How to Use Urea Water in Vehicles?

[McJoseph]

Vehicles use urea primarily to reduce harmful nitrogen oxides in the exhaust into nitrogen and water. It is generally used in diesel vehicles. Here is an introduction to urea water: 1. Exhaust Emissions: The main harmful substances in diesel vehicle exhaust are nitrogen oxides and particulates. Technical methods can reduce particulate emissions within the engine, leaving mainly nitrogen oxides in the exhaust. By injecting urea into the exhaust after-treatment device, the urea decomposes into ammonia at high temperatures, which reacts with nitrogen oxides in the presence of a catalyst to produce harmless nitrogen and water. This device is called the SCR after-treatment system. 2. Urea Tank: There is a dedicated urea tank in the vehicle where the urea is stored. As long as the vehicle is running, urea will be consumed, so it needs to be replenished in time. Generally, about 4 liters of urea are consumed per 100 liters of diesel. The exact amount depends on factors such as engine displacement, model, manufacturer, etc. Different road conditions and loads can also affect urea consumption.