NO/sub x/ reduction catalyst for internal combustion engine emission control
Patent
·
OSTI ID:6407831
A process is disclosed for reducing the oxides of nitrogen in exhaust gases from an internal combustion engine comprising contacting the exhaust gases with a self supporting catalytic structure in the form of an expanded thin metal foil. The expanded metal foil comprises a corrosion resistant metallic substrate having an NO/sub x/ reducing catalyst on the surface layer. The corrosion resistance substrate may be a nickel/chromium alloy, and the NO/sub x/ catalytic surface may be a nickel/copper alloy.
- Assignee:
- Gould Inc.
- Patent Number(s):
- US 4119701
- OSTI ID:
- 6407831
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
33 ADVANCED PROPULSION SYSTEMS
330701* -- Emission Control-- Nitrogen Oxides
AIR POLLUTION CONTROL
ALLOYS
AUTOMOBILES
CATALYTIC CONVERTERS
CHALCOGENIDES
CHEMICAL REACTIONS
CHROMIUM ALLOYS
COPPER ALLOYS
DENITRIFICATION
DESIGN
ENGINES
EQUIPMENT
EXHAUST GASES
GASEOUS WASTES
INTERNAL COMBUSTION ENGINES
NICKEL ALLOYS
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
POLLUTION CONTROL
POLLUTION CONTROL EQUIPMENT
VEHICLES
WASTES
330701* -- Emission Control-- Nitrogen Oxides
AIR POLLUTION CONTROL
ALLOYS
AUTOMOBILES
CATALYTIC CONVERTERS
CHALCOGENIDES
CHEMICAL REACTIONS
CHROMIUM ALLOYS
COPPER ALLOYS
DENITRIFICATION
DESIGN
ENGINES
EQUIPMENT
EXHAUST GASES
GASEOUS WASTES
INTERNAL COMBUSTION ENGINES
NICKEL ALLOYS
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
POLLUTION CONTROL
POLLUTION CONTROL EQUIPMENT
VEHICLES
WASTES