Effect of Protic Ionic Liquids in Sugar Cane Bagasse Pretreatment for Lignin Valorization and Ethanol Production

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dc.contributor.authorPin, Thaynara C.
dc.contributor.authorRabelo, Sarita C. [UNESP]
dc.contributor.authorPu, Yunqiao
dc.contributor.authorRagauskas, Arthur J.
dc.contributor.authorCosta, Aline C.
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversity of Tennessee
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionOak Ridge National Laboratory (ORNL)
dc.contributor.institutionInstitute of Agriculture
dc.date.accessioned2022-04-28T19:47:17Z
dc.date.available2022-04-28T19:47:17Z
dc.date.issued2021-01-01
dc.description.abstractIonic liquids have been called designer solvents because it is possible to fine-tune their properties from a huge range of possible combinations of cations and anions. In this work, we evaluate the potential of protic ionic liquids (PILs) in the fractionation of sugar cane bagasse in a biorefinery context. The PILs were designed to selectively solubilize lignin and leave a polysaccharides solid fraction. The carbohydrate fraction was further hydrolyzed to obtain pentose and hexose sugars, which were fermented using a pentose-consuming yeast. The results have shown that, differently from pretreatments that solubilize hemicelluloses, pentoses could be fermented together with hexoses without a prior detoxification step with high yield and productivity. The lignin recovered was characterized by 2D HSQC NMR, 31P NMR, and GPC, showing that the design of the PIL influences lignin characteristics, but pretreatment temperature and time do not. The lignins obtained are sulfur-free, and the richness of their functional groups makes them attractive for conversion into a diversity of value-added products, which can make a biorefinery based on the proposed process viable.en
dc.description.affiliationChemical Engineering School State University of Campinas (UNICAMP), Av. Albert Einsten, Sao Paulo
dc.description.affiliationDepartment of Chemical and Biomolecular Engineering University of Tennessee, Middle Dr.
dc.description.affiliationDepartment of Bioprocess and Biotechnology School of Agriculture São Paulo State University (UNESP), Av. Universitaria, São Paulo
dc.description.affiliationBiosciences Division Joint Institute for Biological Sciences Oak Ridge National Laboratory (ORNL), Bethel Valley Rd.
dc.description.affiliationCenter for Renewable Carbon Department of Forestry Wildlife and Fisheries University of Tennessee Institute of Agriculture, Morgan Cir Dr.
dc.description.affiliationUnespDepartment of Bioprocess and Biotechnology School of Agriculture São Paulo State University (UNESP), Av. Universitaria, São Paulo
dc.identifierhttp://dx.doi.org/10.1021/acssuschemeng.1c05353
dc.identifier.citationACS Sustainable Chemistry and Engineering.
dc.identifier.doi10.1021/acssuschemeng.1c05353
dc.identifier.issn2168-0485
dc.identifier.scopus2-s2.0-85119412568
dc.identifier.urihttp://hdl.handle.net/11449/222890
dc.language.isoeng
dc.relation.ispartofACS Sustainable Chemistry and Engineering
dc.sourceScopus
dc.subjectbiomass
dc.subjectenzymatic hydrolysis
dc.subjectethanol production
dc.subjectlignin
dc.subjectprotic ionic liquid
dc.titleEffect of Protic Ionic Liquids in Sugar Cane Bagasse Pretreatment for Lignin Valorization and Ethanol Productionen
dc.typeArtigo
unesp.author.orcid0000-0002-9597-1234 0000-0002-9597-1234[1]
unesp.author.orcid0000-0002-3153-7674[2]
unesp.author.orcid0000-0002-3536-554X 0000-0002-3536-554X 0000-0002-3536-554X[4]
unesp.author.orcid0000-0002-4586-6882[5]

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