An H2S odor problem has appeared for certain vehicles fitted with modern three-way catalysts. A sulfur storage/H2s release mechanism is proposed as a source of the odor problem. The effects of various operating parameters on the release of H2S are presented. Two methods of modifying three-way catalysts to minimize H2S release while maintaining good catalyst performance and high temperature durability are demonstrated.


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    Title :

    Sulfur Storage and Release from Automotive Catalysts


    Additional title:

    Sae Technical Papers


    Contributors:
    Denison, G. W. (author) / White, J. J. (author) / Henk, M. G. (author)

    Conference:

    1987 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1987



    Publication date :

    1987-11-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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