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Catalyst for purifying exhaust gases

Patent ·
OSTI ID:5455285
; ; ; ; ; ;
A catalyst for reducing nitrogen oxides, carbon monoxide and hydrocarbons, the noxious components in exhaust gases from internal combustion engines, etc., is disclosed comprising: a porous carrier of ceramic selected from the group consisting of alumina and alumina-magnesia spinel; and a catalyst ingredient supported thereon consisting essentially of zirconium oxide, cerium oxide and a metal selected from the group consisting of platinum, palladium and mixtures thereof.
Assignee:
Toyota Chuo Kenkyusho K K (Japan)
Patent Number(s):
US 4316822
OSTI ID:
5455285
Country of Publication:
United States
Language:
English

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Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330700* -- Advanced Propulsion Systems-- Emission Control
AIR POLLUTION CONTROL
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CATALYST SUPPORTS
CATALYSTS
CERAMICS
CHALCOGENIDES
CONTROL
DESIGN
ELEMENTS
ENGINES
EQUIPMENT
EXHAUST GASES
FLUIDS
GASEOUS WASTES
GASES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
METALS
OXIDES
OXYGEN COMPOUNDS
PALLADIUM
PLATINUM
PLATINUM METALS
POLLUTION CONTROL
POLLUTION CONTROL EQUIPMENT
POROSITY
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
WASTES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES