Quasi-Continuous Particle Trap Regeneration by Cerium-Additives

Paper #:
  • 950369

Published:
  • 1995-02-01
Citation:
Lepperhoff, G., Lüders, H., Barthe, P., and Lemaire, J., "Quasi-Continuous Particle Trap Regeneration by Cerium-Additives," SAE Technical Paper 950369, 1995, https://doi.org/10.4271/950369.
Pages:
14
Abstract:
This paper describes the performance of a new, catalytically acting cerium-based fuel additive in relation to particulate trap regeneration quality, trap filtration efficiency, particle size distribution and fate of additive under steady-state engine operation conditions.The impact of the cerium fuel additive is compared to ferrocene respectively copper based fuel additives.The cerium-based fuel additive DPX6 lower the ignition temperature down to 200 °C. Frequent, so-called quasi-continuous, and smooth regenerations are induced by the cerium fuel additive in that temperature range. Thus, the regeneration quality is quite different to the stochastic and rapid oxidation known from ferrocene and copper. Out of this, the thermal stress with cerium fuel additive will be lower even when regenerations start at comparable high trap loading.
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