Hydrotreating process employing a three-stage catalyst system wherein a titanium compound is employed in the second stage
US4657663A · kind A · utility
27Cited by
25References
15Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 24, 1985 |
| Grant date | Apr 14, 1987 |
| Priority date | — |
| Expiry date | Apr 24, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J35/647
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The catalytic hydrotreating of a residual oil-containing feedstream is carried out in a multi-catalyst bed in which the feedstream is first contacted with a catalyst bed which comprises of alumina, cobalt, molybdenum and nickel. The feedstream is then contacted with a second catalyst bed which contains a catalyst comprising alumina to which molybdenum, titanium and nickel have been added, followed by a third catalyst bed which contains a catalyst comprising alumina to which molybdenum and nickel have been added.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.