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Surface solid-state interactions in copper-nickel-cement catalysts for hydrogenation of oxygen

  • Physical Chemistry
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Russian Chemical Bulletin Aims and scope

Abstract

The surface phase composition of alumocalcium cement-supported CuO and CuO-NiO catalysts prepared by chemical mixing has been studied using the method of thermo-vacuum curves of electric conductivity. The deactivation of these catalysts due to overheating to 800 °C under conditions of hydrogenation of oxygen is rationalized by the partial extraction of CuO (and NiO) from the stabilizing structure of the support solid solutions and by sintering of the extracted oxides and the reduced metallic phase. Complete regeneration of the CuO-NiO-talum catalysts can be achieved if a considerable amount (20%) of copper hydroxocarbonate is added.

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References

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Authors and Affiliations

  1. N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 117913, Moscow, Russian Federation

    A. A. Dulov, L. A. Abramova, E. M. Stasenko & V. I. Yakerson

  2. Institute of the Nitrogen Industry, 11 ul. Kirova, 301670, Novomoskovsk, Russian Federation

    V. N. Efremov, G. M. Tesakova & E. Z. Golosman

Authors
  1. A. A. Dulov
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  2. L. A. Abramova
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  3. E. M. Stasenko
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  4. V. N. Efremov
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  5. G. M. Tesakova
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  6. E. Z. Golosman
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  7. V. I. Yakerson
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Additional information

Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1559–1562, September, 1994.

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Dulov, A.A., Abramova, L.A., Stasenko, E.M. et al. Surface solid-state interactions in copper-nickel-cement catalysts for hydrogenation of oxygen. Russ Chem Bull 43, 1471–1474 (1994). https://doi.org/10.1007/BF00697129

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  • DOI: https://doi.org/10.1007/BF00697129

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