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A reaction chamber typically containing a finely divided catalyst (usually platinum and other metals such as rhodium, palladium, and gold) into which exhaust gases from an automotive engine are passed together with excess air so that carbon monoxide and hydrocarbon pollutants are oxidized to carbon dioxide and water, and nitrogen oxides are reduced to nitrogen and oxygen gases.
(Automotive Engineering) a device using three-way catalysts to reduce the obnoxious and poisonous components of the products of combustion (mainly oxides of nitrogen, carbon monoxide, and unburnt hydrocarbons) from the exhausts of motor vehicles. Sometimes shortened to: catcon
an automotive antipollution device that renders some pollutants in the exhaust gases harmless.
catalytic converter- A device with a catalyst for converting pollutant gases into less harmful ones.
See also related terms for harmful.
A device removing certain pollutants from exhaust gases of vehicles running on unleaded gasoline.
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|Noun||1.||catalytic converter - a converter that uses a platinum-iridium catalyst to oxidize pollutants and carbon monoxide into carbon dioxide and water; an antipollution device on an automotive exhaust system|
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n (Aut) → Katalysator m