Upflow reactor system with layered catalyst bed for hydrotreating heavy feedstocks
US6554994B1 · kind B1 · utility
98Cited by
15References
14Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 13, 1999 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Apr 13, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2208/025
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A reactor system and process for hydrotreating a heavy feedstock contaminated with metals sulfur and carbon residue using an upflow fixed bed reactor with at least two catalyst layers having different hydrogenation activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.