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ISSN 2029-7092 online
ISBN 978-609-457-690-4 CD
ISBN 978-609-457-640-9
 Environmental Protection

Michał Śmieja, Sławomir Wierzbicki

Influence of content of methane in biogas on emission of toxic substances in diesel engine supplied with bifuel

Conference Information: 9th International Conference on Environmental Engineering, MAY 22-23, 2014 Vilnius, LITHUANIA
Source: ICEE-2014 - International Conference on Environmental Engineering
Book Series: International Conference on Environmental Engineering (ICEE) Selected papers
ISSN: ISSN 2029-7092 online
ISBN: 978-609-457-640-9 / 978-609-457-690-4 CD
Year: 2014
Publisher: Vilnius Gediminas Technical University Press Technika

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Reduction of toxic compound emissions to the atmosphere is currently the main operating criterion for combustion engines. One possible method for lowering the emissions by combustion engines involves using biogas as an alternative fuel. Biogas can be obtained from different raw materials using different technologies. Therefore, the content of methane, the main combustible biogas component, varies widely. Biogas can be used as fuel directly for feeding spark-ignition engines. Biogas use is more difficult for compression-ignition engines because of the quite high methane auto-ignition temperature. Therefore, the use of biogas as fuel for compression-ignition engines requires the injection of a small liquid fuel charge into the combustion chamber, whose aim is to cause the ignition of the produced air/biogas mixture. This paper presents the preliminary results of a study on toxic compound emissions by a dual-fuel compression ignition engine with the main fuel charge fed as biogas.

Keywords: CI engine; biogas; methane; toxic emission.

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