Conversion of sunflower stalk based cellulose to the valuable products using choline chloride based deep eutectic solvents

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dc.contributor.authorSert, Murat
dc.contributor.authorArslanoglu, Alparslan
dc.contributor.authorBallice, Levent
dc.date.accessioned2019-10-27T10:06:45Z
dc.date.available2019-10-27T10:06:45Z
dc.date.issued2018
dc.departmentEge Üniversitesien_US
dc.description.abstractThe direct conversion of cellulose into valuable products such as 5- hydroxymethyl furfural (5-HMF), levulinic acid, furfural and formic acid was studied using deep eutectic solvents in conventional and microwave reactors. Starting from sunflower stalk based cellulose, the mechanism of degradation was highlighted and applicability of deep eutectic solvents as solvent and catalyst was searched. Three different deep eutectic solvents (DES) were synthesized using choline chloride as hydrogen bond acceptor and oxalic acid/citric acid/tartaric acid as hydrogen bond donor. The most effective DES was found as DES formed by choline chloride and oxalic acid. Using DES() as catalyst and solvent, 99.07% of carbon efficiency was achieved at 180 degrees C in microwave reactor within only 1 min. At these conditions, 76.2% of levulinic acid, 4.07% of 5-HMF, 5.57% of furfural and 15.24% of formic acid were obtained. We described simple, cheap, catalytically effective and environmentally friendly process for the conversion of cellulose into valuable products. DESs showed superior properties for the solvation of cellulose and catalyzed the reactions of cellulose. (C) 2017 Elsevier Ltd. All rights reserved.en_US
dc.description.sponsorshipTUBITAKTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [214M001]; Ege University EBILTEMEge University [2015/BIL/020]en_US
dc.description.sponsorshipThis study was supported by TUBITAK (214M001) and Ege University EBILTEM 2015/BIL/020 scientific projects. I would like to thank to Prof. Dr. Mithat Yuksel, Prof. Dr. Mehmet Saglam and Mr. Gursel Serin for valuable support and helpful discussions.en_US
dc.identifier.doi10.1016/j.renene.2017.10.083
dc.identifier.endpage1000en_US
dc.identifier.issn0960-1481
dc.identifier.issn0960-1481en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage993en_US
dc.identifier.urihttps://doi.org/10.1016/j.renene.2017.10.083
dc.identifier.urihttps://hdl.handle.net/11454/30485
dc.identifier.volume118en_US
dc.identifier.wosWOS:000423008500088en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofRenewable Energyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectDeep eutectic solventsen_US
dc.subject5-HMFen_US
dc.subjectCelluloseen_US
dc.subjectBiomassen_US
dc.subjectMicrowave reactoren_US
dc.titleConversion of sunflower stalk based cellulose to the valuable products using choline chloride based deep eutectic solventsen_US
dc.typeArticleen_US

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