DIESEL OXIDATION CATALYST WITH NOX ADSORBER ACTIVITY

DIESEL OXIDATION CATALYST WITH NOX ADSORBER ACTIVITY

An oxidation catalyst for treating an exhaust gas from a diesel engine and an exhaust system comprising the oxidation catalyst are described. The oxidation catalyst comprises: a first washcoat region for adsorbing NOx, wherein the first washcoat region comprises a zeolite catalyst, wherein the zeoli...

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Hauptverfasser: PHILLIPS, Paul, DALY, Christopher, O'BRIEN, Matthew, MOREAU, Francois, CHIFFEY, Andrew
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Sprache:eng ; fre ; ger
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
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creator PHILLIPS, Paul
DALY, Christopher
O'BRIEN, Matthew
MOREAU, Francois
CHIFFEY, Andrew
description An oxidation catalyst for treating an exhaust gas from a diesel engine and an exhaust system comprising the oxidation catalyst are described. The oxidation catalyst comprises: a first washcoat region for adsorbing NOx, wherein the first washcoat region comprises a zeolite catalyst, wherein the zeolite catalyst comprises a noble metal and a zeolite; a second washcoat region for oxidising nitric oxide (NO), wherein the second washcoat region comprises platinum (Pt) and a support material; and a substrate having an inlet end and an outlet end.
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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
title DIESEL OXIDATION CATALYST WITH NOX ADSORBER ACTIVITY
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