Recent advances in graphene-based membranes for CO2 separation

被引：0
|
作者：
Zhao G. [1 ]
Pan G. [1 ]
Zhang Y. [1 ]
Yu H. [1 ]
Zhao M. [1 ]
Tang G. [1 ]
Liu Y. [1 ]
机构：
[1] SINOPEC Beijing Research Institute of Chemical Industry, Beijing
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2022年 / 41卷 / 11期
关键词：
carbon dioxide separation; interface regulation; mixed matrix membrane; two-dimensional materials;
D O I：
10.16085/j.issn.1000-6613.2022-0164
中图分类号：
学科分类号：
摘要：
The development of CO2 separation technologies with high efficiency and energy effectiveness has practical and long-term significance. Membrane based CO2 separation has become a promising approach owing to its low energy consumption, easy operation, small footprint and cost effectiveness. Currently, the focus of membrane research is searching for novel membrane materials with excellent transport characteristics. Graphene and its derivatives have gained great attention in the field of gas separation because of the atomic thickness, sub-nano pore size and excellent mechanical, thermal and chemical stability. The limiting factors for the practical applications include the difficulties in processing, technological cost, large-area fabrication and membrane working stability. Graphene-based CO2 separation membranes can be categorized as: nanoporous graphene, lamellar graphene oxide membranes and mixed matrix membranes with graphene and its derivatives as the nanofillers. The review summarized outstanding breakthroughs regarding graphene-based CO2 separation membranes, emphasizing the gas transport mechanisms and structure-property relationships. Optimization strategies based on rational design and the underlying mechanisms discussed. Challenges analyzed and the potential research directions proposed. Systematic theoretical research should be conducted combined with advanced characterization methods to establish structure-property relationship of membranes. In addition, the cost-effectiveness and working stability vital for the practical applications. © 2022 Chemical Industry Press. All rights reserved.
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页码：5896 / 5911
页数：15
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