METHOD AND DEVICE FOR CATALYTIC CONVERSION OF GASEOUS POLLUTANT IN EXHAUST GAS OF COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To improve catalyst conversion of a gaseous pollutant. SOLUTION: The device includes a porous catalyst retaining member. The porous catalyst retaining member has a first surface and a second surface. The first surface permits inflow of the exhaust gas, and the second surface pe...

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Main Authors PFEIFER MARCUS, KREUZER THOMAS DR, LOX EGBERT DR, BOEHNKE HARALD, LOESCHE BERND, GIESHOFF JUERGEN DR, STAAB ROGER, VAN SETTEN BARRY
Format Patent
LanguageEnglish
Published 03.07.2003
Edition7
Subjects
BLASTING
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
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
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
STEAM ENGINES
THEIR RELEVANT APPARATUS
TRANSPORTING
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To improve catalyst conversion of a gaseous pollutant. SOLUTION: The device includes a porous catalyst retaining member. The porous catalyst retaining member has a first surface and a second surface. The first surface permits inflow of the exhaust gas, and the second surface permits outflow of the exhaust gas. Preferably, the first surface and the second surface are positioned on sides of a substrate opposite to each other. The method contains a step of bringing the exhaust gas into contact with the catalyst. The catalyst includes the porous catalyst retaining member with perforated structure. COPYRIGHT: (C)2003,JPO
Bibliography:Application Number: JP20020294291