Hydrocracking process using a zeolite modified by basic treatment
US8969233B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2012 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Nov 23, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2400/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention describes a hydrocracking and/or hydrotreatment process using a catalyst comprising an active phase containing at least one hydrogenating/dehydrogenating component selected from the group VIB elements and the non-precious elements of group VIII of the periodic table, used alone or in a mixture, and a support comprising at least one dealuminated zeolite Y having an overall initial atomic ratio of silicon to aluminum between 2.5 and 20, an initial weight fraction of extra-lattice aluminum atoms greater than 10%, relative to the total weight of aluminum present in the zeolite, an initial mesopore volume measured by nitrogen porosimetry greater than 0.07 ml·g−1 and an initial crystal lattice parameter a0 between 24.38 Å and 24.30 Å, said zeolite being modified by a) a stage of basic treatment comprising mixing said dealuminated zeolite Y with a basic aqueous solution, and at least one stage c) of thermal treatment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.