Effect of nanoparticle loading on the polymer surface (Polyether-block-amide) in CO2/CH4 selectivity

Document Type : Research Paper


Department of Chemical Engineering, Arak Branch, Islamic Azad University, Arak, Iran


In this research, we want to separate carbon dioxide gas from methane gas. Polymer (poly-ether-block-amide) has properties that absorb carbon dioxide well. Zeolite 4 A nanoparticles have fine pores and are proportional to the kinetic diameter of carbon dioxide, so they can act as a molecular sieve in the membrane, this nanoparticle was added to the polymer to obtain Pebax/4A nanocomposite membrane. Nanoparticles can improve carbon dioxide emissions and the thermal and mechanical stability of membranes. In this research, we want to investigate the effect of nano zeolite loading on the permeability and selectivity of carbon dioxide. By adding nanoparticles to the polymer, its structure was changed, so the nanocomposite membrane was evaluated by FESEM, BET, FTIR, and analyses. Finally, permeability, selectivity, diffusion coefficient, and solubility coefficient of carbon dioxide were calculated.


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Volume 14, Issue 1
January 2023
Pages 3083-3096
  • Receive Date: 13 April 2022
  • Revise Date: 20 June 2022
  • Accept Date: 27 June 2022