title: Production of biodiesel from winery waste: extraction, refining and transesterification of grape seed oil.
abstract: In regions with a large wine production the usage of their natural waste to make biodiesel can result an interesting alternative. In this work, different methods of extraction, refining and transesterification of grape seed oil were assayed. Two techniques of oil extraction were compared: solvent extraction and pressing. Two conventional transesterifications of the refined oil were carried out using methanol and bioethanol, being the methyl and ethyl ester contents higher than 97 wt.%. Finally, several in situ transesterifications were done. In situ transesterification did not reach either the oil yield extraction or the alkyl ester contents but the obtained biodiesel had better oxidation stability in comparison with the conventional process.
authors.affiliation: Departamento de Ingeniería Química, Instituto de Tecnologías Química y Medioambiental, Universidad de Castilla-La Mancha, Avd. Camilo José Cela s/n, 13071 Ciudad Real, Spain.
authors.forename: Carmen María
authors.initials: CM
authors.lastname: Fernández
authors.forename: María Jesús
authors.initials: MJ
authors.lastname: Ramos
authors.forename: Angel
authors.initials: A
authors.lastname: Pérez
authors.forename: Juan Francisco
authors.initials: JF
authors.lastname: Rodríguez
mesh_terms: D056804:Biofuels / Q000032:analysis*; D004951:Esterification; D056604:Grape Seed Extract / Q000737:chemistry* / Q000302:isolation & purification*; D010938:Plant Oils / Q000737:chemistry* / Q000302:isolation & purification*; D052616:Solid Phase Extraction / Q000379:methods
chemical_list: D056804:Biofuels; D056604:Grape Seed Extract; D010938:Plant Oils