AdBlue DEF is a consumable that must be used in SCR technology. SCR technology uses a catalyst system can effectively reduced the emission of nitrogen oxides and solid particles produced by diesel engines into nitrogen and water.The main components of the SCR system include the catalyst, the AdBlue® injection unit, the urea tank and the AdBlue® dose controller. Process of SCR technol...
If you have accidentally poured AdBlue® into your diesel tank, or just as likely, accidentally poured diesel into your AdBlue® tank. What should we do at this time? Luckily AdBlue® tanks are clearly marked with a BLUE cap, but accidents happen and if you do find yourself in the worst case scenario follow these tips. First thing - Don't start the engine If you turn the ignition on and s...
As the world's largest motor vehicle market, China's automotive AdBlue® market is rapidly opening. Relevant professionals predict that heavy diesel vehicles equipped with SCR systems will grow at least 500,000 vehicles a year, reaching 2.25 million by 2017. According to the diesel vehicle output calculation, it is expected that by the end of 2018, China's AdBlue® market capacity will reach...
In order to avoid contamination of automotive urea solutions and corrosion of containers, pipes, valves, connectors, gaskets, etc., it is necessary to ensure that the urea solution of the vehicle is compatible with the material in direct contact at all stages of handling, transportation, storage and sampling. Highly alloyed austenitic Cr-Ni-steels and Cr-Ni-Mo-steels, for example in accordance wit...
One aspect of a vehicle with SCR system is the need for replenishing Diesel Exhaust Fluid (DEF) on a periodic basis. DEF is carried in an onboard tank which must be periodically replenished by the operator based on vehicle operation. For light-duty vehicles, DEF refill intervals typically occur around the time of a recommended oil change, while DEF replenishment for heavy-duty vehicles and off-roa...
It depends on many factors, includes the diesel engine size, driver, DEF system condition, presence of NOx in the exhaust stream. Typically, manufacturers refer to DEF consumption as a percentage or fuel consumption. This can vary from as low as 2% to as high as 10%. So if your engine consumes 100 gallons of fuel, for a 10% DEF consumption, it would have used 10 gallons of diesel exhaust fluid def...
Nowadays, heavy diesel trucks come with the most current EPA compliant equipment. This equipment comes in the form of two different methods used in the after treatment of the exhaust emissions. These methods are Selective Catalytic Reduction (SCR) and Exhaust Gas Recirculation (EGR). Either are used to reduce NOx. In the early days, most trucks had only an EGR system with a diesel particulate filt...
The SCR exhaust after-treatment of the diesel engine is effective in controlling emissions of carbon monoxide (CO), hydrocarbons (HC) and particles (PM) in the exhaust gas to meeting the requirements of the regulations. Then the high content of nitrogen oxides (NOX) in the exhaust exhaust of the engine is treated by a special on-board aftertreatment system. At present, a variety of diesel exh...
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