Process for passivation by a nitrogen-containing compound of a zeolitic catalyst, in particular a hydrocracking catalyst
US9943835B2 · kind B2 · utility
2Cited by
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15Claims
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Key dates
| Filing date | Sep 11, 2012 |
| Grant date | Apr 17, 2018 |
| Priority date | — |
| Expiry date | Jan 15, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G47/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for ex-situ treatment of a catalyst that contains at least one hydrogenating phase, and at least one amorphous silica-alumina or a zeolite that contains acid. The process includes: This treatment allows a rapid, effective start-up on the hydrocracking unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.