Method and apparatus for regenerating an iron-based Fischer-Tropsch catalyst
US8431081B2 · kind B2 · utility
3Cited by
30References
17Claims
0Family size
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Key dates
| Filing date | May 10, 2011 |
| Grant date | Apr 30, 2013 |
| Priority date | — |
| Expiry date | May 10, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/703
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Solvent extraction is used to remove wax and contaminants from an iron-based Fischer-Tropsch catalyst in a natural circulation continuous-flow system. The wax-free catalyst is then subjected to controlled oxidation to convert the iron to its initial oxidized state, Fe2O3. Reactivation of the oxide catalyst precursor is carried out by addition of synthesis gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.