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1. Definitions and symbols
Three-way" catalyst: catalyst operating at stoichiometry and simultaneously oxidizing CO and HC and reducing NO x . It is fitted to gasoline-powered vehicles.
Cerine: cerium oxide CeO 2 widely used in automotive catalysts to store oxygen thanks to the redox properties of the Ce 4+ /Ce 3+ couple. This property enables the catalyst to continue working during rich phases (deficient in O 2 ).
TOC (total organic carbon): measures the quantity of carbon included in all organic pollutants in water.
VOC (volatile organic compound): in French law, the term COV applies...
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Definitions and symbols
Automotive exhaust gas pollution control
Bibliography
Websites
ADEME "Air" and "Transport" areas of activity http://www2.ademe.fr/servlet/
Johnson-Matthey. Autocatalyst applications http://www.platinum.matthey.com/applications/
Umicore. Clean Technologies applications...
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BASF Catalysts
Go to "Mobile emissions catalysts" for automotive applications and "Stationary emissions catalysts" for stationary applications http://www.catalysts.basf.com/p02/USWeb-Internet/catalysts/en/
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