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Speciation of Heavy Duty Diesel Exhaust Emissions under Steady State Operating Conditions
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Abstract
This paper presents results from a study on speciation of the emission profiles and on the ozone forming potential of heavy-duty diesel exhaust under steady state engine operation. Very limited attempts have been made at determining the ozone forming potential of heavy duty diesel exhaust emissions. In this study a proportional sample of the dilute exhaust was drawn from a CFV-CVS system using a temperature controlled sampling line. The particulate matter was collected on a 70 mm Teflon coated glass fiber filter (TX40HI20WW), the semi-volatiles on XAD-2 copolymer resin and volatiles in Tedlar bags. The samples were analyzed by gas chromatography after conditioning and chemical extractions.
The initial phase of the study was directed towards developing techniques and establishing protocols to determine the ozone forming potential of heavy-duty diesel exhaust. A pre-chamber naturally aspirated engine was tested on steady-state modes 1, 3, 5, 7 and 8 of the ISO 8 mode cycle. Mass emission rates and grams of ozone (potential) are presented for the volatiles, semi-volatiles and the particulate bound organics and also for the total exhaust. Emission rates of individual species within the volatiles, semi-volatiles and particle bound organics are also presented.
The maximum ozone forming potential (263.0 mg ozone/Bhp-hr) was attributed to exhaust emissions under steady state, rated speed and 50% load conditions with the 27.7% aromatic content fuel. The highest mass emission rates of hydrocarbons (402.89 mg/Bhp-hr) were also obtained at rated speed and 50% load conditions.
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Gautam, M., Gupta, D., EI-Gazzar, L., Lyons, D. et al., "Speciation of Heavy Duty Diesel Exhaust Emissions under Steady State Operating Conditions," SAE Technical Paper 962159, 1996, https://doi.org/10.4271/962159.Also In
References
- Black, F. High, B. 1979 “Methodology for Determining Particulate and Gaseous Diesel Hydrocarbon Emissions: SAE 790422
- CARB 1990 Low-emission Vehicles/Clean Fuels - Technical Support Document Mobile Source Division, Research Division, and Technical Support Division, California Air Resources Board Sacramento, California
- Carter, P. L. W. Pierce, A. J. Luo, D. Malkina, I. L. “Environmental Chamber Study of Maximum Incremental Reactivities of Volatile Organic Compounds” Atmospheric Environment 29 18 2499 2511 1995
- “Measurement and Characterization of Diesel Exhaust Emissions.” Perez, J. M. Hills, F. J. Schuetzle, D. Williams, R. L. 1980
- Funkenbusch, E. F. Leddy, D. G. Johnson, J. H. 1979 “The Characterization of the Soluble Organic Fraction of the Diesel Particulate Matter” SAE 790418
- Hammerle, R. H. Siegl, W. O. Herrman, H. M. Wenclawiak, B. W. 1995 “A Method for the Speciation of Diesel fuel and the Semi-Volatile Hydrocarbon Fraction of Diesel-Fueled Vehicle Exhaust Emissions” SAE 952353
- Hare, C. T. Bradow, R. L. 1979 “Characterization of Heavy-Duty Diesel Gaseous and Particulate Emissions, and Effects of Fuel Composition” SAE 790490
- Hochhauser, A. M. Benson, J. D. Burns, V. R. Gorse, R.A. Jr. Koehl, W. J. Painter, L. J. Reuter, R. M. Rutherford, J. A. 1992 “Speciation and Calculated Reactivity of Automotive Exhaust Emissions and their Relation to Fuel Properties-The Auto/Oil Air Quality Improvement Research Program” SAE 920325
- Hseih, D. P. H. Kado, N. Y. Okamoto, R. Kuzmicky. P. A. Rathbun, C. Ito, J. 1993 “Measurement and Chemical Characterization of Vapor-Phase Mutagens in Diesel Exhaust” Department of Environmental Toxicology, University of California Davis, California 1993
- Jensen, E. T. Siegl, O. W. Richert, F. O. L, Lipari, F. Loo, F. J. Prostak, A. Sigsby, E. J. 1992 “Advanced Emission Speciation Methodologies for The Auto/Oil Air Quality Improvement Research Program - I. Hydrocarbons and Ethers” SAE 920320
- Kantola, T. C. Bagley S. T. Gratz, L. D. Leddy, D. G. Johnson, J. H. 1992 “The Influence of a Low Sulfur Fuel and a Ceramic Particle Trap on the Physical, Chemical, and Biological Character of Heavy-Duty Diesel Emissions” SAE 920565
- Kraft, J. Hartung, A. Schulze, J. Lies, Karl-Heinz 1982 “Determination of Polycyclic Aromatic Hydrocarbons in diluted and Undiluted Exhaust Gas of Diesel Engines” SAE 821219
- Newkirk, M. S. Bass, E. A. 1995 “Reactivity Comparison of Exhaust Emissions from Heavy-Duty Engines Operating on Gasoline, Diesel, and Alternative Fuels” SAE 952442
- Perez, J. M. Hills, F. J. Schuetzle, D. Williams, R. L. 1980 “Measurement and Characterization of Diesel Exhaust Emissions” Coordinating Research Council APRAC Project CAPI-1-64 1980 Reed, Donald 1995 “Ozone” Automotive Engineering April 1995 57
- Spreen, K. B. Ullman, T. L. Mason, R. L. 1995 “Effects of Fuel Oxygenates, Cetane Number, and Aromatic Content on emissions from 1994 and 1998 Prototype Heavy-Duty Diesel Engines” Coordinating Research Council 1995
- Swarin, S. J. Loo, J. F. Drouillard, M. S. Chladek, E. TeJada, S. B. 1992 “Advanced Emissions Speciation Methodologies for the Auto/Oil Air Quality improvement Research program - II. Aldehyde, Ketones, and Alcohols.” SAE 920321
- Westerholm, R. N. Almen, J. Li, H. Rannug, J. U. Egeback, K. E. Gragg, K. 1991 “Chemical and Biological Characterization of Particulate-, Semi-Volatile-, Gas-Phase-Associated Compounds in Diluted Heavy-Duty Diesel Exhausts: A Comparison of Three Different Semivolatile-Phase Samplers.” Environ. Sci. Technol. 25 2 332 228