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Article Dans Une Revue Resources, Conservation and Recycling Année : 2022

Perspectives of CO2 utilization as a negative emission technology

Résumé

In the race to net zero, attention is turning to solutions that remove carbon dioxide from the atmosphere. Among them, technologies for the capture and geological storage of atmospheric CO 2 are promising, while the capture and utilization of CO 2 is a more uncertain way to significantly mitigate climate change. In this review, we aim at examining solutions to utilize and store CO 2 in products in order to identify those eligible for negative emissions and quantify their potentials. First, we review the scientific literature and point out that CO 2 utilization could both enable the production of goods and suck CO 2 out of the atmosphere if employed for solvents, refrigerants or working fluids, or converted into carbonates and plastics. Then, we review energy models that explore the future potential of CO 2 utilization to understand whether negative emissions are envisioned through CO 2 utilization routes. We note that only a few models represent the negative emissions value chains through CO 2 utilization, and even fewer report them in the results of their exercise. Finally, we discuss the feasibility and impacts of CO 2 utilization deployment as well as its representation in energy models, considering the complexity of this value chain.
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hal-03897245 , version 1 (13-12-2022)

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Lucas Desport, Sandrine Selosse. Perspectives of CO2 utilization as a negative emission technology. Resources, Conservation and Recycling, 2022, 180, pp.106150. ⟨10.1016/j.seta.2022.102623⟩. ⟨hal-03897245⟩
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