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Pillared montmorillonites modified with silver

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Abstract

Alumina, zirconia and titania pillared montmorillonites additionally modified with silver were tested as catalysts of NO reduction with NH3 or C2H4. Ammonia was much more effective reducer of NO than ethylene. The silver containing TiO2-pillared clay has been found to be the most active catalyst for NO reduction both with NH3 or C2H4. Oxidation of the reducing agents by oxygen limited the NO conversion in the high temperature region. The ammonia and nitric oxide adsorption sites were studied by the temperature programmed desorption methods (TPD).

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Authors and Affiliations

  1. Faculty of Chemistry, Jagiellonian University Ingardena 3, 30-060, Cracow, Poland

    L. Chmielarz, M. Zbroja, P. Kuśtrowski, B. Dudek & A. Rafalska-Łasocha

  2. Regional Laboratory for Physicochemical Analyses and Structural Research Ingardena 3, 30-060, Cracow, Poland

    R. Dziembaj

Authors
  1. L. Chmielarz
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  2. M. Zbroja
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  3. P. Kuśtrowski
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  4. B. Dudek
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  5. A. Rafalska-Łasocha
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  6. R. Dziembaj
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Chmielarz, L., Zbroja, M., Kuśtrowski, P. et al. Pillared montmorillonites modified with silver. Journal of Thermal Analysis and Calorimetry 77, 115–123 (2004). https://doi.org/10.1023/B:JTAN.0000033194.99509.c5

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  • DOI: https://doi.org/10.1023/B:JTAN.0000033194.99509.c5

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