화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.27, 341-346, July, 2015
DOI10.1016/j.jiec.2015.01.012  Export Citation
Solution and diffusion properties of organic sulfur in poly[bis(phenoxy)phosphazene] by inverse gas chromatography
Wei Zhang, Naixin Wang, Shulan Ji†, and Jiding Li1, †
  • Beijing Key Laboratory for Green Catalysis and Separation, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
  • 1The State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 10084, China
E-mail:,
In this work, the solution and diffusion properties of n-heptane, thiophene, 2-methylthiophene, 2,5-dimethylthiophene, ethyl sulfide, butyl mercaptan in poly[bis(phenoxy)phosphazene] (PBPP) were studied by inverse gas chromatography. The infinite dilute activity coefficients and diffusion coefficients were determined. Effects of temperatures and solvent species on the activity coefficients and diffusion coefficients were investigated. The results showed that higher temperature was beneficial for both solution and diffusion process. Compared with pervaporation desulfurization performance in our previous work, the order of infinite dilute diffusion coefficients was in agreement with that of partial flux, which indicated that diffusion decided the permeability within solution?diffusion model.
Keywords:Infinite dilute activity coefficient;Infinite dilute diffusion coefficient;Poly[bis(phenoxy)phosphazene];Inverse gas chromatography
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