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Mössbauer and X-ray characterization and catalytic properties of Co-promoted ammonia synthesis catalysis

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Abstract

Phase composition of Co-promoted ammonia synthesis catalysts has been studied by means of Mössbauer spectroscopy and X-ray diffractometry. Co-promoted catalysts have maximum activity at 5–7% CoO concentration. This result is associated with the substitution of 1–2 Fe atoms by Co-atoms per unit cell of the bcc α-Fe lattice being the active phase for catalysis.

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Authors and Affiliations

  1. Department of Physical Chemistry, Higher School of Chemical Technology, Bourgas, (Bulgaria)

    T. M. Peev

  2. Mendeleev Institute of Chemical Technology, Moscow, (USSR)

    A. V. Krylova

  3. Laboratory of Nuclear Chemistry, L. Eötvös University, Budapest, (Hungary)

    E. Kuzmann & A. Vértes

Authors
  1. T. M. Peev
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  2. A. V. Krylova
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  3. E. Kuzmann
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  4. A. Vértes
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Peev, T.M., Krylova, A.V., Kuzmann, E. et al. Mössbauer and X-ray characterization and catalytic properties of Co-promoted ammonia synthesis catalysis. Journal of Radioanalytical and Nuclear Chemistry, Articles 134, 3–11 (1989). https://doi.org/10.1007/BF02047265

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  • DOI: https://doi.org/10.1007/BF02047265

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