Regulation of interlayer channels of graphene oxide nanosheets in ultra-thin Pebax mixed-matrix membranes for CO<sub>2</sub> capture

Feifan Yang; Yuanhang Jin; Jiangying Liu; Haipeng Zhu; Rong Xu; Fenjuan Xiangli; Gongping Liu; Wanqin Jin

doi:10.1016/j.cjche.2023.11.012

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Regulation of interlayer channels of graphene oxide nanosheets in ultra-thin Pebax mixed-matrix membranes for CO₂ capture

Updated：2026-01-06

- Regulation of interlayer channels of graphene oxide nanosheets in ultra-thin Pebax mixed-matrix membranes for CO₂ capture
- Chinese Journal of Chemical Engineering Vol. 67, Issue 3, Pages: 257-267(2024)
- Affiliations：
  
  1. State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University,Nanjing,China,211816
  2. Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University,Changzhou,China,213164
  3. Shandong Production and Research Long Membrane Technology Development Co., Ltd., Yantai Economic Development Zone,Yantai,China,265505
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2023.11.012
  CLC：
- Published：2024
- Accepted：
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capture[J]. 中国化学工程学报, 2024, 67(3): 257-267.
DOI：

capture[J]. 中国化学工程学报, 2024, 67(3): 257-267. DOI： 10.1016/j.cjche.2023.11.012.

摘要

Abstract

For the application of carbon capture by membrane process

it is crucial to develop a highly permeable CO

-selective membrane. In this work

we reported an ultra-thin polyether-block-amide (Pebax) mixedmatrix membranes (MMMs) incorporated by graphene oxide (GO)

in which the interlayer channels were regulated to optimize the CO

separation performance. Various membrane preparation conditions were systematically investigated on the influence of the membrane structure and separation performance

including the lateral size of GO nanosheets

GO loading

thermal reduction temperature

and time. The results demonstrated that the precisely regulated interlayer channel of GO nanosheets can rapidly provide CO

-selective transport channels due to the synergetic effects of size sieving and preferential adsorption. The GO/Pebax ultra-thin MMMs exhibited CO

selectivity of 72 and CO

permeance of 400 GPU (1 GPU = 10

-6

(STP)·cm

-2

·s

-1

·cmHg

-1

)

providing a promising candidate for CO

capture.

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⁰

Regulation of interlayer channels of graphene oxide nanosheets in ultra-thin Pebax mixed-matrix membranes for CO2 capture

DOI：10.1016/j.cjche.2023.11.012

摘要

Abstract

关键词

Keywords

references

Regulation of interlayer channels of graphene oxide nanosheets in ultra-thin Pebax mixed-matrix membranes for CO₂ capture