Catalysts to reduce NO.sub.x in an exhaust gas stream and methods of preparation
Patent
·
OSTI ID:1018204
- Ringoes, NJ
- Princeton, NJ
- Basking Ridge, NJ
- Hamilton, NJ
- Troy, MI
- Shelby Township, MI
Catalysts, systems and methods are described to reduce NO.sub.x emissions of an internal combustion engine. In one embodiment, an emissions treatment system for an exhaust stream is provided having a catalyst comprising silver and a platinum group metal on a particulate alumina support, the atomic fraction of the platinum group metal being less than or equal to about 0.25. Methods of manufacturing catalysts are described in which silver is impregnated on alumina particles.
- Research Organization:
- General Motors Corporation
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC26-02NT41218
- Assignee:
- BASF Corporation (Florham Park, NJ)
- Patent Number(s):
- 7,943,548
- Application Number:
- 11/533,593
- OSTI ID:
- 1018204
- Country of Publication:
- United States
- Language:
- English
Catalytic reduction system of NOx in exhaust gases from diesel engines with secondary fuel injection
|
journal | August 1998 |
Selective reduction of NO on Ag/Al2O3 catalysts prepared from boehmite needles
|
journal | October 1998 |
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