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Transformation of cyclic hydrocarbons on H, Ca, and La forms of zeolites

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

Conclusions

  1. 1.

    The transformation of cyclohexane, cyclohexene, and 1,4-cyclohexadiene was studied on H, Ca, and La forms of type Y zeolites, erionite, and mordenite as well as on amorphous aluminosilicate, γ-aluminum oxide, and silicon dioxide in a pulse microreactor. These hydrocarbons undergo cracking, isomerization, dispraportionation, and dehydrogenation at 200–500°C.

  2. 2.

    The catalysts studied fall into two groups relative to the methylcyclopentane/cyclohexane ratio in the cyclohexene transformation products: the catalysts without acid sites (Na forms of zeolites and SiO2) have ratios less than unity, while the catalysts with acid sites (multiply charged cationic and H forms of zeolites and amorphous aluminosilicate) have ratios above unity.

  3. 3.

    The dehydrogenating activity of the catalysts studied increases in going from non-acidic to acidic catalysts.

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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, Moscow

    V. V. Kharlamov, T. S. Starostina & Kh. M. Minachev

Authors
  1. V. V. Kharlamov
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  2. T. S. Starostina
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  3. Kh. M. Minachev
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 10, pp. 2291–2296, October, 1982.

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Kharlamov, V.V., Starostina, T.S. & Minachev, K.M. Transformation of cyclic hydrocarbons on H, Ca, and La forms of zeolites. Russ Chem Bull 31, 2017–2021 (1982). https://doi.org/10.1007/BF00950644

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  • DOI: https://doi.org/10.1007/BF00950644

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