When a new type of fuel is introduced, it is necessary to ensure that exhaust gas aftertreatment systems work properly with these fuels. Today diesel particulate filter (DPF) is an inherent part of current diesel engine's exhaust gas aftertreatment system due to stringent exhaust emission limits. The functioning of DPF depends on the composition of soot particulates of exhaust gas, whereas the type of soot depends on the fuel used.To avoid clogging, DPF has to be regenerated regularly. This regeneration is usually increasing fuel consumption, so the longer the regeneration interval is, the better is fuel economy. Fuel quality and engine-out particulate emissions are important factors affecting to the need of regeneration. Renewable fuels burn cleanly and produce less particulate emissions than ordinary diesel fuel. Therefore, the increase of exhaust backpressure is slower enabling longer regeneration frequency.Hydrotreating of vegetable oils is an industrial scale alternative to esterification for producing biobased diesel fuels. Hydrotreated vegetable oils (HVO) consist of high cetane number paraffinic hydrocarbons that are free of aromatics and sulfur. HVO is superior to ester-type biodiesel (FAME) when considering stability, NOx emissions, tendency to dilute engine oil and winter conditions.


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    Title :

    Effect of Hydrotreated Vegetable Oil (HVO) on Particulate Filters of Diesel Cars


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE International Powertrains, Fuels and Lubricants Meeting ; 2011



    Publication date :

    2011-08-30




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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