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An Investigation on Aldehyde and Ammonia Emissions from a 4-Stroke Gasoline-Fueled Motorcycle. Ammonia Emission Reduction by using a SCR Catalyst
Technical Paper
2013-36-0181
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In order to comply with the introduction of new emission limits, motorcycles have been equipped with electronic injection systems and three-way catalytic converters for emissions abatement. However, these converters produce unwanted reactions, such as the formation of ammonia. This paper was focused on ammonia emission reduction in motorcycles.
To provide ammonia abatement, one SCR (Selective Catalytic Reduction) catalyst has been developed and installed in a fourstroke motorcycle in addition to the original one, a three way catalyst (TWC). SCR systems work by chemically reducing NOx (NO and NO2) to nitrogen (N2). This is an experimental research work conducted by the Research and Development Institute (Lactec) and the Umicore Automotive Catalysts.
Regulated and unregulated emissions have been measured in a chassis dynamometer test cell.
The results show that it is possible to reduce ammonia emissions, but the SCR catalyst performance has to be improved by optimizing the SCR technology and position, increasing the temperature inside the SCR, and promoting proper chemical reaction to reduce NOx.
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Authors
- Luiz Carlos Daemme
- Renato de Arruda Penteado - Institute of Technology for Development -LACTEC Brazil
- Cláudio Furlan - Institute of Technology for Development -LACTEC Brazil
- Marcelo Errera - Institute of Technology for Development -LACTEC Brazil
- Fátima M. Z. Zotin - Institute of Technology for Development -LACTEC Brazil
Citation
Daemme, L., de Arruda Penteado, R., Furlan, C., Errera, M. et al., "An Investigation on Aldehyde and Ammonia Emissions from a 4-Stroke Gasoline-Fueled Motorcycle. Ammonia Emission Reduction by using a SCR Catalyst," SAE Technical Paper 2013-36-0181, 2013, https://doi.org/10.4271/2013-36-0181.Also In
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