Reduction of emissions from FCC regenerators
US5908804A · kind A · utility
22Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 1997 |
| Grant date | Jun 1, 1999 |
| Priority date | — |
| Expiry date | Sep 5, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P30/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Coke is burned in the regenerator vessel of an FCC complex with a combustion medium consisting of a diluent gas, such as air, enriched with oxygen, The regenerator is operated in partial combustion mode and excess oxygen is introduced into the combustion zone of the regenerator. Emission of nitrogen oxides to the atmosphere is reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.