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The equilibrium solubilities of three solid polycyclic aromatic hydrocarbons (acenaphthene, fluoranthene, and triphenylene) were determined at temperatures ranging from 308 K to 348 K and pressures from 121.6 to 354.6 bar in supercritical CO 2 . The data were obtained by using a simple static sampling apparatus which was tested by measuring the solubility of naphthalene in compressed CO 2 . The measured solubilities were correlated using a semiempirical model. The calculated results show satisfactory agreement with the experimental data.

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