Distinguished discriminatory separation of CO<sub>2</sub> from its methane-containing gas mixture via PEBAX mixed matrix membrane

Pouria Abbasszadeh Gamali; Abbass Kazemi; Reza Zadmard; Morteza Jalali Anjareghi; Azadeh Rezakhani; Reza Rahighi; Mohammad Madani

doi:10.1016/j.cjche.2017.04.002

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Distinguished discriminatory separation of CO₂ from its methane-containing gas mixture via PEBAX mixed matrix membrane

Separation Science and Engineering | Updated：2026-01-06

- Distinguished discriminatory separation of CO₂ from its methane-containing gas mixture via PEBAX mixed matrix membrane
- Chinese Journal of Chemical Engineering Vol. 26, Issue 1, Pages: 73-80(2018)
- Affiliations：
  
  1. 2 Chemical & Chemical Engineering Research Center of Iran, P. O. Box:14335-186, Tehran,Iran
  2. 3 College of Environment, Standard Square, P. O. Box:31746-118, Karaj,Iran
  3. 4 Department of Research and Development, Sharif Ultrahigh Nanotechnologists(SUN) Company, P. O. Box:13488-96394, Tehran,Iran
  4. 5 Nanotechnology Department, Agricultural Biotechnology Research Institute of Iran(ABRⅡ), AREEO, 313593 Karaj,Iran,3151
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2017.04.002
  CLC：
- Published：2018
- Accepted：
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from its methane-containing gas mixture
DOI：

from its methane-containing gas mixture DOI： 10.1016/j.cjche.2017.04.002.

摘要

Abstract

Highly selective separation of CO

from its methane-containing binary gas mixture can be achieved by using Poly(ether-block-amide) (PEBAX) mixed matrix membranes (MMMs). According to FESEM and AFM analyses

silica-based nanoparticles were homogenously integrated within the polymer matrix

facilitating penetration of CO

through the membrane while acting as barrier for methane gas. The membrane containing 4.6 wt% fumed silica (FS) (PEBAX/4.6 wt% FS) exhibits astonishing selectivity results where binary gas mixture of CO

/CH

was used as feed gas. As detected by gas chromatography

in the permeate side

data showed a significant increase of CO

permeance

while CH

transport through the mixed matrix membrane was not detectable. Moreover

PEBAX/4.6 wt% FS greatly exceeds the Robeson limit. According to data reported on CO

/CH

gas pair separation in the literature

the results achieved in this work are beyond those data reported in the literature

particularly when PEBAX/4.6 wt% FS membrane was utilized.

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Distinguished discriminatory separation of CO2 from its methane-containing gas mixture via PEBAX mixed matrix membrane

DOI：10.1016/j.cjche.2017.04.002

摘要

Abstract

关键词

Keywords

references

Distinguished discriminatory separation of CO₂ from its methane-containing gas mixture via PEBAX mixed matrix membrane