Browse Publications Technical Papers 2005-26-347
2005-10-23

The Effect of NOx /Soot Ratio on the Regeneration Behaviour of Catalysed Diesel Particulate Filters for Heavy Duty Applications 2005-26-347

The control over particulate emissions is becoming increasingly important in modern diesel engines for Heavy Duty applications, that will comply to more and more stringent emissions norms. Use of particulate traps is an effective means of achieving this with the need to regenerate the particulate trap being imperative.
Passive regeneration using NO2 by conversion of NO, as well as regeneration at lower temperatures with catalyzed DPF and the influence of NOx to soot ratio on this, is the subject of the paper.
Both coated and uncoated filters in fresh and aged state are evaluated at temperatures typical of passive NO2 and Oxygen-based soot regenerations and the results discussed.

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