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Aftertreatment strategy for reducing emissions from an ethanol fueled CI engine
Luleå University of Technology, Department of Health Sciences, Medical Science.
2009 (English)In: SAE 2009 International Powertrains, Fuels & Lubricants Meeting: June 15 - 17, 2009, Grand Hotel Mediterraneo, Florence, Italy ; [papers], Warrendale, Pa.: Society of Automotive Engineers, Incorporated , 2009Conference paper, Published paper (Refereed)
Abstract [en]

A nine liters ethanol-fueled CI engine was equipped with aftertreatment devices while different ratios of exhaust gas recirculation (EGR) were tested. The NO\dX emissions were negatively correlated to the EGR-ratio and NO\dX reductions of between 33% and 73% were obtained. Unfortunately, the decrease in NO\dX was followed by increased emissions of carbon monoxide, hydrocarbons, particulate matter and higher fuel consumption. The particle number emission increased approximately 4 times and particle sizes above 200 nm became more frequent when using EGR. The remedy for these emissions was to combine an oxidation catalyst and a diesel particle filter (DPF), while keeping the EGR-ratio low to minimize fuel consumption. Equipped like this, the engine passed the Euro 5 regulation as well as the Enhanced Environmentally Friendly Vehicles standard (EEV).

Place, publisher, year, edition, pages
Warrendale, Pa.: Society of Automotive Engineers, Incorporated , 2009.
Series
S A E Technical Papers, ISSN 0148-7191
Identifiers
URN: urn:nbn:se:ltu:diva-27106DOI: 10.4271/2009-01-1949Local ID: 07149b80-5c00-11de-9f57-000ea68e967bOAI: oai:DiVA.org:ltu-27106DiVA, id: diva2:1000287
Conference
SAE International Powertrains, Fuels & Lubricants Meeting : 15/06/2009 - 17/06/2009
Note

Validerad; 2009; 20111201 (ysko)

Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-12-14Bibliographically approved

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