Optimization of the gas separation performance of polyurethane-zeolite 3A and ZSM-5 mixed matrix membranes using response surface methodology

Hajar Taheri Afarani; Morteza Sadeghi; Ahmad Moheb; Ebrahim Nasr Esfahani

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Optimization of the gas separation performance of polyurethane-zeolite 3A and ZSM-5 mixed matrix membranes using response surface methodology

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

- Optimization of the gas separation performance of polyurethane-zeolite 3A and ZSM-5 mixed matrix membranes using response surface methodology
- Optimization of the gas separation performance of polyurethane-zeolite 3A and ZSM-5 mixed matrix membranes using response surface methodology
- 中国化学工程学报（英文版） 2019年27卷第1期页码：110-129
- Affiliations：
  
  2 Department of Chemical Engineering, Isfahan University of Technology, Isfahan,Iran,84156-8311
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：2019
- Accepted：
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Hajar Taheri Afarani, Morteza Sadeghi, Ahmad Moheb, 等. Optimization of the gas separation performance of polyurethane-zeolite 3A and ZSM-5 mixed matrix membranes using response surface methodology[J]. 中国化学工程学报（英文版）, 2019,27(1):110-129.

Hajar Taheri Afarani, Morteza Sadeghi, Ahmad Moheb, Ebrahim Nasr Esfahani. Optimization of the gas separation performance of polyurethane-zeolite 3A and ZSM-5 mixed matrix membranes using response surface methodology[J]. Chin.J.Chem.Eng., 2019, 27(1): 110-129.
Hajar Taheri Afarani, Morteza Sadeghi, Ahmad Moheb, 等. Optimization of the gas separation performance of polyurethane-zeolite 3A and ZSM-5 mixed matrix membranes using response surface methodology[J]. 中国化学工程学报（英文版）, 2019,27(1):110-129. DOI：

Hajar Taheri Afarani, Morteza Sadeghi, Ahmad Moheb, Ebrahim Nasr Esfahani. Optimization of the gas separation performance of polyurethane-zeolite 3A and ZSM-5 mixed matrix membranes using response surface methodology[J]. Chin.J.Chem.Eng., 2019, 27(1): 110-129. DOI：

摘要

Abstract

In the present work

the response surface method software was used with five measurement levels with three factors. These were applied for the optimization of operating parameters that affected gas separation performance of polyurethane-zeolite 3A

ZSM-5 mixed matrix membranes. The basis of the experiments was a rotatable central composite design (CCD). The three independent variables studied were:zeolite content (0-24 wt%)

operating temperature (25-45℃) and operating pressure (0.2-0.1 MPa). The effects of these three variables on the selectivity and permeability membranes were studied by the analysis of variance (ANOVA). Optimal conditions for the enhancement of gas separation performances of polyurethane-3A zeolite were found to be 18 wt%

30℃ and 0.8 MPa respectively. Under these conditions

the permeabilities of carbon dioxide

methane

oxygen and nitrogen gases were measured at 138.4

22.9

15.7 and 6.4 Barrer respectively while the CO

/CH

and O

selectivities were 5.8

22.5 and 2.5

respectively. Also

the optimal conditions for improvement of the gas separation pe

rformance of polyurethane-ZSM 5 were found to be 15.64 wt%

30℃ and 4 bar. The permeabilities of these four gases (i.e. carbon dioxide

methane

oxygen and nitrogen) were 164.7

21.2

21.5 and 8.1 Barrer while the CO

/CH

and O

selectivities were 7.8

20.6 and 2.7 respectively.

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