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AdBlue®

Diesel Exhaust Fluid (AdBlue)

 

What is AdBlue?

Diesel engines are now required to meet tough NOx standards to help control air pollution. The preferred method involves injecting a high purity fluid called Diesel Exhaust Fluid (AdBlue) into the exhaust system.

 

AdBlue is used by modern diesel engines which use Selective Catalytic Reduction (SCR) to control NOx emissions. SCR is the leading technology in emission regulations. It has been successfully used in Europe for several years and can now be seen as standard on the following – VW, BMW, Mecedes Benz, Opel, Ford, Toyota and Peugeot.

 

How does an SCR System Work?

The purpose of the SCR system is to reduce levels of Nox that are harmful to our health and our environment. The AdBlue is injected as a fine mist into the exhaust stream where a chemical reaction takes place in the presence of a catalytic converter to convert the nitrogen oxides to inert nitrogen gas.

 Media Library - AdBlue Diagram

 

The AdBlue is carried in a storage tank on the vehicle. The capacity of the tank will vary depending upon the type of vehicle. This AdBlue tank is separate from the vehicle's fuel tank, but like fuel, will also need to be refilled periodically.

 

Will AdBlue Freeze?

During vehicle operation, SCR systems are designed to provide heating for the AdBlue tank and supply lines. If AdBlue freezes when the vehicle is in shut down, start up and normal operation of the vehicle will not be inhibited. The SCR heating system is designed to quickly return the AdBlue to liquid form and the operation of the vehicle will not be impacted.

 

Should I be concerned about handling AdBlue?

No. AdBlue is a nontoxic, nonpolluting, non-hazardous and nonflammable solution. Adblue is safe to handle and store and poses no serious risk to humans.

 

Are there special storage requirements for AdBlue?

AdBlue should be stored in a cool, dry, well-ventilated area and away from direct sunlight. When in

storage the AdBlue container should be completely sealed to avoid contamination and evaporation

(67.5% deionized water).

 

What happens if a non-AdBlue substance is entered into the AdBlue tank?

The SCR system will recognise solutions other than AdBlue, and the AdBlue indicator light will appear on the dash. Depending on the level of contamination in the tank, the vehicle may require servicing.

 

What happens if the vehicle runs out of AdBlue?

Vehicles that use AdBlue will have indicators on the dash that will alert the driver of the quantity of

AdBlue on board. A low level warning lamp will illuminate when the AdBlue is low. If the vehicle is

operated such that one would run completely out of AdBlue, vehicle power will be reduced enough to encourage the owner to refill the AdBlue tank. Once the tank has been refilled the engine will resume to normal power levels.

 

Where can I buy AdBlue?        

Qualvecom, Part No: ADB010

 

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