Countercurrent hydroprocessing with treatment of feedstream to remove particulates and foulant precursors
US6579443B1 · kind B1 · utility
6Cited by
74References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1999 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Dec 7, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G45/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for upgrading a liquid petroleum or chemical stream wherein said feedstream flows countercurrent to the flow of a treat gas, such as a hydrogen-containing gas, in at least one reaction zone. The feedstream is treated so that it is substantially free of particulate matter and foulant precursors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.