Potential Pathway for Reliable Long-Term CO 2 Storage as Clathrate Hydrates in Marine Environments

Beatrice Castellani ()
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Beatrice Castellani: CIRIAF, Department of Engineering, University of Perugia, Via G. Duranti 67, 06125 Perugia, Italy

Energies, 2023, vol. 16, issue 6, 1-13

Abstract: A countermeasure to global warming is removing high CO 2 amounts from the atmosphere and locating the emitted CO 2 into long-term stable carbon storage sites. The sequestration technologies must be reliable, long-lasting, and environmentally friendly. An alternative and innovative approach that may meet the sequestration requirements is CO 2 storage as clathrate hydrates in marine environments. Extensive research has been devoted to CO 2 -CH 4 replacement in natural gas hydrates. Another option is the direct formation of CO 2 hydrates into deep ocean water or into marine underfloor sediments. This article deals with the positioning of direct hydrate-based CO 2 storage among the other traditional geological options and the discussion of new, by-far, state-of-the-art knowledge required for the development of a hydrate-based CO 2 storage pathway that is reliable, stable, durable, efficient, and environmentally benign.

Keywords: clathrate hydrates; gas hydrate; carbon dioxide; carbon storage; sustainability (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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