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A three-way catalytic converter on a gasoline-powered 1996 Dodge Ram Simulation of flow inside a catalytic converter. A catalytic converter is an exhaust emission control device which converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction.
The 3-way catalytic converter that has been successfully used since the 1980s on stoichiometric engines (such as fueled by petrol, LPG, CNG, or ethanol) will not function at O 2 levels in excess of 1.0%, and does not function well at levels above 0.5%.
It is a U.S. legal requirement to have a catalytic converter. [3] [4] Converters may not be removed from a vehicle that is used only for "off-road" driving in the United States. [5] The main purpose of a catalytic converter on an automobile is to reduce harmful emissions of hydrocarbons, carbon monoxide, and nitrogen oxides into the atmosphere.
Carl D. Keith and John J. Mooney (right) at the award ceremony for the National Medal of Technology and Innovation for the invention, application and commercialization of the three-way catalytic converter (2003) Mooney was elected a Fellow of Society of Automotive Engineers (SAE) in 1990 for his efforts in exhaust emission control.
The catalytic converter is a device placed in the exhaust pipe, which converts hydrocarbons, carbon monoxide, and NO x into less harmful gases by using a combination of platinum, palladium and rhodium as catalysts. [16] There are two types of catalytic converter, a two-way and a three-way converter.
Claudette Hill was one of many L.A. car owners who had their catalytic converters stolen during a rash of thefts in 2020. Right away, the retired seamstress got the auto part replaced.
Commercial selective catalytic reduction systems are typically found on large utility boilers, industrial boilers, and municipal solid waste boilers and have been shown to lower NO x emissions by 70-95%. [1] Applications include diesel engines, such as those found on large ships, diesel locomotives, gas turbines, and automobiles.
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