Solubility extrema in solid-fluid equilibria
β Scribed by R. T. Kurnik; R. C. Reid
- Publisher
- American Institute of Chemical Engineers
- Year
- 1981
- Tongue
- English
- Weight
- 269 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0001-1541
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π SIMILAR VOLUMES
## Abstract Different in situ spectroscopic techniques, including infrared, ultraviolet, and fluorescence, were developed to measure the solubility of organic solids in supercritical carbon dioxide (scCO~2~). These techniques are applicable over a wide range of concentrations, as low as 10^β6^ or 1
This paper was also published in German in Chem. Ing. Tech. 72 (2000) No. 5, pp. 477Β±483.
A Response Surface Methodology approach to correlate the solubility data of solids in supercritical Β―uids directly to the pressure and temperature is described. Published data for 2,6dimethylnaphthalene, 2,3-dimethylnaphthalene, phenanthrene and benzoic acid in both supercritical carbon dioxide and
the comparison is still good, but for high reaction rates (a = 2 5 ) , large deviations begin to occur. These results are more or less as expected from the discussion above, but now give more quantitative criteria. It is seen that over a rather wide practical range of the parameters, the axial dispe