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Surface isocyanate intermediate formed during the catalytic reduction of nitrogen oxide in the presence of oxygen and propylene

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Abstract

IR spectroscopic measurements have revealed that an IR band ascribable to adsorbed isocyanate species grows up when alumina-supported Cu-Cs oxide catalyst is exposed to a mixture of NO, O2 and C3H6 at room temperature and subsequently heated to 400 °C in vacuum. The species produces N2, CO2 and CO in the ratio of ca. 2:1:1 in the presence of NO at 350°C. Alumina and alumina-supported Cu oxide catalyst are less active for the formation of isocyanate species.

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Authors and Affiliations

  1. Institute for Molecular Science, Myodaiji, 444, Okazaki, Japan

    Yuji Ukisu, Shinri Sato, Gyo Muramatsu & Kiyohide Yoshida

  2. Riken Corp., 360, Kumagaya, Japan

    Gyo Muramatsu & Kiyohide Yoshida

Authors
  1. Yuji Ukisu
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  2. Shinri Sato
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  3. Gyo Muramatsu
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  4. Kiyohide Yoshida
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Ukisu, Y., Sato, S., Muramatsu, G. et al. Surface isocyanate intermediate formed during the catalytic reduction of nitrogen oxide in the presence of oxygen and propylene. Catal Lett 11, 177–181 (1991). https://doi.org/10.1007/BF00764083

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  • DOI: https://doi.org/10.1007/BF00764083

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