Hydroconversion process with combined temperature and feed staging
US4762607A · kind A · utility
44Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1987 |
| Grant date | Aug 9, 1988 |
| Priority date | — |
| Expiry date | Apr 13, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G65/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A slurry catalytic hydroconversion process comprising at least two hydroconversion zones is provided in which the heavy hydrocarbonaceous fresh oil feed is added to more than one hydroconversion zone. Additional portions of catalysts or catalyst precursors are also added to the first hydroconversion zone and to additional hydroconversion zones wherein said additional hydroconversion zones are maintained at a temperature of at least 10.degree. F. higher than an immediate preceding hydroconversion zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.