Catalytic transformations of paraffins of high molecular weight

Communication 1. Isomerization of n-octadecane in presence of an industrial WS2-NiS-Al2O3 catalyst
  • Kh. Ya. Orlov
  • A. A. Martynov
  • V. P. Bulychev
Organic and Biological Chemistry


  1. 1.

    A study was made of the isomerization of n-octadecane in presence of WS2-NiS-Al2O3 in the temperature range 400–435° at pressures of 10–40 atm.

  2. 2.

    Raising the molar ratio H2/n-C18H38 up to a certain value [12–15, 19] at constant pressure leads to an increase in the yield of branched C18 alkanes with only a slight lowering of the selectivity of the isomerization, but an increase in pressure at a constant ratio of H2/n-C18H38 brings about a simultaneous reduction in the yield of isomers and the selectivity of the reaction.

  3. 3.

    The effect of the experimental conditions is examined from the point of view of the mechanism of isomerization over bifunctional catalysts.



Molecular Weight Alkane Paraffin High Molecular Weight Constant Pressure 
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Copyright information

© Consultants Bureau 1964

Authors and Affiliations

  • Kh. Ya. Orlov
    • 1
  • A. A. Martynov
    • 1
  • V. P. Bulychev
    • 1
  1. 1.Institute of Organic ChemistryAcademy of Sciences of the USSRKazan'

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