Solubility of Anthraquinone Derivatives in Supercritical Carbon Dioxide: New Correlations
Open Access
- 17 January 2021
- Vol. 26 (2), 460
- https://doi.org/10.3390/molecules26020460
Abstract
Solubility of several anthraquinone derivatives in supercritical carbon dioxide was readily available in the literature, but correcting ability of the existing models was poor. Therefore, in this work, two new models have been developed for better correlation based on solid–liquid phase equilibria. The new model has five adjustable parameters correlating the solubility isotherms as a function of temperature. The accuracy of the proposed models was evaluated by correlating 25 binary systems. The proposed models observed provide the best overall correlations. The overall deviation between the experimental and the correlated results was less than 11.46% in averaged absolute relative deviation (AARD). Moreover, exiting solubility models were also evaluated for all the compounds for the comparison purpose.Funding Information
- Kementerian Riset Teknologi Dan Pendidikan Tinggi Republik Indonesia (B/87/E3/RA.00/2020)
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