Free Fatty Acids Extraction from Palm Oil Using Supercritical Carbon Dioxide: A Phase Equilibrium Feasibility Approach

Saturated fatty acids from palm oil are represented in this work using co-solvent modified supercritical carbon dioxide (SC-CO 2). Saturated fatty acids are abundant in palm oil. The purpose of this study is to see if phase equilibrium mutual solubility techniques employing supercritical carbon dioxide are feasible. Understanding the phase equilibrium is one of the most important aspects of analysing the design of extraction processes guided by the equilibrium. The temperatures used for extraction were 313.15 and 353.15 K, with pressures ranging from 60 to 180 bars. A thermodynamic model based on the Universal Functional Activity Coefficient was used to estimate the activity coefficients expression for the system carbon dioxide / fatty acid (UNIFAC). Adsorption, diffusion, mass transfer coefficient, solubility, and desorption were all determined using mass transfer modelling.

Author(s) Details:

Mario Kabbour,
University Malaysia Perlis, 02600 Arau, Perlis, Malaysia.

Hiba Soufan,
Heriot-Watt University, 38103 Dubai, UAE.

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