Perea Marin, Raimon, Kondrat, Simon A., Gallagher, James R., Enache, Dan I., Smith, Paul John, Boldrin, Paul, Davies, Thomas Edward, Bartley, Jonathan Keith  ORCID: https://orcid.org/0000-0003-4640-541X, Combes, Garry B., Williams, Peter B., Taylor, Stuart H. ORCID: https://orcid.org/0000-0002-1933-4874, Claridge, John B., Rosseinsky, Matthew J. and Hutchings, Graham John ORCID: https://orcid.org/0000-0001-8885-1560
2013.
Preparation of Fischer–Tropsch supported cobalt catalysts using a new gas anti-solvent process.
ACS Catalysis
3
(4)
, pp. 764-772.
10.1021/cs4000359
|
Abstract
Cobalt and ruthenium-promoted cobalt Fischer–Tropsch catalysts supported on titania have been prepared for the first time by gas anti-solvent precipitation. The use of dense CO2 as an anti-solvent enables the precipitation of cobalt acetate and ruthenium acetylacetonate onto preformed titania. The gas anti-solvent process produces catalysts with the desired 20 wt % cobalt content as precursors, which on calcination give highly dispersed Co3O4. The addition of ruthenium to the gas anti-solvent prepared cobalt catalysts has been investigated by two methods (a) coprecipitation with cobalt acetate and (b) wet impregnation onto a precalcined cobalt titania catalyst, and these resulted in catalysts with distinctly different properties. These catalysts were compared with a standard ruthenium-promoted cobalt catalyst prepared by wet impregnation and were found to be substantially more active for the Fischer–Tropsch reaction.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Research Institutes & Centres > Cardiff Catalysis Institute (CCI) Schools > Chemistry |
| Subjects: | Q Science > QD Chemistry |
| Publisher: | American Chemical Society |
| ISSN: | 2155-5435 |
| Funders: | Technology Strategy Board |
| Last Modified: | 14 Nov 2024 08:54 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/46057 |
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