Slurry hydrotreating process
US5037532A · kind A · utility
28Cited by
19References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1990 |
| Grant date | Aug 6, 1991 |
| Priority date | — |
| Expiry date | Sep 21, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G45/46
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A slurry hydrotreating process is described in which a hydrotreating catalyst of small particle size is contacted with a heavy fossil fuel. High catalyst activity is maintained by circulating the catalyst between a hydrotreating zone and a reactivating zone where the catalyst is hydrogen stripped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.