CO 2 Capture, Utilization, and Storage using Amino Acids
Source abstract
Abstract
Abstract The capture, utilization, and storage of CO 2 are the primary options to minimize the adverse effects of global warming and related climate change resulting from increased anthropogenic CO 2 emissions. In recent years, amino acids and amino acid‐based ionic liquids (AAILs) are proposed as promising alternatives to the traditional aqueous amine solvent‐based CO 2 capture technology due to the presence of the ─NH 2 group and a CO 2 adsorption mechanism like amines, but with many additional advantages. Besides CO 2 absorption in solvent form, amino acids/AAILs‐functionalized porous sorbents demonstrate potential in CO 2 adsorption technology, a promising alternative to solvent‐based CO 2 absorption technology, as they can avoid the huge energy penalty associated with aqueous solution regeneration by heating. Additionally, amino acids/AAILs, with their CO 2 capture abilities, have demonstrated their potential in other promising CO 2 sequestration technologies: direct air capture, CO 2 mineralization using alkaline industrial waste, and conversion of CO 2 into value‐added products. This article reviews the mechanism, comparative performance, and prospects of amino acid‐based state‐of‐the‐art technologies for CO 2 absorption and adsorption, direct air capture, bio‐mineralization, and conversion of CO 2 into value‐added products, which is helpful for the further development of amino acid‐based CO 2 sequestration technologies.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Ionic liquids properties and applications · Carbon Dioxide Capture Technologies · Carbon dioxide utilization in catalysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Civil and Environmental Engineering University of Wisconsin–Madison Madison WI 53706 USA
Department of Materials Science and Engineering University of Wisconsin–Madison Madison WI 53706 USA
Funding
National Science Foundation · Wisconsin Alumni Research Foundation
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