Method for reducing nitrogen oxides in combustion gas from combustion furnace
US6939125B2 · kind B2 · utility
1Cited by
21References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2003 |
| Grant date | Sep 6, 2005 |
| Priority date | — |
| Expiry date | Apr 14, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P40/50
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for reducing NOx, in a combustion gas which is discharged from a combustion furnace for burning a fuel by means of a gas containing oxygen in an amount of at least 80 vol % and which contains oxygen, which method comprises adding a combustible material to the combustion gas at a temperature of from 1,000 to 1,500° C., wherein the combustible material contains a compound comprising C and H.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.