Article | REF: J1216 V1

Total oxidation processes -Automotive depollution and air and water treatments

Author: Daniel DUPREZ

Publication date: June 10, 2013

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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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