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Influence of OSC material on the behaviour of metallic Pd catalysts in C2H4 and CO oxidation as well as in NO reduction

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Abstract

The interaction of CO, C2H4, O2, and NO reaction gas compounds over the metallic Pd/Al2O3 and Pd/OSC/Al2O3 monoliths was investigated in order to understand the behaviour of OSC material in the oxidation and reduction reactions. FT-IR gas analyser was used for the analysis of the product gas composition. Several activity experiments carried out with dissimilar feedstreams have revealed that the Ce x Zr1–x O2 mixed oxide is an oxygen storage compound, which promotes CO and C2H4 oxidation as well as NO reduction in particular at low temperatures.

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Authors and Affiliations

  1. Department of Process and Environmental Engineering, University of Oulu, P.O. Box 4300, FIN-90014, Oulu, Finland

    T. Kolli, K. Rahkamaa-Tolonen, U. Lassi & R. L. Keiski

  2. Ecocat Oy, Catalyst Research, P.O. Box 171, FIN-90101, Oulu, Finland

    A. Savimäki

Authors
  1. T. Kolli
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  2. K. Rahkamaa-Tolonen
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  3. U. Lassi
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  4. A. Savimäki
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  5. R. L. Keiski
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Correspondence to T. Kolli.

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Kolli, T., Rahkamaa-Tolonen, K., Lassi, U. et al. Influence of OSC material on the behaviour of metallic Pd catalysts in C2H4 and CO oxidation as well as in NO reduction. Topics in Catalysis 30, 341–346 (2004). https://doi.org/10.1023/B:TOCA.0000029772.96623.81

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  • DOI: https://doi.org/10.1023/B:TOCA.0000029772.96623.81

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