Hydrotreating with silicon removal
US5118406A · kind A · utility
6Cited by
7References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1991 |
| Grant date | Jun 2, 1992 |
| Priority date | — |
| Expiry date | Apr 30, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G45/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A catalytic hydrotreating process wherein silicon-containing contaminants contained in a hydrocarbon feedstream are deposited onto a hydrotreating catalyst bed during hydrotreating in a manner providing improved catalyst stability. Hydrotreating catalysts having relatively high activities and low surface areas are located downstream of upstream hydrotreating catalysts having relatively low activities and high surface areas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.