Improved CO
2 Capture and Catalytic Hydrogenation Using Amino Acid Based Ionic Liquids.
CHEMSUSCHEM 2022;
15:e202201502. [PMID:
36164963 PMCID:
PMC10092562 DOI:
10.1002/cssc.202201502]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/23/2022] [Indexed: 06/16/2023]
Abstract
A series of alkyl ammonium (or imidazolium) based ionic liquids was tested as novel and potentially green absorbent for CO2 capture and utilization. By exploiting various amino acids as counter ions for ionic liquids, CO2 capture and hydrogenation to formate occur with high activity and excellent productivity utilizing arginine. The reaction was easily scalable without any significant drop in formate production, and the catalyst was reused for five consecutive runs leading to an overall TON of 12,741 for the formation of formate salt.
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