Promoting Effect of CeO2 on the Catalytic Activity of Rhodium Supported on Y-Stabilized ZrO2 for NO–CO–C3H6–O2 Reactions

  • Masaaki Haneda
    Advanced Ceramics Research Center, Nagoya Institute of Technology
  • Hirotaka Sawada
    Advanced Ceramics Research Center, Nagoya Institute of Technology
  • Naoto Kamiuchi
    Advanced Ceramics Research Center, Nagoya Institute of Technology
  • Masakuni Ozawa
    Advanced Ceramics Research Center, Nagoya Institute of Technology

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<jats:title>Abstract</jats:title> <jats:p>The catalytic activity of Rh supported on Y-stabilized ZrO2 for NO–CO–C3H6–O2 reactions under stoichiometric conditions was improved by the addition of 5 mol % CeO2, whereas an excess amount of CeO2 of more than 10 mol % caused a decrease in the NO reduction activity. The improvement was ascribed to the formation of easily reducible Rh species through interaction with a Ce–Zr solid solution.</jats:p>

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  • Chemistry Letters

    Chemistry Letters 42 (1), 60-62, 2012-12-29

    Oxford University Press (OUP)

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