Catalytic cracking catalysts and additives
US5304299A · kind A · utility
8Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 26, 1992 |
| Grant date | Apr 19, 1994 |
| Priority date | — |
| Expiry date | Oct 26, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2229/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Catalytic cracking catalysts are combined with a rare-earth, preferably lanthanum-containing catalyst/additive to enhance the cracking activity and selectivity in the presence of nickel and vanadia (Ni and V). The preferred additives comprise lanthanum, neodynium oxide and/or oxychloride dispersed in a clay/alumina matrix, wherein the alumina is derived from an aluminum hydroxychloride sol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.