A Novel Apparatus for Accurate Measurements of Solid Solubilities in Supercritical Phases

A new apparatus for the measurement of solid solubilities in supercritical fluids is described in detail. It is based on an analytical open-flow method:  the composition of the phase is obtained by analyses, and the solvent flows continuously through the solid solute. Solubilities of naphthalene in...

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Bibliographic Details
Published in:Industrial & engineering chemistry research 2000-12, Vol.39 (12), p.4609-4614
Main Authors: Sauceau, M, Fages, J, Letourneau, J.-J, Richon, D
Format: Article
Language:English
Subjects:
Chemical and Process Engineering
Chemical engineering
Chemical Sciences
Chemistry
Engineering Sciences
Exact sciences and technology
General and physical chemistry
Solubility
Solutions
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Summary:A new apparatus for the measurement of solid solubilities in supercritical fluids is described in detail. It is based on an analytical open-flow method:  the composition of the phase is obtained by analyses, and the solvent flows continuously through the solid solute. Solubilities of naphthalene in supercritical CO2 in the pressure range of 8−30 MPa are reported for the isotherms 308.15 and 318.15 K. The solubility data are then correlated using three density-based models.
ISSN:0888-5885
1520-5045
DOI:10.1021/ie000181d