Method for regenerating fluidizable solid particles employed in hydrocarbon conversion
US4118337A · kind A · utility
21Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 1977 |
| Grant date | Oct 3, 1978 |
| Priority date | — |
| Expiry date | Jun 20, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G11/182
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hydrocarbon conversion-catalyst regeneration operation and apparatus required is described. Hot regenerated catalyst is mixed with spent catalyst in a first upflow annular fluid catalyst bed regeneration operation about a second concentric downflow fluid catalyst bed regeneration operation. Catalyst flow-through passageways pass catalyst from said downflowing catalyst bed operation to said upflow catalyst bed regeneration operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.