Process for controlling nitrogen oxides in exhaust gases
US4350669A · kind A · utility
27Cited by
3References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1978 |
| Grant date | Sep 21, 1982 |
| Priority date | — |
| Expiry date | Apr 27, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/56
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for controlling nitrogen oxides in combustion exhaust gases which comprises adding an oxygen-containing hydrocarbon and/or its precursor to exhaust gases and thereby oxidizing nitric oxide in the exhaust to nitrogen dioxide in the presence of oxygen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.