Method of hydrorefining catalyst manufacture
US4419275A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1982 |
| Grant date | Dec 6, 1983 |
| Priority date | — |
| Expiry date | Sep 23, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J37/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalytic composite of Group VIB metal, Group VIII metal and a porous alumina carrier material is manufactured by controlling a water of hydration of pseudo-boehmite contained in an amorphous alumina hydrate slurry in the range of 1.20-1.50 mols per mol of Al.sub.2 O.sub.3 ; forming an alumina hydrate obtained from this slurry into alumina particles and drying; and then calcining the alumina particles in a steam-containing atmosphere to thereby obtain a porous alumina carrier material, the resulting porous alumina carrier material being subsequently incorporated with catalytically effective amounts of a Group VIB metal compound and a Group VIII metal compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.