Strategies for Integrated Capture and Conversion of CO2 from Dilute Flue Gases and the Atmosphere

James W. Maina (Corresponding author), Jennifer M. Pringle, Joselito M. Razal, Suzana Nunes, Lourdes Vega, Fausto Gallucci, Ludovic F. Dumée

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)

Abstract

The integrated capture and conversion of CO2 has the potential to make valorization of the greenhouse gas more economically competitive, by eliminating energy-intensive regeneration processes. However, integration is hindered by the extremely low concentrations of CO2 present in the atmosphere (0.04 vol.%), and the presence of acidic gas contaminants, such as SOx and NOx, in flue gas streams. This Review summarizes the latest technological progress in the integrated capture and conversion of CO2 from dilute flue gases and atmospheric air. In particular, the Review analyzes the correlation between material properties and their capture and conversion efficiency through hydrogenation, cycloaddition, and solar thermal-mediated electrochemical processes, with a focus on the types and quantities of product generated, in addition to their energy requirements. Prospects for commercialization are also highlighted and suggestions are made for future research.

Original languageEnglish
Pages (from-to)1805-1820
Number of pages16
JournalChemSusChem
Volume14
Issue number8
DOIs
Publication statusPublished - 22 Apr 2021

Bibliographical note

Funding Information:
Dr. James W. Maina would like to acknowledge Deakin University for his Alfred Deakin Postdoctoral Research Fellowship. Dr. Ludovic F. Dum?e acknowledges the Australian Research Council for his Discovery Early Career Research Award (DECRA). Partial financial support from Khalifa University through project RC2-2019-007 is gratefully acknowledged.

Publisher Copyright:
© 2021 Wiley-VCH GmbH

Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.

Keywords

  • adsorption
  • carbon capture
  • circular economy
  • CO valorization
  • heterogeneous catalysis

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