Particulate emissions of a two-stroke chainsaw engine were collected under controlled conditions in a test bench using a dilution tunnel for sampling. Two different types of gasolines and lubricating oils and the effect of exhaust after-treatment catalyst were studied. Particulate bound PAH:s and mutagenicity of the collected samples were determined.The particulates were found to originate mainly from the lubricating oil. There was a good correlation between the particulate bound PAH:s and the mutagenicity of the soluble organic fraction of the particulates. The amount of SOF was > 95% and originated mainly from lubricating oil. The catalyst performed more effectively with totally non-aromatic gasoline and synthetic lubricating oil than with reformulated gasoline with aromatics < 35 vol-% and mineral oil based lubricating oil. Using MTBE as an oxygenate in non-aromatic, special small engine gasoline reduced the PAH emissions and mutagenicity significantly even without the catalyst and the catalyst reduced the emissions even further.


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    Titel :

    MUTAGENICITY AND PAH:S OF PARTICULATE EMISSIONS OF TWO-STROKE CHAINSAW ENGINES


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Elonen, E. (Autor:in) / Sorvari, J. (Autor:in) / Pitkänen, M. (Autor:in) / Laanti, S. (Autor:in)

    Kongress:

    Small Engine Technology Conference & Exposition ; 2001



    Erscheinungsdatum :

    2001-12-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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