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The CH4/NO/O2 “Lean-deNOx” Reaction on Mesoporous Mn-Based Mixed Oxides

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Abstract

High surface area Mn-based porous oxides (MANPO) containing additives like Ce, Sr and La were found to be very active and selective materials under 0.67% CH4/0.2% NO/5% O2 “lean-deNO x ” conditions in the 200–300°C low-temperature range. These materials perform also impressively in the presence of 4% H2O in the feed stream, where a N2 selectivity of 98% and an excellent stability over 24 h on stream have been observed. The MANPO materials can be considered serious competitors of noble metals for low-temperature “lean-deNO x ” applications.

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Authors and Affiliations

  1. Department of Chemistry, University of Ioannina, Ioannina, 45110, Greece

    V.N. Stathopoulos & P.J. Pomonis

  2. Department of Chemistry, University of Cyprus, PO Box 20537, CY 1678, Nicosia, Cyprus

    C.N. Costa

  3. Department of Chemistry, University of Cyprus, PO Box 20537, CY 1678, Nicosia, Cyprus

    A.M. Efstathiou

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  1. V.N. Stathopoulos
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  2. C.N. Costa
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  3. P.J. Pomonis
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  4. A.M. Efstathiou
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Stathopoulos, V., Costa, C., Pomonis, P. et al. The CH4/NO/O2 “Lean-deNOx” Reaction on Mesoporous Mn-Based Mixed Oxides. Topics in Catalysis 16, 231–235 (2001). https://doi.org/10.1023/A:1016680125242

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