Production of high quality biodiesel from sunflower soapstock acid oil as novel feedstock: Catalyzed by immobilized pancreatic lipase

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dc.authoridPaluzar, Hatice/0000-0001-9232-8748
dc.authorwosidPaluzar, Hatice/IZQ-0711-2023
dc.contributor.authorPaluzar, Hatice
dc.date.accessioned2024-06-12T10:54:37Z
dc.date.available2024-06-12T10:54:37Z
dc.date.issued2024
dc.departmentTrakya Üniversitesien_US
dc.description.abstractEdible refined oils, which are utilized as raw materials in biodiesel production, have been replaced by by-products (acid oil, fatty acid, deodorized distillate, and soapstock distillates) obtained from the vegetable oil refining industry, in recent years. This study aims to investigate the production of high quality biodiesel fuel in accordance with the standards (TS EN and ASTM) from sunflower soapstock acid oil. This feedstock was donated by an oil factory in the Thrace region, Turkey. Esterification reaction was performed by immobilized enzyme. For this, immobilization was carried out by covalent binding of pancreatic lipase in glutaraldehyde activated chitosan and optimum immobilization conditions were determined. The activity of the immobilized lipase and the retained activity were found to be 65.69 U/mu g and 61.8%, respectively (pH: 7.5, 37 degrees C). The Km (Michealis constant) and Vmax (maximum velocity of an enzymatically catalyzed reaction) values of the immobilized enzyme were found to be 5.1 mmol/L and 48.6 U/min/mg protein, respectively. The immobilized enzyme was employed as a biocatalyst for esterification of sunflower soapstock acid oil. Notably, an impressive yield of 75.6% was attained under the conditions of a 1:5 molar ratio of soapstock acid oil to methanol, with 10 wt% immobilized lipase as the catalyst, and a reaction temperature of 45 degrees C for 36 h. The resulting biodiesel exhibits fuel characteristics that meet the standards outlined in TS EN 14214:2012 + A2 and ASTM D6751-02. Experimental design for immobilization of lipase enzyme on chitosan, production of sunflower soapstock acid oil, production of biodiesel by immobilized lipase catalysis.imageen_US
dc.identifier.doi10.1002/aocs.12804
dc.identifier.endpage265en_US
dc.identifier.issn0003-021X
dc.identifier.issn1558-9331
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-85180206456en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage251en_US
dc.identifier.urihttps://doi.org/10.1002/aocs.12804
dc.identifier.urihttps://hdl.handle.net/20.500.14551/19105
dc.identifier.volume101en_US
dc.identifier.wosWOS:001128448600001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofJournal Of The American Oil Chemists Societyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectBiodieselen_US
dc.subjectEnzymatic Esterificationen_US
dc.subjectImmobilizationen_US
dc.subjectPancreatic Lipaseen_US
dc.subjectSoapstock Acid Oilen_US
dc.subjectCandida-Rugosa Lipaseen_US
dc.subjectWaste Cooking Oilen_US
dc.subjectEsterificationen_US
dc.subjectEconomicsen_US
dc.subjectBiofuelsen_US
dc.titleProduction of high quality biodiesel from sunflower soapstock acid oil as novel feedstock: Catalyzed by immobilized pancreatic lipaseen_US
dc.typeArticleen_US

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