Research advances of organic framework membranes in gas separation

doi:10.11949/0438-1157.20210269

Abstract

Abstract:

Materials with high permeability, high selectivity and high stability are the critical factors to efficient membrane separation processes. Organic framework membranes (OFMs) hold great prospects in gas separation, owing to their high porosity, long-range regular structure, facilely-tailored functionality, and high stability. This review summarized the chemical compositions, structures, fabrications of OFMs and their applications in carbon dioxide capture and separation, olefin/paraffin separation and noble gas separation. Finally, the major challenges and brief perspectives of OFMs in gas separation are tentatively identified.

Key words: organic framework membrane, membrane separation, gas separation, porous materials, fabrication of membrane

摘要：

高渗透性、高选择性和高稳定性的膜材料是决定膜分离过程效率的关键。有机框架膜（organic framework membranes，OFMs）具有孔隙率高、孔道长程有序、易于官能化修饰、稳定性强等特点，在气体膜分离领域具有重要发展前景。综述了有机框架膜的化学组成、结构特征、制备方法及其在二氧化碳捕集与分离、烯烃/烷烃分离及稀有气体分离等气体分离过程中的应用。最后，对有机框架膜在气体分离领域的机遇和挑战进行了总结，并对其发展方向进行了展望。

关键词: 有机框架膜, 膜分离, 气体分离, 多孔材料, 膜制备方法

CLC Number:

TQ 028.8

WANG Shaoyu, MA Hanze, WU Hong, LIANG Xu, WANG Hongjian, ZHU Ziting, JIANG Zhongyi. Research advances of organic framework membranes in gas separation[J]. CIESC Journal, 2021, 72(7): 3488-3510.

王绍宇, 马翰泽, 吴洪, 梁旭, 王洪建, 朱姿亭, 姜忠义. 有机框架膜在气体分离中的研究进展[J]. 化工学报, 2021, 72(7): 3488-3510.

Figures/Tables 6

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