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

N. F. A. Rozuki, M.H. Tajuddin and N. Yusof ()
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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.

Environment & Ecosystem Science (EES), 2018, vol. 2, issue 2, 11-14

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.

Keywords: Gas separation; Volatile solvent; Tetrahydrofuran; Polysulfone. (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbnees:v:2:y:2018:i:2:p:11-14

DOI: 10.26480/ees.02.2018.11.14

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