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Effect Of Different Solvent On Asymmetric Polysulfone (Psf) Membranes For Co2/Ch4 Separation

Author

Listed:
  • N. F. A. Rozuki

    (Advanced Membrane Technology Research Centre, Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia Johor, Malaysia.)

  • M.H. Tajuddin

    (Advanced Membrane Technology Research Centre, Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia Johor, Malaysia.)

  • N. Yusof

    (Advanced Membrane Technology Research Centre, Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia Johor, Malaysia.)

Abstract

The asymmetric membranes solution were developed for CO2/CH4 separation by mixing polysulfone (PSf) with N-Methyl-2-pyrrolidone (NMP). A volatile solvent, Tetrahydrofuran (THF) was introduced into the casting solution by various loading (0 to 75%) to form a high gas separation performance of asymmetric membranes via dry/wet phase inversion method. The produced membranes were characterized using Scanning Electron Microscopic (SEM), Fourier Transform Infrared Spectroscopy (FTIR) and gas permeability test. SEM images of a membrane with NMP as a solvent has the thickest dense layer while a membrane with THF as a solvent has the thinnest thickness of the membrane. FTIR results indicating the present of sulfur dioxide (SO2) and methyl (CH3) group at wavelength 1170 cm-1 and 2969 cm-1 respectively verifying the use of PSf as a polymer. As for gas permeation test, the used of THF as a solvent shows the highest CO2/CH4 selectivity with the lowest permeability.

Suggested Citation

  • N. F. A. Rozuki & M.H. Tajuddin & N. Yusof, 2018. "Effect Of Different Solvent On Asymmetric Polysulfone (Psf) Membranes For Co2/Ch4 Separation," Environment & Ecosystem Science (EES), Zibeline International Publishing, vol. 2(2), pages 11-14, July.
    • Handle: RePEc:zib:zbnees:v:2:y:2018:i:2:p:11-14
    DOI: 10.26480/ees.02.2018.11.14
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