Browse Publications Technical Papers 2010-01-1185
2010-04-12

Development of a Novel Device to Improve Urea Evaporation, Mixing and Distribution to Enhance SCR Performance 2010-01-1185

A novel urea evaporation and mixing device has been developed to improve the overall performance of a urea-SCR system. The device was tested with a MY2007 Cummins ISB 6.7L diesel engine equipped with an SCR aftertreatment system. Test results show that the device effectively improved the overall NO
conversion efficiency of the SCR catalyst over both steady-state and transient engine operating conditions, while NH₃ slip from the catalyst decreased.

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