Catalysts to reduce NO.sub.x in an exhaust gas stream and methods of preparation
Patent
·
OSTI ID:1043901
- Basking Ridge, NJ
- Princeton, NJ
- Hamilton, NJ
- Ringoes, NJ
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 on a particulate alumina support, the silver having a diameter of less than about 20 nm. Methods of manufacturing catalysts are described in which ionic silver is impregnated on particulate hydroxylated alumina particles.
- Research Organization:
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC26-02NT41218
- Assignee:
- BASF Corporation (Florham Park, NJ)
- Patent Number(s):
- 8,173,574
- Application Number:
- 11/857,896
- OSTI ID:
- 1043901
- Country of Publication:
- United States
- Language:
- English
Catalytic reduction system of NOx in exhaust gases from diesel engines with secondary fuel injection
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journal | August 1998 |
Low temperature selective oxidation of ammonia to nitrogen on silver-based catalysts
|
journal | January 2003 |
Alumina: Catalyst and Support. I. Alumina, its Intrinsic Acidity and Catalytic Activity 1
|
journal | May 1960 |
Selective reduction of NO on Ag/Al2O3 catalysts prepared from boehmite needles
|
journal | October 1998 |
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