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Carbon-Covered Clays as Catalytic Supports. 1. Iron-Promoted Samples as Denox Catalysts

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Abstract

Deactivated sorbents from the oil industry were carbonized and used as supports which after promotion with Fe oxides were tested in selective catalytic reaction (SCR). The catalysts were characterized by N2 sorption, X-ray photoelectron spectroscopy and temperature-programmed desorption ammonia. Catalysts were active at a medium temperature range (∼473-573 K). Selectivity to N2 was 100%. Oxygen content influenced catalytic performance. H2O led to reversible poisoning, while SO2 addition to the SCR mixture resulted in irreversible poisoning.

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Authors and Affiliations

  1. Faculty of Fuels and Energy, University of Mining and Metallurgy, al. Mickiewicza 30, 30-059, Kraków, Poland

    Teresa Grzybek, Jerzy Klinik & Andrzej Kryżanowski

  2. Institute of Technical Chemistry, Faculty of Chemistry and Mineralogy, University of Leipzig, 04103, Leipzig, Germany

    Helmut Papp

Authors
  1. Teresa Grzybek
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  2. Jerzy Klinik
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  3. Andrzej Kryżanowski
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  4. Helmut Papp
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Grzybek, T., Klinik, J., Kryżanowski, A. et al. Carbon-Covered Clays as Catalytic Supports. 1. Iron-Promoted Samples as Denox Catalysts. Catalysis Letters 81, 193–197 (2002). https://doi.org/10.1023/A:1016577006524

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