Vehicle urea, which is also known as diesel exhaust fluid (DEF), is a crucial component for reducing the emissions of nitrogen oxides (NOx) in diesel engines. Diesel engines are known for producing high levels of NOx which can be harmful to the environment and human health. By using vehicle urea, the exhaust gases are treated, and the harmful pollutants are converted into less harmful nitrogen and water vapor.

Function

The nitrogen oxides in the car exhaust into harmless nitrogen and water, energy saving and environmental protection, so that the vehicle meets the national regulations.

Principle

The vehicle urea is a tail gas cleaning product, which is different from the acting of tail gas used for cars. Hulmum of diesel vehicles requires a cleaning system through the diesel vehicle tail gas treatment system and performs cleaning. The gasoline car tail gas treatment agent is directly mixed with fuel, which acts on the engine to improve the exhaust gas.

The working principle of the urea SCR system of diesel vehicles is the application of this chemical reaction to eliminate nitrogen oxides, thereby achieving purifying tail gas. The urea measurement is installed on the exhaust pipe. Urery solution, urea (NH2CONH2) hydrolysis under the action of catalyst produces NH3 and CO2, NH3 and NOX react, generate nitrogen and water discharge, and play a role in purifying the tail gas.

Note

When the choice of vehicle urea solution is not pure and the particles, heavy metal ions and other impurities exist, the nozzle, filter and other components of the vehicle SCR system will cause damage and cause economic losses. If you do not loaded the exhaust gas treatment solution, or insufficient purity, or poor quality, it will cause automatic deceleration of the vehicle engine. At the same time, the poor quality diesel engine tail gas treatment liquid will pollute the catalyst in the SCR catalytic reaction tank, causing adverse consequences.

In conclusion , the function and principle of vehicle urea is to reduce the amount of harmful emissions that are released into the environment by breaking down NOx emissions produced by diesel engines. Its use in SCR systems is an important step towards reducing air pollution and improving the quality of the air we breathe.