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FAQ > What is SCR Technology
What is SCR Technology

What is SCR Technology
SCR Technology (Selective Catalytic Reduction) is the reduction of the emissions that are generated during the combustion of an engine through a catalytic converter in the exhaust system of the vehicle.
The main components of the SCR system are the SCR catalyst, the AdBlue injection unit, the AdBlue tank and the AdBlue dosing control unit.
AdBlue is injected into the exhaust pipe where its urea molecules form ammonia. The ammonia reacts with the harmful NOx molecules to form harmless nitrogen and water.
SCR Technology needs a continuous supply of AdBlue (maximum quality Urea solution at 32.5%) as a reducing agent. AdBlue is dispensed into the AdBlue tank of the vehicle; this is separate to the diesel tank.
AdBlue NEVER goes into the engine, it is an exhaust additive.
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