Polyurethane-SAPO-34 mixed matrix membrane for CO2/CH4 and CO2/N2 separation

Gholamhossein Sodeifian; Mojtaba Raji; Morteza Asghari; Mashallah Rezakazemi; Amir Dashti

doi:10.1016/j.cjche.2018.03.012

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Polyurethane-SAPO-34 mixed matrix membrane for CO₂/CH₄ and CO₂/N₂ separation

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

- Polyurethane-SAPO-34 mixed matrix membrane for CO₂/CH₄ and CO₂/N₂ separation
- Polyurethane-SAPO-34 mixed matrix membrane for CO₂/CH₄ and CO₂/N₂ separation
- 中国化学工程学报（英文版） 2019年27卷第2期页码：322-334
- Affiliations：
  
  2 Faculty of Chemical and Materials Engineering, Shahrood University of Technology, Shahrood,Iran
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.03.012
  中图分类号：
- 纸质出版：2019
- Accepted：
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Gholamhossein Sodeifian, Mojtaba Raji, Morteza Asghari, 等. Polyurethane-SAPO-34 mixed matrix membrane for CO₂/CH₄ and CO₂/N₂ separation[J]. 中国化学工程学报（英文版）, 2019,27(2):322-334. DOI: 10.1016/j.cjche.2018.03.012.

/CH
Gholamhossein Sodeifian, Mojtaba Raji, Morteza Asghari, 等. Polyurethane-SAPO-34 mixed matrix membrane for CO₂/CH₄ and CO₂/N₂ separation[J]. 中国化学工程学报（英文版）, 2019,27(2):322-334. DOI: 10.1016/j.cjche.2018.03.012. DOI：

/CH DOI： 10.1016/j.cjche.2018.03.012.

摘要

Abstract

SAPO-34 nanocrystals (inorganic filler) were incorporated in polyurethane membranes and the permeation properties of CO

and N

gases were explored. In this regard

the synthesized PU-SAPO-34 mixed matrix membranes (MMMs) were characterized via SEM

AFM

TGA

XRD and FTIR analyses. Gas permeation properties of PU-SAPO-34 MMMs with SAPO-34 contents of 5 wt%

10 wt% and 20 wt% were investigated. The permeation results revealed that the presence of 20 wt% SAPO-34 resulted in 4.45%

18.24% and 40.2% reductions in permeability of CO

and N

respectively

as compared to the permeability of neat polyurethane membrane. Also

the findings showed that at the pressure of 1.2 MPa

the incorporation of 20 wt% SAPO-34 into the polyurethane membranes enhanced the selectivity of CO

/CH

and CO

14.43 and 37.46%

respectively. In this research

PU containing 20 wt% SAPO-34 showed the best separation performance. For the first time

polynomial regression (PR) as a simple yet accurate tool yielded a mathematical equation for the prediction of permeabilities with

high accuracy (R

99%).

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