Piezas de Sistema SCR Diésel
Urea-SCR technology has been adopted as a NOx reduction strategy from mobile diesel engines. The application of SCR is more cost-effective than the competing technologies, but requires establishing a urea distribution infrastructure. Urea-SCR systems include an SCR catalyst, auxiliary oxidation catalysts, and urea injection system which supplies urea solution upstream of the SCR catalyst. High NOx reductions depend on the catalyst temperature window and on the urea injection control strategy, which remains a challenge under transient operating conditions.
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