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LEANCAT: An Integrated Three Way Catalyst System for Lean Burn Engines
Technical Paper
2000-01-0859
ISSN: 0148-7191, e-ISSN: 2688-3627
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Event:
SAE 2000 World Congress
Language:
English
Abstract
This paper describes an integrated approach to the reduction of three pollutants; HC, CO, and NOx, as well as the soluble organic fraction of particulate matter emitted from engines operating with excess air. This technology is applicable to all lean burn engines and is particularly pertinent to natural gas, methane, and propane fueled engines due to the difficulty of catalytic oxidation of low molecular weight hydrocarbons, such as methane.
The technology uses existing catalytic materials and combines a novel approach to thermal management of the catalyst bed. Additionally, a HC rich exhaust serves as a reducing agent for a deNOx catalyst as well as a source of chemical energy to heat the catalyst.
This paper will detail the configuration of the catalyst system during testing, the test conditions under which the unit was run, and the results of emissions reduction and mechanical integrity tests.
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Citation
Edgar, B., Christ, A., and Beck, N., "LEANCAT: An Integrated Three Way Catalyst System for Lean Burn Engines," SAE Technical Paper 2000-01-0859, 2000, https://doi.org/10.4271/2000-01-0859.Also In
References
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- Kung, M.C. Park, P.W. Kim, D.W. Kung, H. H. “Lean NOx Catalysis over Sn/g -Al 2 O 3 Catalysts,” Journal of Catalysis 181 1 5 1999
- Yan, J.Y. Kung, H.H. Sachtler, W.H.M. Kung, M.C. “Synergistic Effect in Lean NOx Reduction by CH 4 over Co/Al 2 O 3 and H-Zeolite Catalysts,” Journal of Catalysis 175 294 301 1998