Immobilization of Saccharomyces cerevisiae on to modified carboxymethylcellulose for production of ethanol

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dc.contributor.authorGokgoz, Murat
dc.contributor.authorYigitoglu, Mustafa
dc.date.accessioned2020-06-25T17:51:42Z
dc.date.available2020-06-25T17:51:42Z
dc.date.issued2011
dc.departmentKırıkkale Üniversitesi
dc.description.abstractIn this work, modified carboxymethylcellulose (CMC) was used as a new support material for production of ethanol. Crosslinked graft copolymers of CMC with N-vinyl-2-pyrrolidone (N-VP) were prepared in different grafting yields. The beads material was characterized by means of fourier transform infrared spectroscopy (FT-IR), differential scanning calorimetry (DSC), scanning electron microscope (SEM) and swelling experiment. Saccharomyces cerevisiae was immobilized using entrapment method in the graft copolymers of carboxymethylcellulose-g-poly(N-vinyl-2-pyrrolidone) (CMC-g-PVP) for ethanol fermentation. The effects of grafting yield, initial glucose concentration and crosslinker concentration on the yield of ethanol process were investigated. Reusability of the immobilized yeasts was investigated and found that the materials can be used four times without losing their activity. Ethanol production increased to 59.3 g/L from 46.4 g/L when percentage of N-VP in the graft copolymer was increased. The highest ethanol productivity was found to be 1.75-2.25 g/L h. Fermentation time decreased with the decreasing of crosslinker concentration. The results suggest that the proposed method for immobilization of Saccharomyces cerevisiae has potential in industrial applications for ethanol process.en_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.doi10.1007/s00449-011-0535-x
dc.identifier.endpage857en_US
dc.identifier.issn1615-7591
dc.identifier.issn1615-7605
dc.identifier.issue7en_US
dc.identifier.pmid21461947
dc.identifier.scopus2-s2.0-81755184370
dc.identifier.scopusqualityQ1
dc.identifier.startpage849en_US
dc.identifier.urihttps://doi.org/10.1007/s00449-011-0535-x
dc.identifier.urihttps://hdl.handle.net/20.500.12587/4962
dc.identifier.volume34en_US
dc.identifier.wosWOS:000293896200009
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherSpringeren_US
dc.relation.ispartofBioprocess And Biosystems Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectEthanol productionen_US
dc.subjectFermentationen_US
dc.subjectImmobilizationen_US
dc.subjectSaccharomyces cerevisiaeen_US
dc.subjectCarboxymethylcelluloseen_US
dc.subjectN-vinyl-2-pyrrolidoneen_US
dc.titleImmobilization of Saccharomyces cerevisiae on to modified carboxymethylcellulose for production of ethanolen_US
dc.typeArticle

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