Vanadium passivation in a hydrocarbon catalytic cracking process
US4707461A · kind A · utility
15Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1985 |
| Grant date | Nov 17, 1987 |
| Priority date | — |
| Expiry date | Oct 30, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/521
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Hydrocarbons containing vanadium are converted to lower boiling fractions employing a zeolitic cracking catalyst containing a significant concentration of a calcium-containing additive e.g. calcium corbonate dolomite and amorphous as a vanadium passivating calcium silicate agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.