The general introduction of three-way catalysts in W-Europe starting in 1992 focusses again the attention of car manufacturers on the costs of the precious metals formulation.Three strategies to reduce those costs are discussed: 1. the decrease of the platinum/rhodium loading; 2. the replacement of platinum by palladium and 3. the combination of platinum/rhodium with palladium/rhodium catalysts. The results show that under appropriate conditions of use catalysts with about 20 US$/1 precious metal cost could be a valuable automotive emission control tool.


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    Title :

    Three-way Catalyst Concepts with Optimized Low Precious Metal Loadings


    Additional title:

    Sae Technical Papers


    Contributors:
    Engler, B. (author) / Koberstein, E. (author) / Lox, E. (author)

    Conference:

    International Congress & Exposition ; 1990



    Publication date :

    1990-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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