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Catalyst systems for the reduction of the oxides of nitrogen

Patent ·
OSTI ID:5019114
; ;
Devices and processes are disclosed for the treatment of waste gases, particularly automotive exhaust gases, to remove the oxides of nitrogen. Mixed noble metal catalysts consisting essentially of platinum or palladium and at least one other noble metal selected from the group consisting of ruthenium, rhodium, and iridium are employed in combination with layered oxide support coatings to eliminate ammonia formation during the removal process.
Assignee:
Corning Glass Works
Patent Number(s):
US 4076792
OSTI ID:
5019114
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
CATALYSTS
CATALYTIC CONVERTERS
CHALCOGENIDES
DEPOSITION
ELEMENTS
ENGINES
EQUIPMENT
EXHAUST GASES
GASEOUS WASTES
INTERNAL COMBUSTION ENGINES
IRIDIUM
METALS
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
PALLADIUM
PLATINUM
PLATINUM METALS
POLLUTION CONTROL
POLLUTION CONTROL EQUIPMENT
REFRACTORY METALS
RHODIUM
RUTHENIUM
SURFACE COATING
TRANSITION ELEMENTS
WASTES