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The investigation of polyfunctional zeolite catalysts

4. Catalytic properties of mechanical mixtures of NiNaA, NiNaX, and CaNaY zeolites in alkylation of benzene by ethylene

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

Conclusions

  1. 1.

    Mixtures of NiNaA and CaNaY or NiNaX and CaNaY zeolites, one of which is active in ethylene dimerization and the other of which is active in alkylation of benzene with olefins, are bifunctional catalytic systems and are effective in the synthesis of secondary butylbenzene (SBB) from C6H6 and C2H4.

  2. 2.

    The properties of these systems can be regulated by changing the ratio of components responsible for the activity of the catalysts in various reactions, the method of their mixing, and also the conditions of use.

  3. 3.

    In NiNaX-CaNaY catalysts, obtained by pressing mixtures of powdery zeolites, Ni2+ and Ca2+ cations evidently migrate from one zeolite to another, as a result of which catalysts are formed, possessing high activity in dimerization of C2H4 and the synthesis of SBB, which would be expected with simple additivity of the properties of NiNaX and CaNaY.

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Literature cited

  1. Kh. M. Minachev, V. I. Garanin, and Ya. I. Isakov, Usp. Khim.,35, 2151 (1966).

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  7. Kh. M. Minachev, Ya. I. Isakov, V. P. Kalinin, A. L. Lapidus, and Ya. T. Éidus, Izv. Akad. Nauk SSSR, Ser. Khim., 1334 (1974).

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Authors and Affiliations

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

    Kh. M. Minachev, Ya. I. Isakov & V. P. Kalinin

Authors
  1. Kh. M. Minachev
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  2. Ya. I. Isakov
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  3. V. P. Kalinin
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 829–833, April, 1977.

The authors express their gratitude to E. S. Shpiro for scanning the x-ray photoelectronic spectra of the catalysts.

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Minachev, K.M., Isakov, Y.I. & Kalinin, V.P. The investigation of polyfunctional zeolite catalysts. Russ Chem Bull 26, 754–758 (1977). https://doi.org/10.1007/BF01108194

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  • DOI: https://doi.org/10.1007/BF01108194

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