Catalysts, systems and methods to reduce NOX in an exhaust gas stream
Abstract
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 an SCR catalyst comprising silver tungstate on an alumina support. The emissions treatment system may be used for the treatment of exhaust streams from diesel engines and lean burn gasoline engines. An emissions treatment system may further comprise an injection device operative to dispense a hydrocarbon reducing agent upstream of the catalyst.
- Inventors:
-
- Ringoes, NJ
- Princeton, NJ
- Basking Ridge, NJ
- Hamilton, NJ
- Issue Date:
- Research Org.:
- BASF Corporation (Florham Park, NJ)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1012819
- Patent Number(s):
- 7759280
- Application Number:
- 11/533,631
- Assignee:
- BASF Corporation (Florham Park, NJ)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
- DOE Contract Number:
- FC26-02NT41218
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Castellano, Christopher R, Moini, Ahmad, Koermer, Gerald S, and Furbeck, Howard. Catalysts, systems and methods to reduce NOX in an exhaust gas stream. United States: N. p., 2010.
Web.
Castellano, Christopher R, Moini, Ahmad, Koermer, Gerald S, & Furbeck, Howard. Catalysts, systems and methods to reduce NOX in an exhaust gas stream. United States.
Castellano, Christopher R, Moini, Ahmad, Koermer, Gerald S, and Furbeck, Howard. Tue .
"Catalysts, systems and methods to reduce NOX in an exhaust gas stream". United States. https://www.osti.gov/servlets/purl/1012819.
@article{osti_1012819,
title = {Catalysts, systems and methods to reduce NOX in an exhaust gas stream},
author = {Castellano, Christopher R and Moini, Ahmad and Koermer, Gerald S and Furbeck, Howard},
abstractNote = {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 an SCR catalyst comprising silver tungstate on an alumina support. The emissions treatment system may be used for the treatment of exhaust streams from diesel engines and lean burn gasoline engines. An emissions treatment system may further comprise an injection device operative to dispense a hydrocarbon reducing agent upstream of the catalyst.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {7}
}
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Works referenced in this record:
Selective reduction of NO on Ag/Al2O3 catalysts prepared from boehmite needles
journal, October 1998
- Takagi, K.; Kobayashi, T.; Ohkita, H.
- Catalysis Today, Vol. 45, Issue 1-4
Catalytic reduction system of NOx in exhaust gases from diesel engines with secondary fuel injection
journal, August 1998
- Nakatsuji, T.; Yasukawa, R.; Tabata, K.
- Applied Catalysis B: Environmental, Vol. 17, Issue 4