Dry method for the denitrification of exhaust gas containing nitrogen oxides
US4112053A · kind A · utility
9Cited by
1References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 1977 |
| Grant date | Sep 5, 1978 |
| Priority date | — |
| Expiry date | Jan 4, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/8628
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
From an exhaust gas containing nitrogen oxides, the nitrogen oxides can be advantageously removed by contacting the exhaust gas with ammonia in the presence of a substance derived from laterite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.