Show simple item record

dc.creatorFerrero, Gabriel O.
dc.creatorSánchez Faba, Edgar M.
dc.creatorEimer, Griselda Alejandra
dc.date.accessioned2022-05-27T21:52:17Z
dc.date.available2022-05-27T21:52:17Z
dc.date.issued2017
dc.identifier.citation1° Energy, Efficiency and Environmental Sustainability Conference (2017).es_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12272/6503
dc.description.abstractThe aim of this work is to design a catalyst for biofuels production from renewable raw materials by means of the immobilization of an enzyme on nano-structured solid supports [1,2]. In fact, the main purpose is to immobilize the lipase of Pseudomonas fluorescens in the pure SBA-15 (Santa Barbara Amorphous) mesoporous material [3] and to compare their activity in the biodiesel production using vegetable oils, with that of the enzyme immobilized on materials SBA-15 modified with metals (Ca, Na, Fe, Cu, Al, K)[4]. The physicochemical properties of the synthesized mesoporous materials were determined by Small-angle X-ray scattering (SAXS), Transmission electron microscopy (TEM) and UV-visible. The enzyme was immobilized by physical adsorption, mixing each mesoporous material with an enzyme solution. The effective incorporation of the enzyme in the materials was confirmed determining the protein concentration in the soluble fraction after immobilization by the Bradford method. The optimal conditions of the biocatalyst activity were determined: oil / ethanol ratio, water percentage, amount of immobilized enzyme / mg of SBA-15 support, reaction time and activity of the biocatalyst respect to the metal impregnated in the solid used. Ca/SBA-15 material show the better activity as biocatalyst to biodiesel production using 400mg/g of lipase respect material, 1/4 oil/ethanol and 4 wt% of water respect oil. The transesterification reaction of triglycerides with ethanol for the production of biodiesel catalyzed by the LPF / SBA-15 / Ca biocatalyst has high batch yields, does not produce soap, uses low temperatures of 37 ° C and allows to separate the catalyst easily from the mixture.es_ES
dc.formatpdfes_ES
dc.language.isoenges_ES
dc.rightsopenAccesses_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.rights.uriAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.subjectBiodieseles_ES
dc.subjectEnzymatic immobilizationes_ES
dc.subjectMesoporous materiales_ES
dc.subjectSBA-15es_ES
dc.titleImmobilization of pseudomonas fluorecens lipase in mesoporous materials to biodiesel productiones_ES
dc.typeinfo:eu-repo/semantics/conferenceObjectes_ES
dc.rights.holderEimer, Griselda Alejandraes_ES
dc.description.affiliationFil: Ferrero, Gabriel O. Consejo Nacional de Investigaciones Científicas y Técnica. Universidad Nacional de Córdoba. Facultad de Ciencias Agropecuarias. Departamento Química General e Inorgánica; Argentina.es_ES
dc.description.affiliationFil: Sánchez Faba, Edgar M. Consejo Nacional de Investigaciones Científicas y Técnica. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Tecnología Química; Argentina.es_ES
dc.description.affiliationFil: Eimer, Griselda Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Tecnología Química; Argentina.es_ES
dc.type.versionpublisherVersiones_ES
dc.rights.useNo comercial. Sólo de uso académico.es_ES


Files in this item

Thumbnail
Thumbnail

This item appears in the following Collection(s)

Show simple item record

openAccess
Except where otherwise noted, this item's license is described as openAccess