Catalytic process for reducing nitrogen oxides to nitrogen
US4085193A · kind A · utility
110Cited by
13References
9Claims
0Family size
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Key dates
| Filing date | Dec 10, 1974 |
| Grant date | Apr 18, 1978 |
| Priority date | — |
| Expiry date | Dec 10, 1994 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2255/20784
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst compositions for reducing nitrogen oxide comprising, as its chief ingredient, an intimate mixture of PA1 A. titanium (Ti) as component A, with PA1 B. at least one metal selected from the group consisting of molybdenum (Mo), tungsten (W), iron (Fe), vanadium (V), nickel (Ni), cobalt (Co), copper (Cu), chromium (Cr), and uranium (U), as component B, in the form of their oxides, and a process for reducing nitrogen oxides to nitrogen, which comprises contacting a gaseous mixture containing nitrogen oxides and molecular oxygen and a reducing gas with aforesaid catalyst compositions at an elevated temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.