Catalyst for removing nitrogen oxides
US4925825A · kind A · utility
23Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 1988 |
| Grant date | May 15, 1990 |
| Priority date | — |
| Expiry date | Dec 9, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J23/34
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for removing nitrogen oxides from exhaust gases containing volatile metal compound by the use of a catalyst the activity of which is hardly reduced by the volatile metal compound and a catalyst for the process are provided, which process comprises contacting the exhaust gases with a catalyst comprising TiO.sub.2 and a composite oxide of vanadium and molybdenum and/or a composite oxide of vanadium and manganese in the presence of ammonia.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.