Biohydrogen Production from Liquid and Solid Fractions of Sugarcane Bagasse After Optimized Pretreatment with Hydrochloric Acid

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dc.contributor.authorLorencini, Patrícia
dc.contributor.authorSiqueira, Marcos Rechi
dc.contributor.authorManiglia, Bianca Chieregato
dc.contributor.authorTapia, Delia Rita
dc.contributor.authorMaintinguer, Sandra Imaculada [UNESP]
dc.contributor.authorReginatto, Valeria
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-12-11T17:29:38Z
dc.date.available2018-12-11T17:29:38Z
dc.date.issued2016-10-01
dc.description.abstractThis work determined the optimal conditions to pretreat sucargane bagasse with HCl by using the liquid and the solid fractions resulting from the bagasse pretreament as substrate for fermentative hydrogen production by a mixed culture. A 23 full factorial central composite design (star configuration) helped to determine how temperature, time, and acid concentration affected the total monosaccharides (TM), total reducing sugars (TRS), and total inhibitors (TI) concentrations in the liquid fraction. Temperature, time, and acid concentration impacted the TRS and TM concentrations, but these variables did not influence the TI concentration significantly. The optimal pretreatment conditions were HCl at 7.36 % (v/v), 96.8 °C, and 441.6 min, which afforded the highest TRS concentration in the liquid hydrolysates. The liquid fraction obtained from the bagasse pretreated with acid under the optimal conditions (designated liq) was not suitable for H2 production by the mixed culture before treatment of the fraction with activated carbon. The solid residual bagasse (designated sol) alone afforded 6.0 mL of H2/g of bagasse. Liq treated with 10 % (m/v) activated carbon, to give liq + C, and sol added with the enzyme Celluclast® 10 U g−1, to afford sol + E, yielded 45.3 and 7.8 mL of H2/g of bagasse respectively, which amounted to 53.1 mL of H2/g of bagasse. The volumetric productivities—1450 and 1423 mL of H2 L−1 d−1 for liq + C and sol + E, respectively—are the highest ever reported in the literature for H2 production from sugarcane bagasse by a microbial consortium.en
dc.description.affiliationDepartamento de Química Faculdade de Filosofia Ciências e Letras de Ribeirão Preto Universidade de São Paulo
dc.description.affiliationInstitute of Chemistry Center for Monitoring and Research of the Quality of Fuels Biofuels Crude Oils and Derivatives – CEMPEQC UNESP - São Paulo State University, Prof. Francisco Degni Street 55
dc.description.affiliationUnespInstitute of Chemistry Center for Monitoring and Research of the Quality of Fuels Biofuels Crude Oils and Derivatives – CEMPEQC UNESP - São Paulo State University, Prof. Francisco Degni Street 55
dc.format.extent1017-1029
dc.identifierhttp://dx.doi.org/10.1007/s12649-016-9494-4
dc.identifier.citationWaste and Biomass Valorization, v. 7, n. 5, p. 1017-1029, 2016.
dc.identifier.doi10.1007/s12649-016-9494-4
dc.identifier.file2-s2.0-84988468472.pdf
dc.identifier.issn1877-265X
dc.identifier.issn1877-2641
dc.identifier.lattes2967035823175406
dc.identifier.orcid0000-0002-4584-7649
dc.identifier.scopus2-s2.0-84988468472
dc.identifier.urihttp://hdl.handle.net/11449/178289
dc.language.isoeng
dc.relation.ispartofWaste and Biomass Valorization
dc.relation.ispartofsjr0,434
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectBiohydrogen
dc.subjectFermentation
dc.subjectHydrochloric acid
dc.subjectPretreatment
dc.subjectSugarcane bagasse
dc.titleBiohydrogen Production from Liquid and Solid Fractions of Sugarcane Bagasse After Optimized Pretreatment with Hydrochloric Aciden
dc.typeArtigo
unesp.author.lattes2967035823175406[5]
unesp.author.orcid0000-0002-4584-7649[5]

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