TERMIUM Plus®

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Record 1 2008-01-29

English

Subject field(s)
  • Exhaust Systems (Motor Vehicles)
  • Trucking (Road Transport)
  • Air Pollution
OBS

Selective catalytic reduction (SCR) is the catalytic post-treatment of engine exhaust gas using urea as the reducing agent. This process cuts [nitrogen oxides] emissions.

OBS

SCR: This abbreviation can refer to the system or the process.

French

Domaine(s)
  • Échappement (Véhicules automobiles)
  • Camionnage
  • Pollution de l'air
DEF

Système de post-traitement des gaz d'échappement, qui permet au convertisseur catalytique, grâce à l'apport d'une solution d'urée, de réduire principalement les oxydes d'azote.

OBS

Cette technique de dépollution est applicable surtout aux moteurs diesel, en particulier ceux des véhicules industriels.

OBS

réduction catalytique sélective; RCS : Ce terme et cette abréviation désignent d'abord le procédé de post-traitement des gaz d'échappement, mais ils sont aussi employés pour désigner le système.

Spanish

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