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Learn more about diesel exhaust fluid, including chemistry and function, regulation history, and best practices for maintaining a diesel system that uses DEF. Table of Contents. How DEF is Used in Diesel SCR Systems. Purpose of DEF.
3 Οκτ 2024 · Diesel exhaust fluid, or DEF, is a key component in lowering pollutants emitted from diesel engines, helping to improve efficiency and reduce emissions.
Passenger car using an AdBlue pump. Diesel exhaust fluid (DEF; also known as AUS 32 and sometimes 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 exactly is Diesel Exhaust Fluid (DEF)? From a strictly chemical disposition DEF is a mixture of 67.5% deionized water and 32.5% urea. Urea is a compound in Nitrogen that turns to ammonia when heated and is used in a variety of industries.
DEF Pump: The DEF pump is responsible for transferring the DEF fluid from the tank to the Selective Catalytic Reduction (SCR) system. It ensures a consistent flow of DEF fluid to the dosing unit and helps maintain the proper dosing rate for efficient emission reduction.
26 Απρ 2023 · Diesel exhaust fluid (DEF) is a non-hazardous solution used within a selective catalytic reduction (SCR) system to break down harmful pollutants (NOx) generated by a diesel engine. DEF is 32.5% urea, or aqueous ammonia solution, and 67.5% deionized water.
Diesel Exhaust Fluid (DEF) is something that is used in the fueling and fleet world, guiding truck drivers towards making their diesel vehicles more eco-friendly. Read on to learn more about DEF and how it works.
