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AdBlue® is a high-purity, 32.5% aqueous urea solution (AUS32) used in diesel vehicles with Selective Catalytic Reduction (SCR) systems to reduce harmful nitrogen oxide (
) emissions by up to 90%. It consists of 32.5% urea and 67.5% demineralized water, converting
into nitrogen and water vapor. AdBlue is non-toxic, colorless, and odorless.
Key Aspects of AdBlue® Urea Solution:
- Function: AdBlue is injected into the exhaust gas stream, where it breaks down into ammonia, reacting with in the SCR catalyst.
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People also ask
Is urea solution the same as AdBlue?
AdBlue is made from a urea and water solution, which is stored in a separate tank within the vehicle. The urea contains ammonia which reacts with the NOx gas and prevents it from being released into the atmosphere.Feb 25, 2026
What is AdBlue? Why does your car need it? | RAC Drive
RAC
https://www.rac.co.uk › drive › advice › emissions › adb...
RAC
https://www.rac.co.uk › drive › advice › emissions › adb...
How to make AdBlue solution at home?
o Take 67.5% deionized water in a stainless steel mixing tank. o Heat the water to 40–50°C to help dissolve the urea faster. o Gradually add 32.5% high-purity urea into the heated water while stirring. o Ensure the urea is completely dissolved to form a clear solution. o Maintain a pH of 9.0–10.0 during mixing.
How to Make AdBlue (Diesel Exhaust Fluid) Using Urea - atdmco.com
atdmco.com
https://atdmco.com › wp-content › uploads › 2025/02
atdmco.com
https://atdmco.com › wp-content › uploads › 2025/02
Can I just use water instead of AdBlue?
No! Even though AdBlue is made up mostly of deionised water, you cannot use water as a replacement.
Can I use water instead of AdBlue? - Ford Fuels Commercial
Ford Fuels Commercial
https://commercial.fordfuels.co.uk › faqs › can-i-use-wat...
Ford Fuels Commercial
https://commercial.fordfuels.co.uk › faqs › can-i-use-wat...
Web results
Automotive Grade Urea Solution Process: AdBlue and DEF
Vaisala
https://www.vaisala.com › chemicals-allied-products › a...
Vaisala
https://www.vaisala.com › chemicals-allied-products › a...
AdBlue is made by mixing urea with demineralized water resulting in a 32.5% aqueous urea solution. After mixing, the urea solution AdBlue 32.5 % is cooled.Read more
AdBlue
MB Energy
https://www.mbenergy.com › glossary › adblue
MB Energy
https://www.mbenergy.com › glossary › adblue
AdBlue is an aqueous urea solution consisting of 32.5 mass% pure urea and demineralized water. It is used to reduce nitrogen oxide emissions from diesel ...Read more
AdBlue® vs. Urea Solution: Key Differences Explained
bluediesel.com.my
https://bluediesel.com.my › adblue-vs-urea-solution
bluediesel.com.my
https://bluediesel.com.my › adblue-vs-urea-solution
Jan 10, 2025 — AdBlue is a high-purity urea solution composed of 32.5% urea and 67.5% deionized water, specifically formulated for use in Selective Catalytic Reduction (SCR) ...Read more
Urea in AdBlue, where does it come from?
Palamatic Process
https://www.palamaticprocess.com › blog › urea-in-adb...
Palamatic Process
https://www.palamaticprocess.com › blog › urea-in-adb...
It is soluble in water and releases an odor of ammonia which comes from the hydrolysis of the molecule. These solutions are also non-toxic and are neither ...Read more
ISO 22241 standard AdBlue Diesel exhaust fluid Urea ...
Guangzhou EverBlue Technology Co.,Ltd.
http://www.everbluesolution.com › Other products
Guangzhou EverBlue Technology Co.,Ltd.
http://www.everbluesolution.com › Other products
AdBlue is a high purity transparent liquid consisting of 32.5% high purity urea and 67.5% deionized water, with a slight odor of ammonia water.Read more
Adblue Urea Fluid - Diesel Exhaust Treatment Solutions
Alibaba.com
https://www.alibaba.com › ... › Nitrogen Fertilizer
Alibaba.com
https://www.alibaba.com › ... › Nitrogen Fertilizer
AdBlue urea fluid is a high-purity diesel exhaust fluid (DEF) used in modern diesel vehicles equipped with Selective Catalytic Reduction (SCR) technology. It ...Read more
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Web results
ADBLUE (AUS32) UREA SOLUTION, DIESEL EXHAUST ...
techmation.com
https://www.techmation.com › uploads › 2015/10
techmation.com
https://www.techmation.com › uploads › 2015/10
PDF
As the name AUS32 suggests, AdBlue is made by using urea mixed with demineralised water resulting in a 32.5 % aqueous urea solution. It is colorless, non-toxic ...Read more
2 pages
Diesel exhaust fluid
Wikipedia
https://en.wikipedia.org › wiki › Diesel_exhaust_fluid
Wikipedia
https://en.wikipedia.org › wiki › Diesel_exhaust_fluid
Diesel exhaust fluid is a liquid used to reduce the amount of air pollution created by a diesel engine. Specifically, DEF is an aqueous urea solution made ...Read more
