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dc.creatorSánchez-Borrego, Francisco Josées
dc.creatorGarcía-Criado, Noeliaes
dc.creatorGarcía-Martín, Juan Franciscoes
dc.creatorÁlvarez-Mateos, María Palomaes
dc.date.accessioned2022-02-14T10:23:11Z
dc.date.available2022-02-14T10:23:11Z
dc.date.issued2022-01
dc.identifier.citationSánchez-Borrego, F.J., García-Criado, N., García-Martín, J.F. y Álvarez-Mateos, M.P. (2022). Determination of the Composition of Bio-Oils from the Pyrolysis of Orange Waste and Orange Pruning and Use of Biochars for the Removal of Sulphur from Waste Cooking Oils. Agronomy, 12 (2), 309-.
dc.identifier.issn2073-4395es
dc.identifier.urihttps://hdl.handle.net/11441/129927
dc.description.abstractWaste generated in the agri-food sector is a potential source of biomass and other products of high added value. In this work, the pyrolysis of orange waste and orange pruning was carried out to produce adsorbent biochars and characterise the bio-oils aiming for high-added-value compounds. Pyrolysis was carried out in a vertical tubular furnace on the laboratory scale modifying the temperature (400–600 °C), the heating ramp (5–20 °C·min−1) to reach the previous temperature and the inert gas flow rate (30–300 mL Ar·min−1) throughout the furnace. The most suitable conditions for obtaining biochar were found to be 400 °C, 5 °C·min−1, and 150 mL Ar·min−1 for orange waste, and 400 °C, 10 °C·min−1, and 150 mL Ar·min−1 for orange pruning. Thermogravimetric analysis showed higher thermal stability for orange pruning due to its higher lignin content (20% vs. 5% wt. on a wet basis). The bio-oil composition was determined by GC-MS. Toluene and 5-hydroxymethylfurfural were the main compounds found in orange waste bio-oils, while orange pruning bio-oils were composed mainly of 4-hydroxy-4-methyl-2-pentanone. Finally, the removal of the sulphur content from waste cooking oil was assayed with the biochars from both orange waste and orange pruning, whose BET surface areas were previously determined. Despite their low specific surface areas (≤1 m2·g−1 for orange waste biochars and up to 24.3 m2·g−1 for orange pruning biochars), these biochars achieved a reduction of the initial sulphur content of the waste cooking oil between 66.4% and 78.8%.es
dc.description.sponsorshipEuropean Union under the LIFE 13 BIOSEVILLE Programme ENV/ES/1113 (analysis, materials and salaries)es
dc.description.sponsorshipEuropean Regional Development Fund (ERDF) through the CARBOENERGY project (materials and salaries) granted by the FEDER INNTERCONECTAes
dc.formatapplication/pdfes
dc.format.extent19 p.es
dc.language.isoenges
dc.publisherMDPIes
dc.relation.ispartofAgronomy, 12 (2), 309-.
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectBiochares
dc.subjectBio-oiles
dc.subjectOil desulphurisationes
dc.subjectOrange pruninges
dc.subjectOrange wastees
dc.subjectPyrolysises
dc.titleDetermination of the Composition of Bio-Oils from the Pyrolysis of Orange Waste and Orange Pruning and Use of Biochars for the Removal of Sulphur from Waste Cooking Oilses
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.type.versioninfo:eu-repo/semantics/publishedVersiones
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Ingeniería Químicaes
dc.relation.publisherversionhttps://www.mdpi.com/2073-4395/12/2/309es
dc.identifier.doi10.3390/agronomy12020309es
dc.contributor.groupUniversidad de Sevilla. AGR155: Obtención de Biocombustibleses
dc.journaltitleAgronomyes
dc.publication.volumen12es
dc.publication.issue2es
dc.publication.initialPage309es

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