OXIDATION CATALYST

A wall-flow filter for filtering particulate matter from a flowing exhaust gas comprises a catalyst for catalyzing both the conversion of solid carbon in the particulate matter by oxygen and the selective reduction of oxides of nitrogen in the exhaust gas with a nitrogenous reductant, which catalyst...

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Main Authors CHANG, HSIAO-LAN, SCHEDEL, HUBERT, BALLINGER, TODD, BERGEAL, DAVID, WINTERBORN, DUNCAN, JOHN, WILLIAM, DOTZEL, RALF, ANDERSEN, PAUL, JOSEPH, CHEN, HAI-YING, LEPPELT, RAINER, COX, JULIAN, MÜNCH, JÖRG WERNER
Format Patent
LanguageEnglish
French
German
Published 12.12.2012
Subjects
ARTIFICIAL STONE
BLASTING
CEMENTS
CERAMICS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
LIGHTING
LIME, MAGNESIA
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
REFRACTORIES
SEPARATION
SLAG
STEAM ENGINES
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF NATURAL STONE
WEAPONS
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Summary:A wall-flow filter for filtering particulate matter from a flowing exhaust gas comprises a catalyst for catalyzing both the conversion of solid carbon in the particulate matter by oxygen and the selective reduction of oxides of nitrogen in the exhaust gas with a nitrogenous reductant, which catalyst comprising optionally stabilized ceria and at least one metal selected from (i) tungsten and (ii) both tungsten and iron.
Bibliography:Application Number: EP20110702688