An analytical model was developed to simulate both sulfur adsorption and desorption characteristics based on the laboratory determined parameters. Diesel Lean NOx Trap (LNT) was tested under laboratory conditions to examine desulfation (deSOx) characteristics. Effects of different Lean/Rich (L/R) cycling of Air-Fuel ratio during the deSOx mode were investigated. The gradient of adsorbed sulfur along the axial direction of the sample LNT was also examined. The gradient of sulfur deposit, together with different L/R cycling combinations for the deSOx mode was critical to develop the efficient sulfur removal strategies. The model considered energy and mass balances during sulfur adsorption and desorption modes to predict the catalyst temperature and the amount of sulfur adsorbed and removed. HC and CO oxidation reactions as well as the oxygen storage were considered to estimate heat generated by the exothermic reactions. The analytical model demonstrated its usefulness in understanding sulfur adsorption and desorption behavior and assisted in developing directional optimal deSOx strategy.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Modeling and Laboratory Studies for DeSOx Characteristics of LNT


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Kim, Jeong Y. (Autor:in) / Adams, Karen M. (Autor:in) / Hammerle, Robert H. (Autor:in) / Cheng, Yisun (Autor:in)

    Kongress:

    SAE 2006 World Congress & Exhibition ; 2006



    Erscheinungsdatum :

    03.04.2006




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Sulfur Tolerance and DeSOx Studies on Diesel SCR Catalysts

    Lambert, Christine / Montreuil, Clifford / Cavataio, Giovanni et al. | SAE Technical Papers | 2008


    Sulfur tolerance and DeSOx studies on diesel SCR catalysts

    Cheng,Y. / Montreuil,C. / Cavataio,G. et al. | Kraftfahrwesen | 2008


    2008-01-1023 Sulfur Tolerance and DeSOx Studies on Diesel SCR Catalysts

    Cheng, Y. / Montreuil, C. / Cavataio, G. et al. | British Library Conference Proceedings | 2008


    A Comparative Life Cycle Assessment of Marine Desox Systems

    Cui, Mengqi / Lu, Yingwei / He, Jiahao et al. | Online Contents | 2021


    A Comparative Life Cycle Assessment of Marine Desox Systems

    Cui Mengqi / Lu Yingwei / He Jiahao et al. | DOAJ | 2021

    Freier Zugriff