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Solubility of vitamin A in supercritical CO2: experimental study and thermodynamic modeling.

ABSTRACT: One of the best methods of extracting Vitamin A, as a helper of the immune body system and vision, was measured in supercritical carbon dioxide (SC-CO2); Mole fractions were gained at practical conditions in which the temperature was in the range of 303-323 K and the pressure range was 90-235 bar, respectively. Moreover, four Equation of States [Soave-Redlich-Kwong, Peng-Robinson, Stryjek-Vera and Dashtizadeh-Pazuki-Taghikhani-Ghotbi (DPTG)] were compared with the experimental data. Also, the mixing rules of Van der Waals (vdW1 and vdW2) selected to correlate the solubility data of vitamin A. The outcomes indicate that each of EOSs coupled with vdW2, as a method of estimating the physicochemical and critical properties, were correlated with the solubility data of vitamin A in SC-CO2 with more accuracy, in comparison with vdW1. Among the cubic EOSs, the DPTG model with vdW2 generated the most suitable correlation with the percentage average absolute relative deviation (Average Absolute Relative Deviation%) of 6.

SUBMITTER: Naikoo GA 

PROVIDER: S-EPMC8342434 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature

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Solubility of vitamin A in supercritical CO<sub>2</sub>: experimental study and thermodynamic modeling.

Naikoo Gowhar Ahmad GA   Saeedi Zadegan Mohammad M   Zamani Pedram Mona M   Hassan Israr Ul IU   Ahmed Waqar W   Yousefi Attar Golshan G  

Scientific reports 20210805 1

One of the best methods of extracting Vitamin A, as a helper of the immune body system and vision, was measured in supercritical carbon dioxide (SC-CO<sub>2</sub>); Mole fractions were gained at practical conditions in which the temperature was in the range of 303-323 K and the pressure range was 90-235 bar, respectively. Moreover, four Equation of States [Soave-Redlich-Kwong, Peng-Robinson, Stryjek-Vera and Dashtizadeh-Pazuki-Taghikhani-Ghotbi (DPTG)] were compared with the experimental data. A  ...[more]

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