Catalyst and process for reducing nitrogen oxides
US4105745A · kind A · utility
1Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1975 |
| Grant date | Aug 8, 1978 |
| Priority date | — |
| Expiry date | Nov 17, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2255/20784
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst comprising an iron-chromium-oxygen type catalyst base and 0.1 through 20% of aluminum sulfate based on the weight of the above-mentioned catalyst base, is useful for reducing nitrogen oxides with ammonia at a temperature of 150.degree. C or higher, to convert it to nitrogen and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.