Several Li-Cr delafossite catalysts were prepared via the so-called “Solution Combustion Synthesis (SCS)” method, characterized and tested as catalysts for the combustion of diesel soot. These catalysts already showed appreciable activity at 350 °C even under loose contact conditions. An in situ SCS method was tailored to the preparation of a LiCr0.9O2 -catalyzed trap based on a SiC wall-flow monolith. Engine bench tests on these catalytic traps showed that the presence of the catalyst enabled both a more complete regeneration and a one-third fold reduction of the regeneration time compared to the case of a non-catalytic trap.


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    Title :

    Delafossite based catalysts for diesel soot removal for passenger cars and light duty vehicles


    Additional title:

    Sae Technical Papers


    Contributors:
    Raimondi, A. (author) / Renzullo, A. (author) / Tarabocchia, A. (author) / Fino, D. (author) / Mescia, D. (author) / Saracco, G. (author) / Villata, G. (author) / Russo, N. (author) / Specchia, V. (author)

    Conference:

    8th International Conference on Engines for Automobiles ; 2007



    Publication date :

    2007-09-16




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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