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Differential utilization of the surface of aluminum oxide in the production of complex and mixed catalysts Communication 3. Catalysts Al2O3/Al2O3 and dependence of their activity on the nature of the carrier

  • Physical Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    It was shown for the example of dehydration of isopropanol in the adsorption layer that the nature of the surface inhomogeneity of the carrier depends substantially on the activity of complex catalysts of the Al2O3/Al2O3 type.

  2. 2.

    The differences in the catalytic activity of the samples of Al2O3 studied are not associated with their volume properties and are preserved when the surface layer is completed or partially dissolved. These differences are evidently determined by the properties of the active sites, which comprise only a negligible fraction of the surface.

  3. 3.

    It was hypothesized that both gradual coverage of the entire surface and layer-by-layer adsorption on the most active sites are possible in the case of adsorption production of the catalysts.

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Literature cited

  1. V.É. Vasserberg, in: Problems of Kinetics and Catalysis [in Russian], Vol.11, Nauka (1967), p. 229.

  2. I.L. Nakhshunova, V.I. Yakerson, and V.É. Vasserberg, Izv. Akad. Nauk SSSR, Ser. Khim., 2124 (1969).

  3. F.E. Englina, V.É. Vasserberg, and A. A. Balandin, Izv. Akad. Nauk SSSR, Ser. Khim., 1036 (1967).

  4. F.E. Englina, V.É. Vasserberg, and A.A. Balandin, Izv. Akad. Nauk SSSR, Ser. Khim., 1714 (1967).

  5. L. de Mourgues, S. Peyron, Y. Trambouze, and M. Prettre, J. Catalysis,7, 117 (1967).

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Authors and Affiliations

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

    I. L. Nakhshunova, F. É. Énglina & V. É. Vasserberg

Authors
  1. I. L. Nakhshunova
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  2. F. É. Énglina
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  3. V. É. Vasserberg
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2379–2385, November, 1971.

X-ray diffraction analysis of aluminum oxide was conducted in the Laboratory of Catalyst Research by D. P. Shashkin, to whom the authors would like to express their gratitude.

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Nakhshunova, I.L., Énglina, F.É. & Vasserberg, V.É. Differential utilization of the surface of aluminum oxide in the production of complex and mixed catalysts Communication 3. Catalysts Al2O3/Al2O3 and dependence of their activity on the nature of the carrier. Russ Chem Bull 20, 2262–2266 (1971). https://doi.org/10.1007/BF00854292

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  • DOI: https://doi.org/10.1007/BF00854292

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