Facilitated Transport Membranes With Ionic Liquids for CO2 Separations

In recent years, significant development milestones have been reached in the areas of facilitated transport membranes and ionic liquids for CO2 separations, making the combination of these materials an incredibly promising technology platform for gas treatment processes, such as post-combustion and...

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Bibliographic Details
Published in:Frontiers in chemistry 2020-08, Vol.8, p.637-637
Main Authors: Klemm, Aidan, Lee, Yun-Yang, Mao, Hongchao, Gurkan, Burcu
Format: Article
Language:English
Subjects:
aprotic heterocyclic anion
carbon dioxide separation
Chemistry
direct air capture
facilitated transport membrane
ionic liquid
mixed matrix membrane
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Summary:In recent years, significant development milestones have been reached in the areas of facilitated transport membranes and ionic liquids for CO2 separations, making the combination of these materials an incredibly promising technology platform for gas treatment processes, such as post-combustion and direct CO2 capture from air in buildings, submarines, and spacecraft. The developments in facilitated transport membranes involve consistently surpassing the Robeson upper bound for dense polymer membranes, demonstrating a high CO2 flux across the membrane while maintaining very high selectivity. This mini review focuses on the recent developments of facilitated transport membranes, in particular discussing the challenges and opportunities associated with the incorporation of ionic liquids as fixed and mobile carriers for separations of CO2 at low partial pressures (
ISSN:2296-2646
2296-2646
DOI:10.3389/fchem.2020.00637