New Diesel exhaust gas aftertreatment systems, with combined DPF*) and deNOx (mostly SCR) systems represent a very important step towards zero emission Diesel fleet. These combined systems are already offered today by several suppliers for retrofitting of HD vehicles.Reliable quality standards for those quite complex systems are urgently needed to enable decisions of several authorities.The present report informs about the international network project VERT *) dePN (de-activation, de-contamination, disposal of particles and NOx), which was started in Nov. 2006 with the objective to introduce the SCR-, or combined DPF+SCR-systems in the VERT verification procedure.Examples of results for some of the investigated systems are given. These investigations included parameters, which are important for the VERT quality testing: besides the regulated gaseous emissions several unregulated components such as NH3, NO2 and N2O were measured. The analysis of nanoparticle emissions was performed with SMPS and NanoMet.


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    Titel :

    Testing of Combined DPF+SCR Systems for HD-retrofitting – VERTdePN


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Mayer, A. (Autor:in) / D’Urbano, G. (Autor:in) / Czerwinski, J. (Autor:in) / Lemaire, J. (Autor:in) / Heeb, N. (Autor:in) / Bunge, R. (Autor:in) / Zimmerli, Y. (Autor:in)

    Kongress:

    SAE World Congress & Exhibition ; 2009



    Erscheinungsdatum :

    2009-04-20




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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