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Experimental Study of Reaction Kinetics for Para-Orthohydrogen at 20° to 80°K

  • H. L. Hutchinson
  • P. L. Barrick
  • L. F. Brown
Conference paper
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 10)

Abstract

This paper presents studies of the conversion of parahydrogen to orthohydrogen over a temperature range of 20° to 80°K and a pressure range of 20 to 1000 psig. The reaction was a catalyzed reaction using a standard ferric oxide gel catalyst of size 30–50 mesh. The purpose of the investigation was a detailed study of the mechanism of the reaction, with the immediate goal of providing accurate design information and an ultimate goal of developing more active catalysts. The data from such a study are more easily interpreted for isothermal reactor conditions. Steady-state temperature and pressure conditions are also required. The design and construction of an apparatus which was devised to meet the specifications listed above is outlined and the data obtained from the system are presented.

Keywords

Space Velocity Feed Stream Reactor Unit NASA Lewis Research Resistance Bridge 
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References

  1. 1.
    J. R. Purcell, J. W. Draper, and D. H. Weitzel, in Advances in Cryogenic Engineering, Vol. 3, Plenum Press, New York (1960), p. 191.Google Scholar
  2. 2.
    H. L. Hutchinson, M.S. Thesis, University of Colorado (1964), Appendix J.Google Scholar
  3. 3.
    A. Farkas, Orthohydrogen, Parahydrogen, and Heavy Hydrogen, Cambridge Press (1935), p. 14.Google Scholar
  4. 4.
    P. L. Barrick, L. F. Brown, H. L. Hutchinson, and R. L. Cruse, in Advances in Cryogenic Engineering, Vol. 10, Plenum Press, New York (1965), p. 181.Google Scholar

Copyright information

© Plenum Press, New York 1965

Authors and Affiliations

  • H. L. Hutchinson
    • 1
  • P. L. Barrick
    • 1
  • L. F. Brown
    • 1
  1. 1.University of ColoradoBoulderUSA

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