Measurement and Prediction of the Solubility of CO in Ester Mixture31
2
2) The results show that CO2 solubility in physical
solvents increases with the decreasing of Hildebrand
parameter. The greater of the Hildebrand parameter
value, the stronger of the solvent – solvent interac-
tions, and the less cavities which can accommodate
the solute molecules.
3) It is also found by contrast that linear compound
has a greater ability to dissolve CO2 than the cyclic
compound at the same temperature. Furthermore,
the correction factor A brings about great influence
on the solubility prediction of carbon dioxide in
liquid solvent. This indicates that the correction
factor A can be regarded as an main impact factor
in the selection of a potential physical solvent for
CO2 capture.
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