Process for reducing resid hydrotreating solids in a fractionator
US4808298A · kind A · utility
17Cited by
22References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1987 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Aug 24, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G45/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An effective hydrotreating process is provided to minimize precipitation of asphaltenic solids in the product oil. In the preferred process, an aromatic diluent, preferably comprising decanted oil, is injected into one or more of the fractionators downstream of the reactor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.