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Effects of Lubricant Derived Chemistries on Performance of the Catalyzed Diesel Particulate Filters
ISSN: 0148-7191, e-ISSN: 2688-3627
Published May 11, 2005 by SAE International in United States
Annotation ability available
Forthcoming on-highway 2005/2007 European and North American emission regulations will require modern diesel engines to be equipped with Diesel Particulate Filters (DPF) capable of trapping up to 99% of the exhaust particulate matter. Since diesel particulates (soot) accumulate in the filter over time, the overall system needs to be regenerated by attaining the ignition temperature of soot, which in the presence of oxygen is >600 °C. Catalyzed DPFs regenerate at temperatures as low as ∼300 °C. One of the major issues facing OEMs, aftertreatment system manufacturers, and lubricant formulators is the potential effects of the lubricant-derived ash deposits and their impact on a pressure increase across filters, as well as overall filter performance and its service characteristics.
In the present study, several lubricant-formulating additive variables, metal detergent type, antiwear additive (ZDP) type and level, the presence of boron as well as the effect of noble metal concentration in catalyzed DPF were examined. The paper explores ramifications of these formulation variables, especially the effects of lubricant chemistry, on DPF balance point temperature, ash deposits distribution and recovery. Findings identify the impact of lubricant derived species on soot combustion, ash type and presence of volatile components within the filter deposits.
CitationBardasz, E., Cowling, S., Panesar, A., Durham, J. et al., "Effects of Lubricant Derived Chemistries on Performance of the Catalyzed Diesel Particulate Filters," SAE Technical Paper 2005-01-2168, 2005, https://doi.org/10.4271/2005-01-2168.
SAE 2005 Transactions Journal of Fuels and Lubricants
Number: V114-4; Published: 2006-02-01
Number: V114-4; Published: 2006-02-01
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