Pretreatment of sugarcane bagasse with dilute citric acid and enzymatic hydrolysis : use of black liquor and solid fraction for biogas production.

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dc.contributor.authorGomes, Michelle Garcia
dc.contributor.authorParanhos, Aline Gomes de Oliveira
dc.contributor.authorCamargos, Adonai Bruneli de
dc.contributor.authorBaeta, Bruno Eduardo Lobo
dc.contributor.authorBaffi, Milla Alves
dc.contributor.authorGurgel, Leandro Vinícius Alves
dc.contributor.authorPasquini, Daniel
dc.date.accessioned2023-05-17T19:54:08Z
dc.date.available2023-05-17T19:54:08Z
dc.date.issued2022pt_BR
dc.description.abstractThis study evaluated the pretreatment of sugarcane bagasse (SCB) with dilute citric acid solution for biogas production. The black liquor (BL) from pretreatment and residual solid fraction (RSF) obtained after enzymatic hydrolysis were used as substrates for the biogas production. After saccharifications of the pretreated solid fractions performed with Cellic® CTec 3 cocktail, the highest concentration of total reducing sugars (TRS) was in the range of 10.7–184.8 g L−1 and the sugar yields were in the range of 3.5–88.8%. For BL, the contents of glucose, xylose, and arabinose were in the range of 1.9–8.9 g L−1, 4.0–24.7 g L−1, and 0.2–5.4 g L−1, respectively. Biogas production from BL and RSF resulted, respectively, in maximum values of 563.6 and 57.8 NmL gCOD−1, indicating the feasibility of using dilute citric acid pretreatment coupled to biogas production in biorefineries. Brief energy and economic assessment were carried out considering the energy balance (thermal energy generated by burning biogas - thermal energy spent in the pretreatment), as well as revenue from a possible sale of electricity generated in a combined heat and power system.pt_BR
dc.identifier.citationGOMES, M. G. et al. Pretreatment of sugarcane bagasse with dilute citric acid and enzymatic hydrolysis: use of black liquor and solid fraction for biogas production. Renewable Energy, v. 191, p. 428-438, maio 2022. Disponível em: <https://www.sciencedirect.com/science/article/pii/S0960148122005183>. Acesso em: 11 out. 2022.pt_BR
dc.identifier.doihttps://doi.org/10.1016/j.renene.2022.04.057pt_BR
dc.identifier.issn0960-1481
dc.identifier.urihttp://www.repositorio.ufop.br/jspui/handle/123456789/16586
dc.identifier.uri2https://www.sciencedirect.com/science/article/pii/S0960148122005183pt_BR
dc.language.isoen_USpt_BR
dc.rightsrestritopt_BR
dc.subjectBiorefinerypt_BR
dc.subjectBiomass pretreatmentpt_BR
dc.subjectEnzymatic hydrolysispt_BR
dc.subjectAnaerobic digestionpt_BR
dc.subjectBiogaspt_BR
dc.titlePretreatment of sugarcane bagasse with dilute citric acid and enzymatic hydrolysis : use of black liquor and solid fraction for biogas production.pt_BR
dc.typeArtigo publicado em periodicopt_BR
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