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The structure and activity of Ni-Cr2O3 and Ni-Cu-Cr2O3 catalysts

Communication 1. Phase analysis, texture, and their variation during the catalytic reaction

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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    Under the conditions of reduction studies, a substantial amount of the NiO phase remains in Ni-Cr2O3 catalysts, and does not disappear even during the dehydrogenation of cyclohexane on these catalysts. During the work there is an appreciable increase in the dimensions of the Ni crystals.

  2. 2.

    In coprecipitated oxides with the composition NiO-CuO-Cr2O3, at the temperature of calcination 600°, intensive formation of spinel NiCr2O4 is observed.

  3. 3.

    Reduced Ni-Cu-Cr2O3 catalysts contain a substantial amount of the NiO phase, the NiCr2O4 phase, and the Ni-Cu solid solution, and metallic nickel as well in the case of a larger nickel content.

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Literature cited

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Authors and Affiliations

  1. N. D. Zelinskii Institute of Organic Chemistry, Academy of Sciences of the USSR, USSR

    A. M. Rubinshtein, A. A. Slinkin, A. L. Klyachko-Gurvich, É. A. Fedorovskaya, D. P. Shashkin & N. A. Pribytkova

Authors
  1. A. M. Rubinshtein
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  2. A. A. Slinkin
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  3. A. L. Klyachko-Gurvich
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  4. É. A. Fedorovskaya
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  5. D. P. Shashkin
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  6. N. A. Pribytkova
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 691–697, April, 1971.

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Rubinshtein, A.M., Slinkin, A.A., Klyachko-Gurvich, A.L. et al. The structure and activity of Ni-Cr2O3 and Ni-Cu-Cr2O3 catalysts. Russ Chem Bull 20, 621–625 (1971). https://doi.org/10.1007/BF00853886

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  • DOI: https://doi.org/10.1007/BF00853886

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