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Phase Equilibria in Hydrogen Binary Mixtures From 63 to 280 K and Pressures to 6000 Bars

Published online by Cambridge University Press:  21 February 2011

William B. Streett
Affiliation:
School of Chemical Engineering, Cornell UniversityIthaca, NY 14853
Andreas Heintz*
Affiliation:
School of Chemical Engineering, Cornell UniversityIthaca, NY 14853
Paulette Clancy
Affiliation:
School of Chemical Engineering, Cornell UniversityIthaca, NY 14853
Dhanraj Chokappa
Affiliation:
School of Chemical Engineering, Cornell UniversityIthaca, NY 14853
*
* Physikalisen-Chemisches Institut, Der Universitat Heidelberg, D-6900 Heidelberg 1, West Germany
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Abstract

Experimental measurements have been carried out to determine the compositions of coexisting gas and liquid phases for binary mixtures of hydrogen with the following substances as the second component: nitrogen, carbon monoxide, argon, methane, ethylene, ethane and carbon dioxide. For most of these mixtures the entire region of gas-liquid equilibrium has been explored for the first time. This region is bounded in pressure-temperature space by the vapor-pressure curve of the heavy component, the gas-liquid critical line (where gas and liquid phases become identical) and the 3-phase region solid-liquid-gas. In all of the systems described here the latter two lines intersect to form a critical end point. The general qualitative features of these phase diagrams are described, and compared to those of helium mixtures studied earlier.

Type
Research Article
Copyright
Copyright © Materials Research Society 1984

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References

REFERENCES

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