期刊
FLUID PHASE EQUILIBRIA
卷 556, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.fluid.2022.113396
关键词
Solubility; Supercritical carbon dioxide; Pholcodine; Antitussive drug; Solid-liquid equilibrium; Equation of state
资金
- University of Kashan [Pajoohaneh-1400/16]
The solubility of Pholcodine (PHO, Antitussive Drug) in supercritical carbon dioxide (Sc-CO2) was measured, and various models were employed to describe the solubility. The results showed that all the applied models accurately described the solubility of PHO in Sc-CO2, with the Alwi et al. model performing the best.
Pholcodine (PHO, Antitussive Drug) solubility in supercritical carbon dioxide (Sc-CO2 ) was measured at temperatures of 308, 318, 328, and 338 K and pressures of 120-270 bar. According to the measure-ments, mole fractions and solubilities of PHO dissolved in Sc-CO2 ranged in 2.06-5.93 x 10(-4) and 0.721- 4.212 g/L, respectively. Three types of models were employed for correlating experimental results: 1) three existing empirical and semi-empirical models with three and six parameters, 2) the cubic equa-tion of Peng-Robinson with the conventional temperature-dependent and independent mixing rule; and 3) regular solution with Hansen solubility parameter, Reddy-Madras and Alwi et al. models as solid-liquid equilibrium models. Based on the results, all applied models accurately described PHO solubility in Sc-CO2, although Alwi et al . model led to superior results based on AARD (0.29%) and AI Cc criterion (-647.697). (C) 2022 Elsevier B.V. All rights reserved.
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