Self-enhancement of CO reversible absorption accompanied by phase transition in protic chlorocuprate ionic liquids for effective CO separation from N2

Self-enhancement of CO reversible absorption accompanied by phase transition in protic chlorocuprate ionic liquids for effective CO separation from N2

An efficient strategy for the high-capacity capture of CO is reported, and a phase change in protic chlorocuprate ionic liquids (PCILs) from liquid to solid is found during CO absorption. The highest CO capacity is 0.96 molCO molIL−1, being at least 150 times higher than that in [BMIM][PF6]. Both ab...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2019, Vol.55 (23), p.3390-3393
Hauptverfasser: Tu, Zhuo-Heng, Zhang, Yi-Yang, Wu, You-Ting, Hu, Xing-Bang
Format: Artikel
Sprache:eng
Schlagworte:
Absorption
Ionic liquids
Ions
Phase transitions
Separation
Solvents
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Zusammenfassung:An efficient strategy for the high-capacity capture of CO is reported, and a phase change in protic chlorocuprate ionic liquids (PCILs) from liquid to solid is found during CO absorption. The highest CO capacity is 0.96 molCO molIL−1, being at least 150 times higher than that in [BMIM][PF6]. Both absorption and membrane permeation reveal that the PCILs are potential for the selective separation of CO from N2.
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc00089e