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Some catalytic properties of molybdenum trioxide and dioxide

  • A. A. Balandin
  • I. D. Rozhdestvenskaya
Article

Summary

  1. 1.

    MoO3, obtained by decomposition of ammonium molybdate in a stream of nitrogen at 500°, is a catalyst for the dehydration of alcohols. The activation energy for isopropyl alcohol is 13.9 kcal/mole.

     
  2. 2.

    MoO2, obtained by reduction of MoO3 with molecular hydrogen at 500°, is a catalyst for the dehydrogenation of alcohols. The activation energy for isopropyl alcohol equals 12.5 kcal/mole.

     
  3. 3.

    MoO2 chemisorbs nitrogen at 500° and is thus completely deactivated as regards dehydrogenation of alcohol. Treatment of the inactive catalyst with hydrogen at 500° partially restores the activity of the catalyst as a result of desorption of the nitrogen as ammonia.

     
  4. 4.

    At temperatures of 400–500°, MoO3 and MoO2 produce dehydrogenation of cyclohexane to a slight extent.

     

Keywords

Hydrogen Nitrogen Alcohol Ammonia Dioxide 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Consultants Bureau Enterprises, Inc. 1960

Authors and Affiliations

  • A. A. Balandin
    • 1
  • I. D. Rozhdestvenskaya
    • 1
  1. 1.N. D. Zelinskii Institute of Organic ChemistryAcademy of Sciences USSRUSSR

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