Production of bioethanol by immobilized Saccharomyces Cerevisiae onto modified sodium alginate gel

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dc.contributor.authorInal, Murat
dc.contributor.authorYigitoglu, Mustafa
dc.date.accessioned2020-06-25T17:51:33Z
dc.date.available2020-06-25T17:51:33Z
dc.date.issued2011
dc.departmentKırıkkale Üniversitesi
dc.description.abstractBACKGROUND: Microbial bioethanol production is an important option in view of the finite global oil reserves. Bioethanol fermentation was carried out using immobilized microorganisms (Saccharomyces cerevisiae, Zymomonas mobilis, Pichia stipitis, etc.), which has many advantages compared with the use of free cells. Various support materials have been used for bioethanol fermentation, and alginate gels have been one of the most widely used matrices for cell entrapment. The aim of this study was increased bioethanol production by Saccharomyces cerevisiae immobilized on alginate gels. First, N-vinyl-2-pyrrolidone was grafted onto sodium alginate. Then, the properties of ethanol production were investigated using the matrix obtained. RESULTS: The performance of ethanol fermentation was affected by calcium chloride concentration, N-vinyl-2-pyrrolidone grafted onto the sodium alginate, sugar concentration and the percentage of immobilized cell beads. These effects were optimized to give maximum ethanol production. Ethanol production was accelerated when sodium alginate polymer was modified with N-vinyl-2-pyrrolidone. The maximum concentration, productivity and yield of ethanol were 69.68 g L(-1), 8.71 g L(-1) h(-1) and 0.697 g g(-1), respectively. CONCLUSION: The new polymeric matrix, when compared with sodium alginate, showed better ethanol production due to the hydrophilic property of N-vinyl-2-pyrrolidone. The results suggest that the proposed method for immobilization of Saccharomyces cerevisiae has potential in industrial applications of the ethanol production process. (C) 2011 Society of Chemical Industryen_US
dc.description.sponsorshipKirikkale UniversityKirikkale University [2010/8]en_US
dc.description.sponsorshipThe authors gratefully acknowledge the financial support provided by the Kirikkale University Research Fund through Project 2010/8.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1002/jctb.2678
dc.identifier.endpage1554en_US
dc.identifier.issn0268-2575
dc.identifier.issue12en_US
dc.identifier.scopus2-s2.0-80855148203
dc.identifier.scopusqualityQ1
dc.identifier.startpage1548en_US
dc.identifier.urihttps://doi.org/10.1002/jctb.2678
dc.identifier.urihttps://hdl.handle.net/20.500.12587/4909
dc.identifier.volume86en_US
dc.identifier.wosWOS:000297745100014
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley-Blackwellen_US
dc.relation.ispartofJournal Of Chemical Technology And Biotechnology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectyeasten_US
dc.subjectimmobilizationen_US
dc.subjectbioethanol productionen_US
dc.subjectsodium alginateen_US
dc.subjectN-vinyl-2-pyrrolidoneen_US
dc.subjectgraft copolymerizationen_US
dc.titleProduction of bioethanol by immobilized Saccharomyces Cerevisiae onto modified sodium alginate gelen_US
dc.typeArticle

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