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Bulk and Interfacial Properties for CO 2 ‐SO 2 Binary Mixtures
Author(s) -
Fu Dong,
Feng Jiazi,
Lu Jianyi
Publication year - 2010
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.201090314
Subject(s) - chemistry , thermodynamics , binary number , equation of state , phase diagram , surface tension , carbon dioxide , binary system , atmospheric temperature range , range (aeronautics) , phase (matter) , organic chemistry , physics , materials science , arithmetic , mathematics , composite material
The perturbed‐chain statistical associating fluid theory (PC‐SAFT) and density‐gradient theory (DGT) were used to construct an equation of state (EOS) for the phase behaviors of carbon dioxide (CO 2 )‐sulfur dioxide (SO 2 ) binary mixtures. The p‐x diagrams at 263 and 333 K, and the p‐T diagrams corresponding to x CO 2=0.8871 and 0.6213 were satisfactorily calculated as compared to the experimental data. With the influence parameters of pure components and the equilibrium bulk properties of mixtures as input, the interfacial properties of CO 2 ‐SO 2 binary mixtures in a wide temperature range were predicted, and the influences of temperature, pressure and bulk properties on the surface tension were discussed.