The potential for catalysts, to operate with leaded fuel, was evaluated by screening catalysts under a variety of steady state and cyclic conditions with 0.4 g/l leaded fuel. The influence of precious metal loading, formulation and the level of inlet O2 was also evaluated.Pure Pt was superior to catalysts containing Pt and Pd. Cyclic aging provided much better catalyst performance retention than steady state exposure. The scavenging effect of HCl and HBr, which accomplishes deposit removal in the combustion chamber, may also operate on the catalyst where cyclic operation assures a proper balance of temperature above and below 550° C.


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    Titel :

    Implications of Precious Metal Catalysts with Leaded Fuels


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Zakrajsek, C. E. (Autor:in) / White, J. E. (Autor:in)

    Kongress:

    SAE International Congress and Exposition ; 1981



    Erscheinungsdatum :

    1981-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Implications of Precious Metal Catalysts with Leaded Fuels

    White,J.E. / Zakrajsek,C.E. / Ford Motor,US | Kraftfahrwesen | 1981


    Leaded fuels

    Mantell, L. | Engineering Index Backfile | 1944


    Leaded aircraft fuels

    Cattaneo, A.G. / Stanly, A.L. | Engineering Index Backfile | 1943


    Fuel systems for non-leaded fuels

    Garett,K. | Kraftfahrwesen | 1989


    Effects of organic sulphur compounds on the ignition of unleaded and leaded hydrocarbon fuels

    Cullis,C.F. / Hirschler,M.M. / Okorodudu,G.O. et al. | Kraftfahrwesen | 1982