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Reactivity and transformation routes of surface nitrates in the reaction of NOx reduction by C3H8 over cation-exchanged zeolites

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Abstract

FITRS combined with15N and18O isotope substitution and TPD have revealed that nitrates are the most abundant ad-NOx species on over-exchanged Cu- and Co-ZSM-5 zeolites. the transformation rates of such species under the action of a propane—oxygen mixture were found to be comparable and sufficiently high to afford steady-state catalytic activities. A scheme of the reaction mechanism including C, N-containing intermediates detected in work is suggested.

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Authors and Affiliations

  1. Federal Scientific Center, Boreskov Institute of Catalysis, 630090, Novosibirsk, Russia

    V. A. Sadykov, E. A. Paukshtis, G. M. Alikina, S. A. Veniaminov & R. V. Bunina

  2. Novosibirsk State University, 630090, Novosibirsk, Russia

    S. A. Beloshapkin & E. V. Netyaga

  3. Chemical Department, Lomonosov Moscow State University, 119899, Moscow, Russia

    E. V. Lunina & A. N. Kharlanov

  4. Semenov Institute of Chemical Physics RAN, 117334, Moscow, Russia

    V. A. Matyshak

  5. Topchiev Institute of Petrochemical Synthesis RAN, 117912, Moscow, Russia

    V. V. Lunin & A. Ya. Rozovskii

Authors
  1. V. A. Sadykov
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  2. E. A. Paukshtis
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  3. S. A. Beloshapkin
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  4. G. M. Alikina
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  5. S. A. Veniaminov
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  6. E. V. Netyaga
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  7. R. V. Bunina
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  8. E. V. Lunina
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  9. A. N. Kharlanov
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  10. V. V. Lunin
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  11. V. A. Matyshak
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  12. A. Ya. Rozovskii
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Sadykov, V.A., Paukshtis, E.A., Beloshapkin, S.A. et al. Reactivity and transformation routes of surface nitrates in the reaction of NOx reduction by C3H8 over cation-exchanged zeolites. React Kinet Catal Lett 65, 113–119 (1998). https://doi.org/10.1007/BF02475324

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  • DOI: https://doi.org/10.1007/BF02475324

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