Two-step biodiesel production from Jatropha curcas crude oil using SiO2·HF solid catalyst for FFA esterification step

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dc.audiencegeneralPublices_MX
dc.contributor.authorTéllez Méndez, Nallely
dc.contributor.authorCorro, Grisel
dc.contributor.authorAyala, Edgar
dc.contributor.authorMarinez Ayala, Alma
dc.creatorTéllez Méndez, Nallely; 0000-0002-3605-5412
dc.date.accessioned2023-03-30T17:31:17Z
dc.date.available2023-03-30T17:31:17Z
dc.date.issued2010-10
dc.description.abstract"A high quality biodiesel was produced from Mexican Jatropha curcas crude oil (JCCO) by a two step catalyzed process. The free fatty acids (FFA) were first esterified with methanol, catalyzed by a solid catalyst: SiO2 pretreated with HF. The catalyst showed a high number of Lewis acid surface sites, and no CO2 or H2O adsorption activity. This catalyst showed a high FFA esterification activity and high stability. After 30 esterification runs, the catalyst activity remained unchanged. During the second step, the triglycerides present in the JCCO were transesterified with methanol catalyzed by NaOH. The chromatographic analysis of the biodiesel obtained, revealed that the process proposed in this investigation led to a very high quality biodiesel, meeting the international requirements for its utilization as a fuel. The combustion gas emissions of the JCCO biodiesel were studied by FTIR spectroscopy using a laboratory combustor. These preliminary results showed low amounts of aromatic and sulfur containing compounds. However, halogenated compounds and dicyclopentadiene were also detected at the combustor".es_MX
dc.identifierhttps://doi.org/10.1016/j.fuel.2010.04.023
dc.identifier.urihttps://hdl.handle.net/20.500.12371/18115
dc.language.isoenges_MX
dc.rights.accesopenAccesses_MX
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0es_MX
dc.subject.otherBiodieseles_MX
dc.subject.otherBiodiesel emissionses_MX
dc.subject.otherJatropha curcas oiles_MX
dc.subject.otherHeterogeneous acid catalystes_MX
dc.titleTwo-step biodiesel production from Jatropha curcas crude oil using SiO2·HF solid catalyst for FFA esterification stepes_MX
dc.typeArtículoes_MX
dc.type.conacytarticlees_MX
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