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New deep eutectic solvent assisted extraction of highly pure lignin from maritime pine sawdust (Pinus pinaster Ait.)

2021-04Journal article Restricted
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dc.contributor.authorFernandes, Catarina
dc.contributor.authorMelro, Elodie
dc.contributor.authorMagalhaes, Solange
dc.contributor.authorAlves, Luis
dc.contributor.authorCraveiro, Rita
dc.contributor.authorFilipe, Alexandra
dc.contributor.authorValente, Artur J. M.
dc.contributor.authorMartins, Gabriela
dc.contributor.authorAntunes, Filipe E.
dc.contributor.authorRomano, Anabela
dc.contributor.authorMedronho, Bruno
dc.date.accessioned2021-09-08T10:57:56Z
dc.date.available2021-09-08T10:57:56Z
dc.date.issued2021-04
dc.description.abstractLignocellulosic biomass is a renewable and sustainable feedstock, mainly composed of cellulose, hemicellulose, and lignin. Lignin, as the most abundant natural aromatic polymer occurring on Earth, has great potential to produce value-added products. However, the isolation of highly pure lignin from biomass requires the use of efficient methods during lignocellulose fractionation. Therefore, in this work, novel acidic deep eutectic solvents (DESs) were prepared, characterized and screened for lignin extraction from maritime pine wood (Pinus pinaster Ait.) sawdust. The use of cosolvents and the development of new DES were also evaluated regarding their extraction and selectivity performance. The results show that an 1 h extraction process at 175 ?C, using a novel DES composed of lactic acid, tartaric acid and choline chloride, named Lact:Tart:ChCl, in a molar ratio of 4:1:1, allows the recovery of 95 wt% of the total lignin present in pine biomass with a purity of 89 wt%. Such superior extraction of lignin with remarkable purity using a ?green? solvent system makes this process highly appealing for future large-scale applications. ? 2021 Elsevier B.V. All rights reserved.
dc.description.sponsorshipERC-2016-COG 725034
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.1016/j.ijbiomac.2021.02.088
dc.identifier.issn0141-8130
dc.identifier.urihttp://hdl.handle.net/10400.1/16983
dc.language.isoeng
dc.peerreviewedyes
dc.publisherELSEVIER
dc.relationMediterranean Institute for Agriculture, Environment and Development
dc.relationDevelopment of efficient selective separation methods for Agroflorestal biomass fractionation: From intermolecular interactions to new lignin-based Materials of Added Value.
dc.relationChemical Process Engineering and Forest Products Research Centre
dc.relationAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
dc.relationNot Available
dc.relationCoimbra Chemistry Center
dc.subjectBiomass fractionation
dc.subjectDeep eutectic solvent (DES)
dc.subjectDelignification
dc.subjectLignin
dc.subjectMaritime pine wood
dc.subject.otherBiochemistry & Molecular Biology; Chemistry; Polymer Science
dc.titleNew deep eutectic solvent assisted extraction of highly pure lignin from maritime pine sawdust (Pinus pinaster Ait.)
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMediterranean Institute for Agriculture, Environment and Development
oaire.awardTitleDevelopment of efficient selective separation methods for Agroflorestal biomass fractionation: From intermolecular interactions to new lignin-based Materials of Added Value.
oaire.awardTitleChemical Process Engineering and Forest Products Research Centre
oaire.awardTitleAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
oaire.awardTitleNot Available
oaire.awardTitleCoimbra Chemistry Center
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FAGR-TEC%2F4814%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FASP-SIL%2F30619%2F2017/PT
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oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00313%2F2020/PT
oaire.citation.endPage305
oaire.citation.startPage294
oaire.citation.titleInternational Journal of Biological Macromolecules
oaire.citation.volume177
oaire.fundingStream3599-PPCDT
oaire.fundingStream9471 - RIDTI
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
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oaire.fundingStreamCEEC IND 2018
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person.familyNameRomano
person.familyNameMedronho
person.givenNameAnabela
person.givenNameBruno
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person.identifier.orcid0000-0002-7204-7428
person.identifier.orcid0000-0003-0972-1739
person.identifier.ridP-5927-2014
person.identifier.scopus-author-id56249997600
person.identifier.scopus-author-id9940656700
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