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Pd-Perovskite Catalysts for Methane Emissions Abatement: Study of Pd Substitution Effects

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Abstract

Several perovskite-type oxide catalysts (LaMnO3, LaMn0.95Pd0.05O3, LaMn0.9Pd0.1O3, LaMn0.85Pd0.15O3, 6wt%Pd-LaMnO3) were prepared, characterized, and tested as catalysts for methane oxidation. The half conversion temperature of methane over the best catalyst (LaMn0.85Pd0.15O3) selected was 425 °C respect to 485 °C for LaMnO3. This catalyst and the 6wt%Pd-LaMnO3 one were then deposited on cordierite monoliths and tested. Half methane conversion (T 50) was achieved at about 300 °C (GHSV = 10000 h−1) for both catalytic converters. Conversely, the perovskite catalyst substituted with Pd showed a better thermal-proof property than that supporting dispersed Pd.

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Authors and Affiliations

  1. Department of Materials Science and Chemical Engineering, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129, Torino, Italy

    N. Russo, P. Palmisano & D. Fino

Authors
  1. N. Russo
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  2. P. Palmisano
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  3. D. Fino
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Correspondence to N. Russo.

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Russo, N., Palmisano, P. & Fino, D. Pd-Perovskite Catalysts for Methane Emissions Abatement: Study of Pd Substitution Effects. Top Catal 52, 2001–2006 (2009). https://doi.org/10.1007/s11244-009-9382-2

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  • DOI: https://doi.org/10.1007/s11244-009-9382-2

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