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The Measurement and Sampling of Controlled Regeneration Emissions from a Diesel Wall-Flow Particulate Trap
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Abstract
A diesel exhaust sampling system was specially designed to measure and collect emissions from a ceramic wall-flow particulate trap during periods of controlled electric regeneration with the exhaust emissions bypassing the trap. This resulted in the regeneration emissions being independent of those produced during either baseline (no control) or trap (exhaust filtration) sampling conditions. This system provided data regarding the physical, chemical, and biological character of regeneration emissions relative to baseline and trap emissions. Selected emission levels measured continuously during the regeneration process were also used to define the particle combustion process in the trap core. Variations in hydrocarbons (HC), oxides of nitrogen (NOx), and particulate volume concentrations during the regeneration process were used to define four stages of the combustion process: preheat; combustion wave formation; combustion wave propagation; and combustion wave extinction. Particle concentrations were shown to be related to the location of the combustion wave front in the trap. Total particulate matter (TPM) mass emission rates from the trap were found to be two to three orders of magnitude lower than those measured at baseline or trap conditions, while peak particulate concentrations were similar to baseline and trap emission rates.
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Laymac, T., Johnson, J., and Bagley, S., "The Measurement and Sampling of Controlled Regeneration Emissions from a Diesel Wall-Flow Particulate Trap," SAE Technical Paper 910606, 1991, https://doi.org/10.4271/910606.Also In
References
- MacDonald JS Simon GM “Development of a Particulate Trap System for a Heavy-Duty Diesel Engine” SAE paper No. 880006 1988
- Cornetti GM Messori PP Operti C “Development of a Ceramic Particulate Trap for Urban Buses” Engine Emissions Technology for the 1990's 4 Oct. 1988 53 59
- Wade WR et al. “Thermal and Catalytic Regeneration of Diesel Particulate Traps” SAE paper No. 830083 1983
- Lepperhoff G Kroon G “Impact of Particulate Traps on the Hydrocarbon Fraction of Diesel Particles” SAE paper No. 850013 1983
- Rao et al. “Advanced Techniques for Thermal and Catalytic Diesel Particulate Trap Regeneration” SAE paper No. 850014 1985
- Arai M Miyashita S Sato K “Development and Selection of Diesel Particulate Trap Regeneration Systems” SAE paper No. 870012 1987
- Barris MA Rocklitz GJ “Development of Automatic Trap Oxidizer Muffler Systems” paper No. 890400 1989
- Laymac TD “A Study of the Controlled Regeneration Process of a Ceramic Wall-Flow Particulate Trap and Its Effect on the Physical, Chemical, and Biological Character of Diesel Exhaust” Michigan Technological University 1990
- Miller P et al. “The Effects of a Porous Ceramic Particulate Trap on the Physical, Chemical. and Biological Character of Diesel Particulate Emissions” SAE Transactions 92 287 315 1983
- Bagley ST Dorie LD Leddy DG Johnson JH “An Investigation into the Effect of a Ceramic Particulate Trap on the Chemical Mutagens in Diesel Exhaust” Health Effects Institute Report No. 5 Health Effects Inst. Cambridge, Mass. 1987
- Konstandopoulos AG Gratz LD Johnson JH Bagley ST Lady DG “Ceramic Particulate Traps for Diesel Emission Control - Effects of a Manganese-Copper Fuel Additive” SAE paper No. 880009 1988
- Waldenmaier DA “The sampling of Polynuclear Aromatic Hydrocarbons in the Particulate and Vapor Phases of Dilute Diesel Exhaust” Michigan Technological University 1988
- Dorie LD et al. “Collection and Characterization of Particulate and Gaseous-Phase Hydrocarbons in Diesel Exhaust Modified by Ceramic Traps” SAE paper No. 870254 1987
- Baumgard KJ Kittleson DB “The Influence of a Ceramic Particulate Trap on the size Distribution of Diesel Particulates” SAE Transactions 95 56 69 1986
- Bradow RL et al. “Sampling Diesel Engine Particulate and Artifacts from Nitrogen Oxide Interactions” SAE paper No. 820182 1982
- Herr JD et al. “The Role of Nitrogen in the Direct Microbial Mutagenic Activity for Diesel Engine Combustion in a Single-Cylinder Engine” SAE paper No. 820467 1982
- Bissett EJ Shadman F “Thermal Regeneration of Diesel Particulate Monolithic Filters” AIChE Journal 31 5 May 1985 753 758
- McCabe RW Sinkevitch RM “A Laboratory Combustion Study of diesel Particulates Containing Metal Additives” SAE paper No. 860011 1986
- Wade WR et al. “Thermal and Catalytic Regeneration of diesel Particulate Traps” SAE paper No. 830083 1983
- Konstandopoulos AG Johnson JH “Wall-Flow Diesel Particulate filters - Their Pressure Drop and collection Efficiency” SAE paper No. 890405 1989
- Davies CN Air Filtration Academic Press London 1966
- Eisner AD Rosner DE “Experimental Studies of Soot Particle Thermophoresis in Non-isothermal Combustion Gases Using thermocouple Response Techniques” Combustion and Flame 61 153 166 1985
- Vuk CT Jones MA Johnson JH “The Measurement and Analysis of the Physical Character of Diesel Particulate Emissions” SAE Transactions 85 SAE paper No. 760131 1976
- Wiczynski PD Johnson JH “The Effect of Ceramic Traps on Diesel Particulate Fractions” SAE paper No. 860620 1986
- Environmental Protection Agency “Emissions Certification and Test Procedures” Federal Register 52 241 Dec. 16 1987
- Gratz LD Bagley ST King KS Leddy DG Johnson JH “The Effect of a Ceramic Particulate Trap on the Particulate and Vapor Phase Emissions of a Heavy-Duty Diesel Engine” SAE Paper No. 910609 , SAE Congress and Exposition Detroit, MI Feb. 1991
- Stoltz SL Bagley ST “Analysis of Diesel Particulate Matter and Vapor Phase Samples Using the Micro-suspension Assay” Environmental and Molecular Mutagenesis 14 (Supplement 15) 15 1989
- Woon PV “The Theory and operation of an Electrostatic Diesel Particulate Sensor” Michigan Technological University 1987