What is AdBlue? AdBlue Diesel Exhaust
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What is AdBlue and why is it Essential for Modern Diesel Engines?
If you drive a modern diesel vehicle, chances are you've heard of AdBlue. But what exactly is it, and why has it become so important for the performance and environmental compliance of your car, van, or truck? Let's find out!
What is AdBlue?
Despite its name, AdBlue is not a fuel additive. It's a high-purity urea solution, which is composed of 32.5% high-quality urea and 67.5% demineralised / deionised water. It's a clear, non-toxic, non-flammable liquid, and is safe to handle.
What is AdBlue Used For?
AdBlue is key to a technology called Selective Catalytic Reduction (SCR). This system is designed to reduce harmful nitrogen oxide (NOx) emissions from diesel engines. Nitrogen Oxide gases are a major cause of air pollution, smog, acid rain, and modern environmental regulations have become increasingly strict in limiting their release.
Here's how it works:
- Injection: AdBlue is stored in a separate tank on your vehicle and is automatically injected into the exhaust stream before the SCR catalyst.
- Conversion: When AdBlue is heated in the exhaust, the urea in AdBlue converts into ammonia.
- Reaction: As the ammonia and Nitrogen Oxide gases pass through the SCR catalyst, a chemical reaction occurs. The harmful Nitrogen Oxide is converted into a harmless nitrogen gas and water vapour, which then exits through the exhaust pipe.
This process significantly reduces the environmental impact of diesel engines, allowing them to meet strict emissions standards like Euro 6.
Why is AdBlue Essential?
- Environmental Compliance: Without AdBlue and the SCR system, most modern diesel vehicles simply wouldn't meet current emissions regulations, making them illegal to drive in many regions.
- Optimal Engine Performance: Your vehicle's engine management system is linked to the AdBlue system. If your AdBlue tank runs low or is empty, your vehicle's performance may be restricted, and in some cases, it may not even start. This is a built-in safeguard to ensure emissions compliance.
- Future-Proofing: As environmental concerns continue to grow, AdBlue ensures that diesel vehicles can remain a suitable and environmentally friendly method of transport.
Keeping Your AdBlue Topped Up
It's crucial to keep your AdBlue tank adequately filled. Your vehicle will typically provide warnings when the level is low, giving you ample time to refill before it impacts performance or prevents your vehicle from starting.
Need AdBlue? We've Got You Covered!
We understand the importance of a reliable AdBlue supply for individuals and businesses alike. That's why we offer a comprehensive range of AdBlue solutions to suit every need:
- Convenient Sizes: Whether you need a top-up or a larger quantity, we supply AdBlue in:
- 10L Containers
- 20L Containers
- 205L Barrels
- 1000L IBCs (Intermediate Bulk Containers)
- Bulk & On-Site Tank Solutions: For high-volume users, we also provide AdBlue in bulk and can pump it directly into your existing IBCs and tanks on-site, offering an efficient replenishment service.
Don't get caught out – ensure your diesel vehicle is running cleanly and efficiently with our high-quality AdBlue supplies. Get in touch today to discuss your requirements!



