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A novel CO 2 ‐selective synthesized amine‐impregnated cross‐linked polyvinylalcohol/glutaraldehyde membrane: fabrication, characterization, and gas permeation study

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  • Abtin Ebadi Amooghin
  • Mona Zamani Pedram
  • Mohammadreza Omidkhah
  • Reza Yegani

Abstract

In this paper, polyvinyl alcohol (PVA) membranes impregnated with amines (monoethanolamine and diethanolamine) were prepared for CO 2 /N 2 separation. The cross‐linking of DEA impregnated PVA by glutaraldehyde (GA) with different mass ratios (GA/PVA: 0.5, 1, 3, 5, 7%) were investigated with no use of acid catalyst or organic solvents. The effects of the amine type‐concentration, cross‐linking agent content, and feed pressure as well as stability were examined in both pure and mixed gases. Generally, CO 2 /N 2 performance through the DEA‐PVA membranes was higher than that of MEA‐PVA membranes. The fabricated membranes were characterized by differential scanning calorimetry (DSC), Fourier transform infrared (FTIR) and scanning electron microscopy (SEM). The cross‐linked membranes showed reasonable CO 2 /N 2 permselectivities in comparison with uncross‐linked membranes and these are recommended for high performance membrane for CO 2 /N 2 separation. The best‐yielding membranes (DEA‐PVA/GA(1 wt%)/PTFE) represented the greatest CO 2 /N 2 selectivity of 122.04 and 907.06 for pure and mixed gas experiments, respectively.

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  • Abtin Ebadi Amooghin & Mona Zamani Pedram & Mohammadreza Omidkhah & Reza Yegani, 2013. "A novel CO 2 ‐selective synthesized amine‐impregnated cross‐linked polyvinylalcohol/glutaraldehyde membrane: fabrication, characterization, and gas permeation study," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 3(5), pages 378-391, October.
    • Handle: RePEc:wly:greenh:v:3:y:2013:i:5:p:378-391
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    File URL: http://hdl.handle.net/10.1002/ghg.1369
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    Cited by:

    1. Mahsa Loloei & Abdolreza Moghadassi & Mohammadreza Omidkhah & Abtin Ebadi Amooghin, 2015. "Improved CO 2 separation performance of Matrimid®5218 membrane by addition of low molecular weight polyethylene glycol," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 5(5), pages 530-544, October.
    2. Hamidreza Sanaeepur & Bahram Nasernejad & Ali Kargari, 2015. "Cellulose acetate/nano‐porous zeolite mixed matrix membrane for CO2 separation," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 5(3), pages 291-304, June.

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