A mathematical modelling to extract active ingredients from Oliveria decumbens by supercritical fluid extraction through using ultrasonic process

Nabil Vaeli, Bizhan Honarvar, Nadia Esfandiari and Zahra Arab Aboosadi

Mathematical and Computer Modelling of Dynamical Systems, 2019, vol. 25, issue 3, 261-283

Abstract: The experimental feasibility of extracting carvacrol or cymophenol from local and medicinal Oliveria decumbens by supercritical carbon dioxide through using ultrasound waves was investigated in this study. The extraction modelling was carried out in two forms: Internal and external. The internal model was adopted to simulate the concentration distribution of the phytochemicals in the plant particles. In this model, the extracted cell was assumed to be a filled substrate and two mechanisms of molecular permeability and mass transfer had the greatest effect. The comparison of the experimental data obtained from modelling revealed that both the internal and external models are compatible with the experimental data as much as 80%, indicating an acceptable accuracy. Furthermore, the empirical data is completely in line with the model at the final time (40 min), which is the time to reach the equilibrium.

Date: 2019
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DOI: 10.1080/13873954.2019.1620292

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