Process for regenerating spent heavy hydrocarbon hydroprocessing catalyst
US4994423A · kind A · utility
5Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 1990 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | May 25, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/521
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a spent hydroprocessing catalyst regeneration process wherein the catalyst is subjected to an initial partial decoking step, followed by impregnation with a Group IIA metal-containing component, and then subjected to a final decoking step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.