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    Automotive SCR System Market Report

    Automotive SCR System Market Report
    Report code - SRTI136 Published On : Jun,2018 No. of Pages: 204
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    Automotive Selective Catalytic Reduction (SCR) System Market Size, Share, Trend, Forecast, See more...

    Market Insights

    There has been an incessant increase in emissions of polluting substances including carbon dioxide (CO2) and nitrogen oxide (NOx) particles from vehicles into the environment. In diesel engines, the level of NOx emissions is very high, whereas, in petrol engines, the emission of NOx particles is merely 5% that of emission from diesel engines.  Hence, there is a dire need for a proficient depollution system that can curb the NOx particles emitted from diesel vehicles. At present, there are two depollution systems available for reducing NOx particle emissions from diesel engine vehicles: SCR system (Selective Catalytic System) and Lean NOx-Trap (LNT) system.

    Between the two depollution systems available for diesel engine vehicles, the SCR system is expensive and complex but is also more efficient one than the LNT system as it converts nitrogen oxide into diatomic nitrogen and water vapor by injecting aqueous urea solution into the exhaust system. The SCR System has a maximum efficiency of 90-95% (NOx reduction of 90-95%), whereas the LNT system is a relatively less efficient system and offers the maximum efficiency of 70%. The SCR system is capable of handling a higher volume of exhaust fumes and can reduce NOx emissions up to 90 percent, while simultaneously reducing HC (hydrocarbon) and CO (carbon monoxide) emissions by 50-90 percent, and PM (particulate matter) emissions by 30-50 percent.

    Despite the high cost of the SCR system, it is expeditiously gaining the market traction, driven by its higher efficiency. Another factor giving an impetus to the demand for SCR system over LNT system is that there is a problem of clogging associated with the LNT system that results into the blockage of EGR (exhaust gas recirculation) valve. Due to which, automakers cannot reduce the number of recirculation processes, which leads to an increase in temperature and rise in the rate of NOx particles exceeding the amount of NOx that the LNT system can handle.

    The global automotive SCR system market is projected to grow at an impressive rate over the next five years to reach US$ 3.2 billion in 2023. Incessant increase in the penetration of SCR system in diesel vehicles to address the stringent regulations regarding the NOx emission reductions and fuel efficiency enhancements is the prime growth driver of the market.


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    Development of innovative SCR system is an indispensable focus area of the SCR system suppliers based on the requirements of auto OEMs. The market for SCR system is marked by major global automotive tier players including Faurecia, Plastic Omnium, and Tenneco. Also, it is expected that the excellent growth of SCR system may entice other players to enter the market to tap the growth potential.