Journal
CHEMICAL ENGINEERING SCIENCE
Volume 243, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ces.2021.116735
Keywords
Post-combustion capture; Activated carbon; Carbon dioxide sequestration; Physisorption; Chemisorption; Hydrogenation; Methanol; Dimethyl ether
Categories
Funding
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Canada Research Chair (CRC) program
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The paper discusses the impact of greenhouse gas emissions on global warming, and highlights post-combustion capture technology as a CO2 mitigation strategy. It systematically evaluates the performance of different adsorbents and proposes sustainable practices for converting CO2 into valuable chemicals like higher hydrocarbons.
The rise in the temperature contributing to global warming is attributed to the increased human-generated greenhouse gas emission in the ambient atmosphere. In this paper, firstly, a comprehensive overview of the capture technologies is presented, highlighting the post-combustion capture technology as one of the promising CO2 mitigation strategies. The performance of activated carbon, amine-functionalized and metal-oxide impregnated materials prepared from renewable precursors as the acknowledged adsorbents are well assessed and presented systematically. Conversion of CO2 is proposed as a sustainable practice to substitute for dwindling fossil fuels. A strong emphasis is put on the conversion of CO2 into value-added chemicals like higher hydrocarbons via series of catalytic-hydrogenation reactions. The specific aim of this study is to assist researchers by providing a holistic overview of different aspects of carbon-based adsorbents for post-combustion capture instead of the current-state-of art technology and enhancing the pathways for CO2 valorization to clean and renewable end-products. (C) 2021 Published by Elsevier Ltd.
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