The application of solvent-aided crystallization (SAC) is based on the addition ofa solvent, here 1-butanol, to crude biodiesel to catalyze the purification process byseparating biodiesel from contaminants via crystallization process. Response sur-face methodology was applied to optimize the process parameters of SAC, repre-sented by biodiesel purity.
Hernandez, E. [et al.]. Solvent-Aided crystallization for biodiesel purification. "Chemical engineering and technology", 30 Desembre 2019, vol. 43, núm. 4, p. 447-456.