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Solubility measurements of naphthol isomers in supercritical CO2 by a recycle technique |
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| Affiliation: | 1. Department of Chemistry and Biomolecular Science, Centre for Catalysis Research and Innovation, University of Ottawa, 10, Marie-Curie, Ottawa, ON K1N 6N5, Canada;2. Geobiotec Research Centre, Geosciences Department, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal |
| Abstract: | A recycle technique has been developed for measurement of equilibrium solubility of a solid in a supercritical fluid. The solubilities of naphthalene in supercritical carbon dioxide obtained by this technique agreed well with published data. Solubilities in supercritical carbon dioxide in a temperature range of 308–328 K and a pressure range of 90–170 atm were also measured for naphthol isomers. Solubilities of mixtures of naphthol isomers at different compositions at 308 K and 130 atm are also reported in this study. |
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