Method for the production of cobalt catalysts supported on silicon dioxide and their use
US6534436B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2002 |
| Grant date | Mar 18, 2003 |
| Priority date | — |
| Expiry date | Jul 26, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2523/75
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to catalysts comprising cobalt supported on a solid silica support and, in particular, to a method for manufacturing such catalysts. The catalysts may be prepared by slurrying a silica powder or impregnating a silica particle with a solution of a cobalt compound, cobalt amine carbonate, and aging the resulting slurry or solid at elevated temperature; the cobalt amine carbonate is decomposed and precipitated as basic cobalt carbonate onto the silica support. Preferably, the catalysts have a cobalt surface area in the range of 25 to >100 m2 per gram total cobalt. The catalyst may be used in hydrogenation reactions, Fischer-Tropsch reactions and oxidation reactions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.