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Detailed investigation of non‐catalytic DPF regeneration

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Detailed investigation of non‐catalytic DPF regeneration

Authors

S Bensaid, CJ Caroca, N Russo, D Fino

Publication date 2011/4

Journal

The Canadian Journal of Chemical Engineering

Volume 89 Issue 2 Pages 401-407 Publisher

Wiley Subscription Services, Inc., A Wiley Company

Description

The present investigation concerns the phenomena that occur during the non‐catalytic regeneration of Diesel Particulate Filters (DPFs). The temperature evolution in the filter has been correlated to the emissions of CO, HC, NO, and NO2 during the loading and

regeneration process. The emissions were assessed over both the diesel oxidation catalyst (DOC) and the DPF, in order to characterise the chemical species evolution inside the after‐treatment line. Different regeneration temperatures, which have been found to have a strong impact on the evolution of the soot oxidation rate, have been assessed. Finally, the particulate emissions during regeneration have been measured on a number and size basis.

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