Journal
CATALYSIS COMMUNICATIONS
Volume 11, Issue 9, Pages 816-819Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2010.02.024
Keywords
Iron catalyst; CO2 hydrogenation; Deactivation; Ceria; gamma-Alumina; Manganese
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Funding
- Office of Naval Research
- Naval Research Laboratory through the Naval Research Laboratory
- National Research Council at the Naval Research Laboratory
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Hydrogenation of CO2 to hydrocarbons is investigated over ceria-doped iron-based catalysts. While the addition of low levels of Ce leads to a marginal improvement in the catalyst's CO2 hydrogenation ability, a decrease is observed when doping levels are raised to 10 wt.%. Even though the overall CO2 conversion is only marginally, lower than with the undoped catalyst, the product distribution is shifted away from C-2-O5+ HC and towards CO. It was found that the addition of Ce leads to ceria particles being formed upon iron and thus most likely leading to a reduction in available chain-growth active sites on the iron. Published by Elsevier B.V.
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