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Catalytic Converters - School Essays

Catalytic Converters


Notice when a vehicle drives by nowadays, that it is so much quieter
than those loud oldies that pour out the blue smoke. Ever wonder just what is
underneath a vehicle that makes the new ones so much cleaner. It is called a
catalytic converter. The main function of a catalytic converter is to decrease
pollution emitted from a vehicles exhaust. The concept behind this is to add a
catalyst and force a reaction between the automobile's exhaust and oxygen in the
converter. To see just how this happens let's look inside of a catalytic
converter.
A catalytic converter is made up mainly of a mufflerlike chamber which
contains porous, heat-resistant materials coated with either platinum ...

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the converter creating products of
carbon dioxide and water vapor. The reaction which occurs inside the converter
is as follows:

The main compounds involved are carbon monoxide and hydrocarbons
(compounds of hydrogen and carbon), as well as oxygen. When these three are
combined with the provided catalyst, a reaction occurs as above. During the
reaction the oxygen splits apart the carbon monoxide and the hydrocarbons and
allows them to combine with its elements forming the aforementioned products.
The catalytic converter first made an appearance in vehicles in 1975.
The government of the United States of America had established a law controlling
auto emissions. There was one minor detail that was outlined in the use of a
catalytic converter, however. There must only be the use of lead-free gasoline.
The reasoning behind this was that if a leaded gasoline was used the lead would
cover the platinum and palladium pellets rendering them ineffective and thereby
ceasing the ...

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Catalytic Converters. (2005, May 7). Retrieved March 28, 2024, from http://www.essayworld.com/essays/Catalytic-Converters/26547
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"Catalytic Converters." Essayworld.com. May 7, 2005. Accessed March 28, 2024. http://www.essayworld.com/essays/Catalytic-Converters/26547.
"Catalytic Converters." Essayworld.com. May 7, 2005. Accessed March 28, 2024. http://www.essayworld.com/essays/Catalytic-Converters/26547.
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PAPER DETAILS
Added: 5/7/2005 08:20:05 PM
Category: Computers
Type: Premium Paper
Words: 591
Pages: 3

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