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A surface oxidised Fe–S catalyst for the liquid phase hydrogenation of CO2

DOI: 10.1039/D0CY01779E DOI Help

Authors: Claire E. Mitchell (Cardiff Catalysis Institute) , Umberto Terranova (Cardiff University; University of Buckingham) , Andrew M. Beale (University College London; Research Complex at Harwell) , Wilm Jones (University College London; Research Complex at Harwell) , David J. Morgan (Cardiff University) , Meenakshisundaram Sankar (Cardiff University) , Nora H. De Leeuw (Cardiff University; University of Leeds)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Catalysis Science & Technology , VOL 51

State: Published (Approved)
Published: November 2020

Open Access Open Access

Abstract: Rapidly increasing anthropogenic carbon dioxide (CO2) emissions, coupled with irreversible climate change and depleting fossil fuel reserves, have significantly increased the drive for CO2 utilisation. Iron sulfide as a catalyst for the hydrogenation of CO2 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 (Fe1−xS) for the hydrogenation of CO2 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.

Subject Areas: Chemistry


Instruments: B18-Core EXAFS

Documents:
d0cy01779e.pdf

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