The deacidification of degummed rice bran oil was simulated
using the Naphtali and Sandholm algorithm, as presented by Fredenslund
et al. [32] and adapted for simulating liquid–liquid
extraction by Batista [33]. The solvent extraction was simulated
in two configurations: crosscurrent (Fig. 3) and countercurrent
(Fig. 4). The phase equilibrium was predicted using the UNIQUAC
parameters adjusted by Rodrigues et al. [34,35] for systems composed
of rice bran oil, free fatty acids, c-oryzanol, tocols, ethanol
and water.