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Acid pretreatment of sugarcane biomass to obtain hemicellulosic hydrolisate rich in fermentable sugar

2020Journal article Open access
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dc.contributor.authorMorais Júnior, Wilson Galvão
dc.contributor.authorPacheco, Thályta F.
dc.contributor.authorCorrêa, Priscila S.
dc.contributor.authorMartins, António A.
dc.contributor.authorMata, Teresa M.
dc.contributor.authorCaetano, Nídia
dc.date.accessioned2021-09-09T08:45:05Z
dc.date.available2021-09-09T08:45:05Z
dc.date.issued2020
dc.description.abstractThe objective of this work was to find the ideal pretreatment conditions with high efficiency to obtain a hydrolyzate rich in fermentable sugars and low possible inhibitors levels. Thus, it was applied diluted phosphoric acid to pretreat the sugarcane biomass. Through a Central Composite Design, it was evaluated the influence of temperature, operating time and acid concentration. The pretreatment efficiency was verified by the concentration of total monosaccharides in the liquid fraction after the reaction. The phosphoric acid concentration of 4.95% at 80 °C, during 375 min, resulted in a hemicellulosic hydrolyzate with the highest concentration of fermentable sugars (saccharification greater than 99%), with the absence of HMF and furfural, and relatively low amounts of acetic acid.pt_PT
dc.description.sponsorshipThe authors thank sugarcane refinery Jalles Machado S.A for the sugarcane biomass donation, and to Thályta Fraga Pacheco for the statistical analysis consulting. This research is part of the project titled ProEMiBiL supported and financially by the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie funding [grant number 867473]; This work was supported by: UID/EQU/00305/2020 – Center for Innovation in Engineering and Industrial Technology — CIETI, Portugal; Base funding – UIDB/00511/2020 of the Laboratory for Process Engineering, Environment, Biotechnology and Energy — LEPABE, Portugal – funded by national funds, Portugal through the FCT/MCTES (PIDDAC).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.egyr.2020.10.015pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/18335
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationUID/EQU/00305/2020pt_PT
dc.relationEthanol production from microalgae and lignocellulosic biomass.
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S2352484720313688#!pt_PT
dc.subjectAcid pretreatmentpt_PT
dc.subjectFermentable sugarspt_PT
dc.subjectLignocellulosic hydrolyzatept_PT
dc.subjectSugarcane biomasspt_PT
dc.titleAcid pretreatment of sugarcane biomass to obtain hemicellulosic hydrolisate rich in fermentable sugarpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleEthanol production from microalgae and lignocellulosic biomass.
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/867473/EU
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/157419/PT
oaire.citation.endPage23pt_PT
oaire.citation.startPage18pt_PT
oaire.citation.titleEnergy Reportspt_PT
oaire.citation.volume6pt_PT
oaire.fundingStreamH2020
oaire.fundingStream6817 - DCRRNI ID
person.familyNameMorais Júnior
person.familyNameCorrêa
person.familyNameCaetano
person.givenNameWilson Galvão
person.givenNamePriscila
person.givenNameNídia
person.identifierR-000-DJC
person.identifier.ciencia-idA31B-7605-1668
person.identifier.ciencia-idC017-2559-299E
person.identifier.ciencia-id1F1D-73E2-BFBF
person.identifier.orcid0000-0002-2530-6327
person.identifier.orcid0000-0003-1490-6594
person.identifier.orcid0000-0002-2185-6401
person.identifier.ridI-3934-2012
person.identifier.scopus-author-id57193125203
person.identifier.scopus-author-id57212156213
person.identifier.scopus-author-id55901684900
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameEuropean Commission
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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