Abstract
A recent group contribution correlation for solubilities of solid polycyclic aromatic hydrocarbons and heterocycles [Ind. Eng. Chem. Res. 2008, 47, 620] in pressurized hot water (PHW) has been extended by including new solubility data for solid aromatic carbonyl compounds and lower diamondoid hydrocarbons. The model provides a relatively reasonable reproduction of experimental solubilities in PHW over a 200 K temperature interval and a fair prediction of low-pressure aqueous solubilities of organic nonelectrolyte solids at 298 K or below. The individual group contributions provide insight into how the hydrophobicity/hydrophilicity of a group varies with temperature.
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