High light olefins FCC catalyst compositions
US8845882B2 · kind B2 · utility
6Cited by
59References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2011 |
| Grant date | Sep 30, 2014 |
| Priority date | — |
| Expiry date | Mar 8, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2400/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Catalytic cracking catalyst compositions and processes for cracking hydrocarbons to maximize light olefins production are disclosed. Catalyst compositions comprise at least one zeolite having catalytic cracking activity under catalytic cracking conditions, preferably Y-type zeolite, which zeolite has low amounts of yttrium in specified ratios to rare earth metals exchanged on the zeolite. Catalyst and processes of the invention provide increased yields of light olefins and gasoline olefins during a FCC process as compared to conventional lanthanum containing Y-type zeolite FCC catalysts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.