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Secondary Emissions Risk Assessment of Diesel Particulate Traps for Heavy Duty Applications
Technical Paper
2005-26-014
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Event:
SIAT 2005
Language:
English
Abstract
Most particulate traps efficiently retain soot of diesel engine exhaust but the potential hazard to form secondary emissions has to be controlled. The Diesel Particle Filter (DPF) regeneration is mainly supported by metal additives or metallic coatings. Certain noble or transition metals can support the formation of toxic secondary emissions such as Dioxins, Polycyclic Aromatic Hydrocarbons (PAH), Nitro-PAH or other volatile components. Furthermore, particulate trap associated with additive metals can penetrate through the filter system or coating metals can be released from coated systems. The VERT test procedure was especially developed to assess the potential risks of a formation of secondary pollutants in the trap. The present study gives an overview to the VERT test procedure. Aspects of suitability of different fuel additives and coating metals will be discussed and examples of trap and additive induced formation of toxic secondary emissions will be presented.
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Authors
- N. V. Heeb - EMPA Swiss Federal Laboratories for Material Testing and Research, Switzerland
- A. Ulrich - EMPA Swiss Federal Laboratories for Material Testing and Research, Switzerland
- L. Emmenegger - EMPA Swiss Federal Laboratories for Material Testing and Research, Switzerland
- J. Czerwinski - Swiss Agency for the Environment, Forests and Landscape, Switzerland
- A. Mayer - Swiss Agency for the Environment, Forests and Landscape, Switzerland
- M. Wyser - Swiss Agency for the Environment, Forests and Landscape, Switzerland
Topic
Citation
Heeb, N., Ulrich, A., Emmenegger, L., Czerwinski, J. et al., "Secondary Emissions Risk Assessment of Diesel Particulate Traps for Heavy Duty Applications," SAE Technical Paper 2005-26-014, 2005, https://doi.org/10.4271/2005-26-014.Also In
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