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  • Title: Esterification of acidic oils over a versatile amorphous solid catalyst.
    Author: Zaccheria F, Brini S, Psaro R, Scotti N, Ravasio N.
    Journal: ChemSusChem; 2009; 2(6):535-7. PubMed ID: 19479893.
    Abstract:
    An amorphous SiO(2)-ZrO(2) catalyst shows high activity in the esterification of free fatty acids contained in vegetable oils while at the same time promoting the transesterification of triglycerides. The catalyst is hence a good candidate for a low-waste deacidification pretreatment or for a one-pot biodiesel production process starting from oils with a high acid content.
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