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Decomposition of no over Cu-ZSM-5 prepared by solid-state ion exchange

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Abstract

Cu, H-ZSM-5 (Cu/H=1.5) prepared by solid-state ion exchange with excess CuCl proved to be, after reduction with CO at 500°C, highly active in NO decomposition even at reaction temperatures below 300°C, while reduction with hydrogen resulted in a catalyst which was much less active below 450°C but highly active at about 500°C. These phenomena are interpreted in terms of the role of Cu+ lattice cations and Brönsted acid sites involved in the mechanism of the catalytic reaction.

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Authors and Affiliations

  1. Central Research Institute of Chemistry, Hungarian Academy of Sciences, Pusztaszeri út 59-67, 1025, Budapest, Hungary

    I. Halász, G. Pál-Borbély & H. K. Beyer

Authors
  1. I. Halász
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  2. G. Pál-Borbély
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  3. H. K. Beyer
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Halász, I., Pál-Borbély, G. & Beyer, H.K. Decomposition of no over Cu-ZSM-5 prepared by solid-state ion exchange. React Kinet Catal Lett 61, 27–32 (1997). https://doi.org/10.1007/BF02477509

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