A surface oxidised Fe–S catalyst for the liquid phase hydrogenation of CO 2

Rapidly increasing anthropogenic carbon dioxide (CO 2 ) emissions, coupled with irreversible climate change and depleting fossil fuel reserves, have significantly increased the drive for CO 2 utilisation. Iron sulfide as a catalyst for the hydrogenation of CO 2 has been discussed in the literature f...

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Bibliographic Details
Published in:Catalysis science & technology 2021-02, Vol.11 (3), p.779-784
Main Authors: Mitchell, Claire E., Terranova, Umberto, Beale, Andrew M., Jones, Wilm, Morgan, David J., Sankar, Meenakshisundaram, de Leeuw, Nora H.
Format: Article
Language:English
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Summary:Rapidly increasing anthropogenic carbon dioxide (CO 2 ) emissions, coupled with irreversible climate change and depleting fossil fuel reserves, have significantly increased the drive for CO 2 utilisation. Iron sulfide as a catalyst for the hydrogenation of CO 2 has been discussed in the literature for decades, especially in an origin-of-life context, but little experimental evidence exists in the literature for its feasibility. Here we report the catalytic properties of pyrrhotite (Fe 1−x S) for the hydrogenation of CO 2 into formate. Advanced material characterisation methods in combination with computational studies have allowed us to identify surface S–Fe–O moieties as active sites for the reaction.
ISSN:2044-4753
2044-4761
DOI:10.1039/D0CY01779E