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      Direct air capture of CO 2: A response to meet the global climate targets

      editorial
      1 , 2 , 3 ,
      MRS Energy & Sustainability
      Springer International Publishing
      carbon dioxide, absorbent, absorption, environment, storage, renewable

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          Abstract

          Highlights

          DAC can help deal with difficult to avoid emissions. Large-scale deployment of DAC requires serious government, private, and corporate support and investment particularly to offset the capital cost as well as operational costs. Further optimizations to the costs can be found in choice of energy source as well as advances in CO 2 capture technology such as high capacity and selectivity materials, faster reaction kinetics, and ease of reusability.

          Abstract

          Direct air capture (DAC) technologies are receiving increasing attention from the scientific community, commercial enterprises, policymakers and governments. While deep decarbonization of all sectors is required to meet the Paris Agreement target, DAC can help deal with difficult to avoid emissions (aviation, ocean-shipping, iron-steel, cement, mining, plastics, fertilizers, pulp and paper). While large-scale deployment of DAC discussions continues, a closer look to the capital and operational costs, different capture technologies, the choice of energy source, land and water requirements, and other environmental impacts of DAC are reviewed and examined. Cost per ton of CO 2 captured discussions of leading industrial DAC developers with their carbon capture technologies are presented, and their detailed cost comparisons are evaluated based on the choice of energy operation together with process energy requirements. Validation of two active plants’ net negative emission contributions after reducing their own carbon footprint is presented. Future directions and recommendations to lower the current capital and operational costs of DAC are given. In view of large-scale deployment of DAC, and the considerations of high capital costs, private investments, government initiatives, net zero commitments of corporations, and support from the oil companies combined will help increase carbon capture capacity by building more DAC plants worldwide.

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          Most cited references11

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          Temporary reduction in daily global CO2 emissions during the COVID-19 forced confinement

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            Is Open Access

            A Process for Capturing CO 2 from the Atmosphere

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              Life-cycle assessment of an industrial direct air capture process based on temperature–vacuum swing adsorption

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                Author and article information

                Contributors
                mihri@ece.ucr.edu
                Journal
                MRS Energy & Sustainability
                MRS Energy & Sustainability
                Springer International Publishing (Cham )
                2329-2229
                2329-2237
                5 June 2021
                5 June 2021
                : 1-6
                Affiliations
                [1 ]GRID grid.266097.c, ISNI 0000 0001 2222 1582, Department of Electrical and Computer Engineering, , University of California Riverside, ; Riverside, CA 92521 USA
                [2 ]GRID grid.266097.c, ISNI 0000 0001 2222 1582, Department of Chemistry, , University of California Riverside, ; Riverside, CA 92521 USA
                [3 ]GRID grid.266097.c, ISNI 0000 0001 2222 1582, Materials Science and Engineering Program, , University of California Riverside, ; Riverside, CA 92521 USA
                Article
                5
                10.1557/s43581-021-00005-9
                8179695
                361b30de-909f-4018-8cb9-c16cead1189b
                © The Author(s) 2021

                Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

                History
                : 22 March 2021
                : 20 May 2021
                Funding
                Funded by: NA
                Categories
                Commentary

                carbon dioxide,absorbent,absorption,environment,storage,renewable

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