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The Effect of Catalyst Ageing on the Composition of Gasoline Engine Hydrocarbon Emissions
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Abstract
Twenty-three hydrocarbons were measured in the exhaust gases from a Volvo passenger car fitted with a 2.3 litre gasoline engine. Measurements were made in the absence of a catalyst, and in the presence of a fresh and an aged three-way catalyst, with particular attention being paid to the emission of benzene and other light aromatic compounds.
Loss of catalytic activity through ageing led to an increase in hydrocarbons of ∼ 200% from 0.22 to 0.62 g/mile. Loss of activity was most evident for certain compounds notably alkanes (paraffins) although large increases in aromatic emissions were also apparent; catalytic control of ethyne (acetylene) was, however, completely maintained by the aged catalyst. Thus the work reported here demonstrates the selective manner in which a catalyst operates depending upon the chemical structure of hydrocarbons, and how this influences catalyst performance loss via ageing.
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Citation
Andersson, S., Frestad, A., Dempster, N., and Shore, P., "The Effect of Catalyst Ageing on the Composition of Gasoline Engine Hydrocarbon Emissions," SAE Technical Paper 910174, 1991, https://doi.org/10.4271/910174.Also In
References
- CONCAWE (Oil Companies European Organization for Environmental and Health Protection) “Motor Vehicle Emission Regulations and Fuel Specifications - 1990 Update” 1990 CONCAWE, B-1030 Brussels, Belgium
- Bailey J.C. Schmidl, B.W.C. Williams, M.L. “Hydrocarbon Speciation in Motor Vehicle Exhaust and Its Significance for Air Quality” Institution of Mechanical Engineers Paper C327/87 1987
- California Air Resources Board (CARB) “Motor Vehicle Toxics: Assessment of Sources, Potential Risks and Control Measures” Mobile Source Division El Monte, California June 1989
- Derwent, R.G. Hough, A.M. “Modelling Secondary Pollutants from Motor Vehicles and Their Control” Institution of Mechanical Engineers Paper C330-87 1987
- Lowi, A. Carter, W.P.L. “A Method for Evaluating the Atmospheric Ozone Impact of Actual Vehicle Emissions” SAE 900710 1990
- Adler, J.M. Carey, P.M. “Air Toxics Emissions and Health Risks from Motor Vehicles” U.S. Environmental Protection Agency 2565 Plymouth Road, Ann Arbor, MI. 1989
- Pelz, N. Dempster, N.M. Hundleby, G.E. Shore, P.R. “The Composition of Gasoline Engine Hydrocarbon Emissions - An Evaluation of Catalyst and Fuel Effects” SAE 902074 1990
- Williams, R.L. Lipari, F. Potter, R.A. “Formaldehyde, Methanol and Hydrocarbon Emissions from Methanol-Fueled Cars” J. Air Waste Manage. Assoc. 40 1990 747 756
- Jackson, M.W. “Effect of Catalytic Emission Control on Exhaust Hydrocarbon Composition and Reactivity” SAE 780624 1978
- Häsänen, E. Karlsson, V. Leppämaki, E. Juhala, M. “Benzene, Toluene and Xylene Concentrations in Car Exhaust and in City Air” Atmos. Environ. 15 1981 1755 1757
- Lies, K.H. Postulka, A. Gring, H. “Characterization of Exhaust Emissions from Diesel-Powered Passenger Cars with Particular Reference to Unregulated Components” SAE 840361 1984
- Lipari, F. “Determination of Individual Hydrocarbons in Automobile Exhaust from Gasoline- Methanol-, and Variable-Fueled Vehicles” J. Chromatogr 503 1990 51 68
- Lonneman, W.A. Sella, R.L. Meeks, S.A. “Non-Methane Organic Composition in the Lincoln Tunnel” Environ. Sci. Techno1. 20 1986 790 796
- Marshall, W.F. Gurney, M.D. “Effect of Gasoline Composition on Emissions of Aromatic Hydrocarbons” SAE 892076 1989
- Matthews, R.D. “Emission of Unregulated Pollutants from Light Duty Vehicles” Int. J. Vehicle Design 5 1984 475 489
- Metz, N. “Personenwagen-Abgasemissionen im Spurenbereich” Automobiltechnische Zeitschrift 86 1984 425 430
- Sigsby, J.E. Tejada, S.B. Ray, W. Lang, J.M. Duncan, J.W. “Volatile Organic Compound Emission from 46 In-Use Passenger Cars” Environ. Sci. Techno1. 22 1990 956 962
- Stump, F. Tejada, S.B. Ray, W. Dropkin, D. Black, F. Crews, W. Snow, R. Sindak, P. Davis, C.O. Baker, L. Perry, N. “The Influence of Ambient Temperature on Tailpipe Emissions from 1984-1987 Model Year Light-Duty Gasoline Motor Vehicles” Atmos. Environ. 23 1989 307 320
- Dempster, N.M. Shore, P.R. “An Investigation into The Production of Hydrocarbon Emissions from a Gasoline Engine Tested on Chemically Defined Fuels” SAE 900354 1990
- Environmental Protection Agency “Control of Air Pollution from New Motor Vehicles and New Motor Vehicle Engines - Federal Certification Test Results for 1990 Model Year” EPA Ann Arbor, MI. 1990
- Gandhi, H.S. “Technical Considerations for Catalyst for European Market” Institution of Mechanical Engineers Paper C344/87 1987
- Gandhi, H.S. Shelef, M. “Catalytic Control of Hydrocarbons in Automotive Exhaust” 1037 1047 “Atmospheric Ozone Research and Its Policy Implications” Schneider T. et al Elsevier Amsterdam 1990
- Pelz, N. Dempster, N.M. Shore, P.R. “Analysis of Low Molecular Weight Hydrocarbons Including 1,3-Butadiene in Engine Exhaust Gases Using an Aluminum Oxide Porous-Layer Open-Tubular Fused- Silica Column” J. Chromatogr. Sci. 28 1990 230 235
- Environmental Protection Agency “Control of Air Pollution from New Motor Vehicles and New Motor Vehicle Engines - Certification Procedures” Federal Register 28 February 1990 55
- Wigg, E.E. “Reactive Exhaust Emissions from Current and Future Emission Control Systems” SAE 730196 1973
- Yao, Y-F. Y. “Oxidation of Alkanes over Noble Metal Catalysts” Ind. Eng. Chem. Prod. Res. Dev. 19 1980 293 298