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Densities of (water + methane) in the temperature range 430 K to 699 K and at pressures up to 30 MPa

✍ Scribed by A. Fenghour; W.A. Wakeham; J.T.R. Watson

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 418 KB
Volume: 28
Category: Article
ISSN: 0021-9614
DOI: 10.1006/jcht.1996.0044

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✦ Synopsis

New measurements of the amount-of-substance densities r of nine mixtures of (water+methane) are reported in the temperature range 430 K to 699 K at pressures from 7.5 MPa to 30 MPa. The results have been obtained by using a fully automated isochoric instrument. The uncertainty in the experimental results is estimated to be about 20.0008•r at the lowest water content and 20.0014•r at the highest water content. Comparisons with independent sources of experimental information through a model based on the two-fluid corresponding states principle are presented. The dew points of the mixtures studied have also been determined and compared with predicted values from the Peng-Robinson equation of state.

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