SYSTEM AND METHOD FOR TREATING EXHAUST GASES

Systems and methods for treating exhaust gases are described. The disclosed systems and/or methods for treating exhaust gases could be used with any power plant, engine, hydrocarbon burning system, other NOx producing system, or combinations thereof. A method (400) for treating exhaust gases is prov...

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Bibliographic Details
Main Authors DRISCOLL JAMES JOSHUA, FLINN MICHAEL A
Format Patent
LanguageEnglish
Published 10.06.2010
Subjects
BLASTING
CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
STEAM ENGINES
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
TRANSPORTING
WEAPONS
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Summary:Systems and methods for treating exhaust gases are described. The disclosed systems and/or methods for treating exhaust gases could be used with any power plant, engine, hydrocarbon burning system, other NOx producing system, or combinations thereof. A method (400) for treating exhaust gases is provided. The method (400) may include converting (402) a first quantity of ammonia (44) using an ammonia-SCR catalyst (30) to produce gaseous nitrogen and water and converting (404) a second quantity of ammonia using an ammonia-to-NOx catalyst (20) located upstream of at least a portion of the ammonia-SCR catalyst (30) to produce NOx.
Bibliography:Application Number: US20080331065