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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 ,
Andreas Heintz ,
Paulette Clancy  and
Dhanraj Chokappa
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
Information
MRS Online Proceedings Library (OPL) , Volume 22: Symposium NY – High Pressure in Science and Technology , 1983 , 105
Copyright
Copyright © Materials Research Society 1984

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References

REFERENCES

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