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Catalyst for purifying exhaust gases and method for producing same

Patent ·
OSTI ID:5511733
; ; ; ; ;
A catalyst is described for reducing nitrogen oxides, carbon monoxide and hydrocarbons, the noxious components in exhaust gases from internal combustion engines, etc., comprising: a porous carrier consisting essentially of zirconia and at least one oxide selected from the group consisting of cerium oxide, manganese oxide and iron oxide; and a metal as a catalyst ingredient supported thereon selected from the group consisting of platinum, palladium and mixtures thereof. A method for producing the aforesaid catalyst is described.
Assignee:
Toyota Chuo Kenkyusho K K (Japan)
Patent Number(s):
US 4299734
OSTI ID:
5511733
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
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CATALYSTS
CATALYTIC CONVERTERS
CERIUM COMPOUNDS
CERIUM OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
CONTROL
DESIGN
ELEMENTS
ENGINES
EQUIPMENT
EXHAUST GASES
FLUIDS
GASEOUS WASTES
GASES
HEAT ENGINES
HYDROCARBONS
INTERNAL COMBUSTION ENGINES
IRON COMPOUNDS
IRON OXIDES
MANGANESE COMPOUNDS
MANGANESE OXIDES
METALS
NITROGEN COMPOUNDS
NITROGEN OXIDES
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PALLADIUM
PLATINUM
PLATINUM METALS
POLLUTION CONTROL
POLLUTION CONTROL EQUIPMENT
PURIFICATION
RARE EARTH COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
WASTES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES