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Carbonic anhydrase to boost CO2 sequestration: Improving carbon capture utilization and storage (CCUS)
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0002-3002-2935
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0003-0079-5950
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0001-7500-2367
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0002-7754-9398
2022 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 299, article id 134419Article in journal (Refereed) Published
Abstract [en]

CO2 Capture Utilization and Storage (CCUS) is a fundamental strategy to mitigate climate change, and carbon sequestration, through absorption, can be one of the solutions to achieving this goal. In nature, carbonic anhydrase (CA) catalyzes the CO2 hydration to bicarbonates. Targeting the development of novel biotechnological routes which can compete with traditional CO2 absorption methods, CA utilization has presented a potential to expand as a promising catalyst for CCUS applications. Driven by this feature, the search for novel CAs as biocatalysts and the utilization of enzyme improvement techniques, such as protein engineering and immobilization methods, has resulted in suitable variants able to catalyze CO2 absorption at relevant industrial conditions. Limitations related to enzyme recovery and recyclability are still a concern in the field, affecting cost efficiency. Under different absorption approaches, CA enhances both kinetics and CO2 absorption yields, besides reduced energy consumption. However, efforts directed to process optimization and demonstrative plants are still limited. A recent topic with great potential for development is the CA utilization in accelerated weathering, where industrial residues could be re-purposed towards becoming carbon sequestrating agents. Furthermore, research of new solvents has identified potential candidates for integration with CA in CO2 capture, and through techno-economic assessments, CA can be a path to increase the competitiveness of alternative CO2 absorption systems, offering lower environmental costs. This review provides a favorable scenario combining the enzyme and CO2 capture, with possibilities in reaching an industrial-like stage in the future.

Place, publisher, year, edition, pages
Elsevier, 2022. Vol. 299, article id 134419
Keywords [en]
Carbonic anhydrase, CCUS, Biomimetic CO2 capture, Accelerated weathering, Amine-based CO2 absorption, Immobilization
National Category
Biochemistry and Molecular Biology
Research subject
Biochemical Process Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-90053DOI: 10.1016/j.chemosphere.2022.134419ISI: 000806575100004PubMedID: 35364080Scopus ID: 2-s2.0-85127742034OAI: oai:DiVA.org:ltu-90053DiVA, id: diva2:1649011
Funder
EU, Horizon 2020, 101000441Swedish Energy Agency, 2020-019943
Note

Validerad;2022;Nivå 2;2022-04-13 (joosat);

Available from: 2022-04-01 Created: 2022-04-01 Last updated: 2024-03-27Bibliographically approved

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de Oliveira Maciel, AyanneChristakopoulos, PaulRova, UlrikaAntonopoulou, Io

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