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Solubility of liquid CO2in water at temperatures from 278 K to 293 K and pressures from 6.44 MPa to 29.49 MPa and densities of the corresponding aqueous solutions

✍ Scribed by H. Teng; A. Yamasaki; M.-K. Chun; H. Lee

Publisher: Elsevier Science
Year: 1997
Tongue: English
Weight: 159 KB
Volume: 29
Category: Article
ISSN: 0021-9614
DOI: 10.1006/jcht.1997.0249

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✦ Synopsis

An experimental investigation is reported on the solubility of CO l in water at temperatures 2 from 278 K to 293 K and pressures from 6.44 MPa to 29.49 MPa and on the corresponding densities of the CO aqueous solutions. Based on the experimental data, an expression for 2 the Henry's law constant as a function of temperature and pressure was obtained. Good agreement was observed between the experimental data and the prediction made using the modified Henry's law and the resultant Henry's law constant, with a maximum difference of -6.02 per cent. Based on thermodynamic theory, a relationship for the dependence of the density of the CO aqueous solution on the density of pure water and the CO solubility was 2 2

derived which represents the experimental data with a maximum difference within the range of the uncertainty of the experimental data.

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