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GreenOX AdBlue


Greenox® are a trademark partner of the VDA, so you can be sure that you are using AdBlue® that is approved for automotive, LCV, truck or machine use.

To make it easy to recognize the solution of the correct quality, the trademark AdBlue® has been registered by the VDA and only producers committed to supplying to the ISO standard (ISO22241) have been licensed by the VDA to use the AdBlue® trademark.


Greenox® AdBlue®, the industry standard for SCR AdBlue® Solutions.


 Media Library - GreenOX

What is AdBlue®?

AdBlue® is a high purity operating fluid, used in the emissions removal systems of diesel engined vehicles and equipment. Chemically speaking AdBlue® is a 32.5% solution of Urea in purifed water.

The AdBlue® is stored in a tank on the vehicle and from there dosed automatically by the ECU directly into the exhaust gas at a rate in relation to the amount of Nitrous Oxides (NOx) being produced by the engine.




Following mixing, the AdBlue® and exhaust gas mixture passes into a catalyst system where a chemical reaction takes place converting the NOx to harmless Nitrogen and Water, which are then expelled from the end of the exhaust.

During the reaction the AdBlue® is consumed and needs to be replaced by refilling the tank periodically. AdBlue® consumption is related to engine load, engine size, travelling terrain and temperature.




Selective catalytic reduction (SCR) is being used in an increasing number of applications as environmental legislation reduces the allowed quantity of NOx to improve air quality. AdBlue® from Greenox® is being used in the following areas:


Commercial vehicles 


Buses & Coaches


Agricultural machinery; e.g. tractors, combines, loaders


Construction machinery; e.g. bulldozers, excavators, cranes, graders, levellers, dump trucks


Passenger cars


Stationary Denox; e.g. incinerators, cement production, power generators





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