Diesel Exhaust Fluid; a Liquid Used For Controlling Nitric Oxide Emissions In Diesel-Powered Vehicles And Heavy Equipment

 

Diesel Exhaust Fluid

Diesel Engines are among the most fascinating types of vehicles around. They deliver a ton of power while keeping a fuel economy that's surprisingly close to gas engines. However, what about their exhaust systems?

The exhaust from diesel engines contains nitric oxide (NOx) and nitrogen dioxide (NO2), which are toxic to humans when inhaled. NOx is also a major contributor to climate change by trapping heat in the atmosphere.

However, modern diesel engines use Selective Catalytic Reduction technology to cut NOx emissions by as much as 90 percent. In order to do this, the engine must be equipped with a special fluid that acts as a reductant. This is called DEF, or Diesel Exhaust Fluid. The fluid is a mixture of urea and water that's injected into the truck's exhaust system. The urea helps to break down the NOx into non-hazardous nitrogen and water. This reduces the amount of NOx released into the air and improves performance and fuel efficiency.

Diesel Exhaust Fluid is a liquid that's used to control NOx emissions in diesel-powered vehicles and heavy equipment. It's a combination of vehicle-grade urea and deionized water. This fluid is injected into the exhaust just before the catalytic converter. When the NOx is reacted with the urea, it changes into water and small amounts of carbon dioxide (CO2). This is much less damaging to the environment than the NOx.

It's not possible to put water in a tank of Diesel Exhaust Fluid. The reason is simple. When the diesel exhaust fluid tank is empty, it requires a special additive to prevent it from leaking into your tank. This additive, AdBlue, is made from urea and water and is regulated by the Environmental Protection Agency. It is a high-quality, pure compound that's designed to eliminate the oxides of nitrogen from the exhaust stream via SCR technology and improve diesel engine performance and fuel economy. This may seem like a weird question, however, it's not. While it's true that some people have accidentally ingested diesel exhaust fluid, the majority of the fluid is meant to be inhaled by diesel drivers. In August 2021, BASF and SINOPEC announced the expansion of their Verbund site which is operated by BASF-YPC Co., Ltd., a 50-50 joint venture of both companies in Nanjing, China.

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