Catalytic cracking process using steamed cogelled silica alumina catalyst
US3933621A · kind A · utility
8Cited by
21References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1972 |
| Grant date | Jan 20, 1976 |
| Priority date | — |
| Expiry date | Oct 24, 1992 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J21/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for catalytic cracking of a hydrocarbon feedstock which comprises contacting the feedstock with a catalyst which comprises predominantly a synthetic silica-alumina matrix containing 56 to 90 weight per cent alumina and wherein the catalyst does not contain any clay constituent. Preferably the matrix contains more than 65 weight per cent alumina. At these high alumina levels, which are about double or treble most of the current commercial cracking catalyst alumina levels, we have found that surprisingly high activity is achieved by our cracking catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.