Combination process for the pretreatment and hydroconversion of heavy residual oils
US5320741A · kind A · utility
64Cited by
16References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 1992 |
| Grant date | Jun 14, 1994 |
| Priority date | — |
| Expiry date | Apr 9, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G65/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A novel method is disclosed for the hydroconversion of a heavy hydrocarbon feedstock wherein the feed is partially hydroconverted and demetalized in the presence of a catalytic additive and then the hydroconversion is completed in an ebullent bed reactor system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.