A cation–π interaction confined graphene oxide membrane for separation of light paraffins and olefins

Huiling Chen; Bing Guo; Dian Gong; Jingrui Fan; Zhi Li; Chuhao Wang; Lu Wang; Chengbing Yu; Chenyu Wang; Gaofeng Zeng

doi:10.1039/D3CC00619K

A cation–π interaction confined graphene oxide membrane for separation of light paraffins and olefins†

Huiling Chen,‡^ab Bing Guo,‡^c Dian Gong,‡^ab Jingrui Fan,^ab Zhi Li,^a Chuhao Wang,^a Lu Wang,^ab Chengbing Yu,*^d Chenyu Wang

*^c and Gaofeng Zeng

*^ab

Author affiliations

* Corresponding authors

^a CAS Key Laboratory of Low-carbon Conversion Science and Engineering, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
E-mail: zenggf@sari.ac.cn

^b School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

^c Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
E-mail: haysonwang@shsmu.edu.cn

^d School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
E-mail: ycb101@shu.edu.cn

Abstract

A supported graphene oxide membrane is endowed with selective function for olefins by a cation intercalation method. The metal-cation fixed GO membrane exhibits a high propane to propylene ideal selectivity of 1817 for single gas and a separation factor of 7.1 for binary mixtures with fast gas permeance in the order of 10⁻⁷ mol m⁻² s⁻¹ Pa⁻¹ and reliable permeation stability.

Chemical Communications

A cation–π interaction confined graphene oxide membrane for separation of light paraffins and olefins†

Abstract

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A cation–π interaction confined graphene oxide membrane for separation of light paraffins and olefins

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