Catalytic cracking catalysts and additives
US5194413A · kind A · utility
17Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 27, 1992 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | Apr 27, 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 & 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.