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. 2020 Jul 3;11(1):3287.
doi: 10.1038/s41467-020-17203-7.

Unrealistic energy and materials requirement for direct air capture in deep mitigation pathways

Sudipta Chatterjee  1 , Kuo-Wei Huang  2
Affiliations

Unrealistic energy and materials requirement for direct air capture in deep mitigation pathways

Sudipta Chatterjee et al. Nat Commun. .
No abstract available

PubMed Disclaimer

Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1. Schematic representations of direct CO2 capture from air using sorbents.
The outlines of two different DACC technologies (DAC1 and DAC2) are presented with the amounts of electricity and heat energies required for the syntheses of the sorbents (NaOH and MEA) from precursors and their regenerations. DACC direct air carbon capture, EO ethylene oxide, MEA monoethanolamine.
Fig. 2
Fig. 2. Energy and materials requirement for DACC—current status and prospects.
a Estimated materials required for CO2 (30 Gt) capture in DACC and compared to their current production. Estimated energy required for b material production and c sorbent regeneration. d Current and future energy mix with concomitant CO2 emissions.
See this image and copyright information in PMC

Comment on

  • doi: 10.1038/s41467-019-10842-5

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