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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

The phase behaviour of binary mixtures containing hydrogen

AK Burgess and CL Young

Australian Journal of Chemistry 36(10) 2005 - 2017
Published: 1983

Abstract

The solubility and gas-liquid critical temperatures of mixtures of hydrogen with the permanent gases has been discussed in terms of the one-fluid model and 'hard sphere + attractive term' equations of state as proposed by Carnahan and Starling and Guggenheim. The solubilities of hydrogen and 'moderately-sized' hydrocarbons such as benzene and cyclohexane and higher hydrocarbons such as decalin and bicyclohexyl have also been discussed in terms of the one-fluid model. Finally, examples of the solubilities of other small molecules, methane, nitrogen and carbon dioxide, in both 'moderately sized' and higher hydrocarbons are considered in terms of the one-fluid model. It is concluded that :

(A) The best fit values of the interaction parameter, ζ, for all mixtures, except the permanent gas+ hydrogen systems, are considerably smaller than predicted by the Hudson and McCoubrey rule.

(B) The values of ζ for the hydrogen+ hydrocarbon mixtures are considerably smaller than those for similar hydrocarbons + other small molecules.

(c) Often the best fit value of ζ decreases with an increase in temperature.

https://doi.org/10.1071/CH9832005

© CSIRO 1983

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