitz (1975) is extended to represent the vapor-liquid equilibria of polymer solution with only two adjustable parameters. Discussions on the application of the Staverman-Guggenheim and the Flory-Huggins combinatorial contribution in the UNIQUAC model are given in this paper. The UNIQUAC model with either Staverman-Guggenheim or Flory-Huggins combinatorial expression presents results with about the same accuracy for polymer solutions. Comparisons between the UNIQUAC model and the Flory equation show that the UNIQUAC model can give some better results than the Flory equation in general.
Related Articles