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Diesel exhaust fluid (DEF; also known as AUS 32 and marketed as AdBlue [3]) is a liquid used to reduce the amount of air pollution created by a diesel engine. Specifically, DEF is an aqueous urea solution made with 32.5% urea and 67.5% deionized water.
- What Is Diesel Exhaust Fluid (DEF) Made of?
- How Does Def Work?
- How Do You Know When to Fill Up Def?
- Where Can I Fill Up Def?
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Diesel Exhaust Fluid is created from about two parts deionized water–highly purified H2O– and one part urea–often used in fertilizers. Urea is also a compound found in urine, although it is not urine in the DEF form. DEF is a liquid that is primarily water, so it is isn’t expensive either to fill your tanks with, and it is non-flammable and non-tox...
Simply put, the combination works together in your Selective Catalytic Reduction (SCR) system to remove the bad nitrogen oxide particles from your exhaust and converts it into water vapor and pure nitrogen. As your vehicle creates the nitrogen oxide gas, the DEF is sprayed onto the toxic gas, which reduces it down to the significantly less harmful ...
When it is time to refill your DEF, most newer vehicles are equipped with a DEF notification on your dashboard–as shown above, helping you know when it’s time to fill up, or you can get indicators installed on your truck if it hasn’t been already. It is important to never ignore warnings to refill your DEF, as the EPA requires Diesel Exhaust Fluid ...
DEF is available in jugs or at the pump. Our Goshen Road, Mac Card North, and Wayne Haven Sunoco stations offer Diesel Exhaust Fluid on our fuel islands at our commercial fueling stations. Find a location here: 1. Goshen Road – 4136 W. Washington Ctr Rd, Fort Wayne, IN 46818 2. Wayne Haven – 6925 E US 930, Fort Wayne, IN 46803 3. Mac Card North – 4...
DEF is a liquid made of water and urea that reduces nitrogen oxide emissions from diesel vehicles. Learn how DEF works, when to refill it, and where to find it at Sunoco stations in Fort Wayne, Indiana.
DEF is a clear, colorless liquid with a similar appearance to water, but it has a faint odor of ammonia. DEF is a safe, pure, and stable fluid and is regulated by the American Petroleum Institute (API). The EPA governs the production, handling, and transportation through its ISO 22241-1 standard.
17 juin 2017 · What Is DEF? Diesel exhaust fluid, commonly referred to as DEF, is a solution of 67.5% deionized water and 32.5% high-purity urea, that’s used to chemically reduce nitrogen oxides emissions (NOx) from non-road mobile machinery and heavy equipment. Just as important as knowing what DEF is – knowing what it’s not: DEF is not a fuel additive.
3 oct. 2024 · DEF is a fluid that helps reduce harmful emissions from diesel engines using selective catalytic reduction technology. Learn how DEF works, who needs it, where to get it, and how to maintain it.
- Lisa Gove
- 2 min
Diesel Exhaust Fluid or DEF for short, is a mixture of 32.5% Urea (for the ones that like chemistry: (NH2)2CO) and 67.5% de-ionised water. How does diesel exhaust fluid work? It is injected into the exhaust stream, where it’s water evaporates. The separation of Urea and Water due to heat, is called thermolysis. The chemical reaction is:
4 janv. 2016 · With the addition of Selective Catalytic Reduction (SCR) to Cummins diesel engines for a wide range of vehicles built in 2010 or newer, we’ve answered some of the most common questions about Diesel Exhaust Fluid (DEF).
