Ultramicroporous carbons with extremely narrow pore size distribution via in-situ ionic activation for efficient gas-mixture separation

•Ultramicroporous carbon obtained by in-situ ionic activation.•Porous carbons with uniform and narrow pore size distribution.•Outstanding CO2 capacity & high selectivity for CO2/N2, CO2/CH4, CH4/N2 separation.•A record-high adsorbent selective parameter (S) for VSA process. Developing highly sel...

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Bibliographic Details
Published in:Chemical engineering journal (Lausanne, Switzerland : 1996) Switzerland : 1996), 2019-11, Vol.375, p.121931, Article 121931
Main Authors: Zhang, Peixin, Wang, Jun, Fan, Wei, Zhong, Yao, Zhang, Yan, Deng, Qiang, Zeng, Zheling, Deng, Shuguang
Format: Article
Language:English
Subjects:
CO2 capture
CO2/CH4/N2 separation
In-situ
Ionic activation
Narrow pore distribution
Ultramicroporous carbon
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Summary:•Ultramicroporous carbon obtained by in-situ ionic activation.•Porous carbons with uniform and narrow pore size distribution.•Outstanding CO2 capacity & high selectivity for CO2/N2, CO2/CH4, CH4/N2 separation.•A record-high adsorbent selective parameter (S) for VSA process. Developing highly selective, cycle reliable, and moisture resistant adsorbents is of great importance for gas separation. It is very challenging to control and optimize pore sizes within the ultramicroporous ranges (
ISSN:1385-8947
1873-3212
DOI:10.1016/j.cej.2019.121931