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Ayeshe Moazezbarabadi

CO₂ capture using amino acid-based ionic liquids and subsequent hydrogenation to formate and methanol

Universität Rostock, 12.11.2025

https://doi.org/10.18453/rosdok_id00005926

Abstract: This dissertation explores amino acid-based ionic liquids as sustainable alternatives to conventional amine systems for integrated CO₂ capture and conversion. Tetrabutylammonium L-argininate ([TBA][Arg]) showed high CO₂ absorption capacity and enabled efficient hydrogenation of captured CO₂ to formate and methanol using the Ru-MACHO-BH catalyst. The system was effective for both concentrated CO₂ streams and direct air capture, demonstrating its potential for sustainable carbon utilization and the development of integrated CO₂ capture and conversion technologies.

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