Investigations into fuel compositional effects on emissions using model and full range fuels suggest aromatic components promote NOx conversion over the catalystSteady state results derived from a single engine (Ricardo Gasoline Fuels Consortium data) show that at a typical part load condition, the catalyst removes NOx less effectively with lower aromatic fuels. Neither CO nor H2 contribute significantly to catalyst performance.Two vehicles were tested over a European cycle. Toluene formed more combustion chamber NOx, offset by increased catalyst conversion efficiency giving lower tailpipe NOx than isooctane in the vehicle with the better catalyst light-off and AFR control.


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    Titel :

    NOx Aromatics Effects in Catalyst-Equipped Gasoline Vehicles


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Le Jeune, A. (Autor:in) / McDonald, C. R. (Autor:in) / Lee, R. G. (Autor:in)

    Kongress:

    International Fuels & Lubricants Meeting & Exposition ; 1994



    Erscheinungsdatum :

    01.10.1994




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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