Remarkable enhancement in durability of Pd/H-ZSM-5 zeolite catalysts for CH4-SCR

Masaru Ogura, Susumu Kage, Masayoshi Hayashi, Masahiko Matsukata, Eiichi Kikuchi

    Research output: Contribution to journalArticle

    31 Citations (Scopus)

    Abstract

    Effect of second components on the catalytic performance of Pd/H-ZSM-5 zeolite.(Pd: 0.4 wt.%) was evaluated by a durability test of NO reduction with CH4 at a relatively high temperature of 500°C in the presence of water vapor for a prolonged period. The Pd/H-ZSM-5 showed high stable activity for this reaction without H2O in the reactant feed, while immediate and irreversible deactivation was observed in the presence of H2O, resulting in no activity after 7 h. The second components such as Co, Rh, Ag, Ce, and Fe introduced individually to the Pd/H-ZSM-5 enhanced the durability, and in particular the addition of 3.3 wt.% Co led to a stable NO conversion for more than 40 h in the presence of H2O. (C) 2000 Elsevier Science B.V.

    Original languageEnglish
    JournalApplied Catalysis B: Environmental
    Volume27
    Issue number4
    DOIs
    Publication statusPublished - 2000 Aug 28

    Fingerprint

    Thyristors
    durability
    zeolite
    Durability
    catalyst
    Catalysts
    Steam
    Water vapor
    water vapor
    Temperature
    ZSM-5 zeolite
    effect
    test

    Keywords

    • CH-SCR
    • Co/Pd/H-ZSM-5
    • Durability
    • Pd/H-ZSM-5

    ASJC Scopus subject areas

    • Catalysis
    • Process Chemistry and Technology
    • Environmental Chemistry

    Cite this

    Remarkable enhancement in durability of Pd/H-ZSM-5 zeolite catalysts for CH4-SCR. / Ogura, Masaru; Kage, Susumu; Hayashi, Masayoshi; Matsukata, Masahiko; Kikuchi, Eiichi.

    In: Applied Catalysis B: Environmental, Vol. 27, No. 4, 28.08.2000.

    Research output: Contribution to journalArticle

    Ogura, Masaru ; Kage, Susumu ; Hayashi, Masayoshi ; Matsukata, Masahiko ; Kikuchi, Eiichi. / Remarkable enhancement in durability of Pd/H-ZSM-5 zeolite catalysts for CH4-SCR. In: Applied Catalysis B: Environmental. 2000 ; Vol. 27, No. 4.
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    AU - Kage, Susumu

    AU - Hayashi, Masayoshi

    AU - Matsukata, Masahiko

    AU - Kikuchi, Eiichi

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