Experimental factorial design on hydroesterification of waste cooking oil by subcritical conditions for biodiesel production

dc.contributor.authordos Santos, Letícia Karen [UNESP]
dc.contributor.authorHatanaka, Rafael Rodrigues [UNESP]
dc.contributor.authorde Oliveira, José Eduardo [UNESP]
dc.contributor.authorFlumignan, Danilo Luiz [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionScience and Technology – IFSP – Campus Matão
dc.date.accessioned2018-12-11T17:13:32Z
dc.date.available2018-12-11T17:13:32Z
dc.date.issued2017-01-01
dc.description.abstractHydroesterification is innovation biodiesel production using low cost feedstock by two-step: hydrolysis of waste cooking oil to FFAs in subcritical water and chemical esterification of FFAs into FAME (biodiesel) with methanol. The purpose was to apply the experimental factorial design to evaluate the influence of reaction variables on the effectiveness of hydrolysis and determine the relationship of FFAs and FAMEs yields. Experiments were conducted in a batch reactor under diverse reaction conditions to determine the optimal parameters for hydrolysis. This analyses indicated that high FFAs yields (95 wt%) are achieved using 250 °C; 120 min; 100:1 water-to-oil molar ratio and 700 rpm. Research results revealed a conversion the FFAs in 98.5 wt% of FAMEs with high quality by esterification in biodiesel production. This study shows that the biodiesel produced by subcritical/chemical hydroesterification process has similar qualities to the biodiesel obtained by traditional alkaline transesterification, which suggests a promising alternative for biodiesel production.en
dc.description.affiliationUNESP – São Paulo State University Institute of Chemistry Organic Chemistry Department - Center for Monitoring and Research of the Quality of Fuels Biofuels Crude Oil and Derivatives – CEMPEQC, Rua Prof. Francisco Degni, 55, Quitandinha
dc.description.affiliationSão Paulo Federal Institute of Education Science and Technology – IFSP – Campus Matão, Rua Estéfano D'avassi, 625, Nova Cidade, 15
dc.description.affiliationUnespUNESP – São Paulo State University Institute of Chemistry Organic Chemistry Department - Center for Monitoring and Research of the Quality of Fuels Biofuels Crude Oil and Derivatives – CEMPEQC, Rua Prof. Francisco Degni, 55, Quitandinha
dc.format.extent574-580
dc.identifierhttp://dx.doi.org/10.1016/j.renene.2017.07.066
dc.identifier.citationRenewable Energy, v. 114, p. 574-580.
dc.identifier.doi10.1016/j.renene.2017.07.066
dc.identifier.file2-s2.0-85025153460.pdf
dc.identifier.issn1879-0682
dc.identifier.issn0960-1481
dc.identifier.scopus2-s2.0-85025153460
dc.identifier.urihttp://hdl.handle.net/11449/174938
dc.language.isoeng
dc.relation.ispartofRenewable Energy
dc.relation.ispartofsjr1,847
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectBiodiesel
dc.subjectFree fatty acids
dc.subjectHydroesterification
dc.subjectOptimization
dc.subjectResponse surface analyses
dc.subjectWaste cooking oil
dc.titleExperimental factorial design on hydroesterification of waste cooking oil by subcritical conditions for biodiesel productionen
dc.typeArtigo

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