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Isomerization ofn-pentane andn-hexane on modified zeolites

  • Physical Chemistry
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Abstract

The activity and selectivity of catalysts based on TsVM (an analog of ZSM-5), Beta, and La-H-Beta zoelites modified by Pt, Pt−Fe, and Pt−Ga were studied in the isomerization of C5 and C6 linear alkanes. The Pt/HTsVM, Pt/H-Beta, and Pt/La-H-Beta catalysts are efficient inn-pentane isomerization, whereas the Pt/H-Beta and Pt/La-H-Beta are most active inn-hexane isomerization. Nearly equilibirum isoparaffin yield at a selectivity of at least 95–96% is reached on these catalysts unlike other zeolite systems. The overall yield of 2,2-and 2,3-dimethylbutanes is 22 wt.%. The hexane isomers are not formed over the Pt/HTsVM catalyst due to the molecular-sieve properties of this type of zcolites.

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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

    T. V. Vasina, O. V. Masloboishchikova, E. G. Khelkovskaya-Sergeeva & L. M. Kustov

  2. Haldor Topsoe A/S, DK-2800, Lyngby, Denmark

    J. Houzvicka & P. Zeuthen

Authors
  1. T. V. Vasina
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  2. O. V. Masloboishchikova
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  3. E. G. Khelkovskaya-Sergeeva
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  4. L. M. Kustov
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  5. J. Houzvicka
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  6. P. Zeuthen
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Additional information

Published inIzvestiya Akademii Nauk. Seriya Khimicheskaya No. 11, pp. 1866–1869, November, 2000.

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Vasina, T.V., Masloboishchikova, O.V., Khelkovskaya-Sergeeva, E.G. et al. Isomerization ofn-pentane andn-hexane on modified zeolites. Russ Chem Bull 49, 1838–1841 (2000). https://doi.org/10.1007/BF02494920

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  • DOI: https://doi.org/10.1007/BF02494920

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