Valorization of an agroextractive residue—Carnauba straw—for the production of bioethanol by simultaneous saccharification and fermentation (SSF)

In this study, the use of carnauba straw residue to produce cellulosic ethanol by simultaneous saccharification and fermentation (SSF) with three industrial yeasts was investigated. Hydrothermal (HT), alkaline (AL), and acidealkaline (AA) pretreatments were carried out on the residues, and the effic...

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Principais autores: Santos, Everaldo Silvino dos, Silva, Francinaldo Leite da, Campos, Alan de Oliveira, Santos, Davi Alves dos, Magalhaes, Emilianny Rafaely Batista, Macedo, Gorete Ribeiro de
Formato: article
Idioma:English
Publicado em: Elsevier
Assuntos:
Carnauba straw
Bioethanol
Pretreatment
Lignocellulosic residue
Endereço do item:https://repositorio.ufrn.br/handle/123456789/32674
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spelling ri-123456789-326742021-06-14T15:02:34Z Valorization of an agroextractive residue—Carnauba straw—for the production of bioethanol by simultaneous saccharification and fermentation (SSF) Santos, Everaldo Silvino dos Silva, Francinaldo Leite da Campos, Alan de Oliveira Santos, Davi Alves dos Magalhaes, Emilianny Rafaely Batista Macedo, Gorete Ribeiro de Carnauba straw Bioethanol Pretreatment Lignocellulosic residue In this study, the use of carnauba straw residue to produce cellulosic ethanol by simultaneous saccharification and fermentation (SSF) with three industrial yeasts was investigated. Hydrothermal (HT), alkaline (AL), and acidealkaline (AA) pretreatments were carried out on the residues, and the efficiency of the enzymatic hydrolysis of these residues was evaluated. The SSF was performed using Saccharomyces cerevisiae UFLA CA11, Saccharomyces cerevisiae CAT-1, and Kluyveromyces marxianus ATCC-36907 at 35, 40, and 45 C. The AL pretreatment resulted in the best removal of lignin and hemicellulose. In addition, enzymatic hydrolysis of the dry residue treated with AL converted 64.43% of the lignocel-lulosic biomass to sugars. SSF of the AL-pretreated residue using Kluyveromyces marxianus ATCC-36907 cultivated at 45 C produced 7.53 g/L ethanol 2021-06-14T15:02:34Z 2021-06-14T15:02:34Z 2018-11 article SILVA, Francinaldo Leite da; CAMPOS, Alan de Oliveira; SANTOS, Davi Alves dos; MAGALHÃES, Emilianny Rafaely Batista; MACEDO, Gorete Ribeiro de; SANTOS, Everaldo Silvino dos. Valorization of an agroextractive residue—Carnauba straw—for the production of bioethanol by simultaneous saccharification and fermentation (SSF). Renewable Energy, [S.L.], v. 127, p. 661-669, nov. 2018. Disponível em https://www.sciencedirect.com/science/article/abs/pii/S0960148118305469?via%3Dihub. Acesso em: 20 abr. 2021. https://doi.org/10.1016/j.renene.2018.05.025 0960-1481 1879-0682 https://repositorio.ufrn.br/handle/123456789/32674 10.1016/j.renene.2018.05.025 en Attribution 3.0 Brazil http://creativecommons.org/licenses/by/3.0/br/ application/pdf Elsevier
institution Repositório Institucional
collection RI - UFRN
language English
topic Carnauba straw
Bioethanol
Pretreatment
Lignocellulosic residue
spellingShingle Carnauba straw
Bioethanol
Pretreatment
Lignocellulosic residue
Santos, Everaldo Silvino dos
Silva, Francinaldo Leite da
Campos, Alan de Oliveira
Santos, Davi Alves dos
Magalhaes, Emilianny Rafaely Batista
Macedo, Gorete Ribeiro de
Valorization of an agroextractive residue—Carnauba straw—for the production of bioethanol by simultaneous saccharification and fermentation (SSF)
description In this study, the use of carnauba straw residue to produce cellulosic ethanol by simultaneous saccharification and fermentation (SSF) with three industrial yeasts was investigated. Hydrothermal (HT), alkaline (AL), and acidealkaline (AA) pretreatments were carried out on the residues, and the efficiency of the enzymatic hydrolysis of these residues was evaluated. The SSF was performed using Saccharomyces cerevisiae UFLA CA11, Saccharomyces cerevisiae CAT-1, and Kluyveromyces marxianus ATCC-36907 at 35, 40, and 45 C. The AL pretreatment resulted in the best removal of lignin and hemicellulose. In addition, enzymatic hydrolysis of the dry residue treated with AL converted 64.43% of the lignocel-lulosic biomass to sugars. SSF of the AL-pretreated residue using Kluyveromyces marxianus ATCC-36907 cultivated at 45 C produced 7.53 g/L ethanol
format article
author Santos, Everaldo Silvino dos
Silva, Francinaldo Leite da
Campos, Alan de Oliveira
Santos, Davi Alves dos
Magalhaes, Emilianny Rafaely Batista
Macedo, Gorete Ribeiro de
author_facet Santos, Everaldo Silvino dos
Silva, Francinaldo Leite da
Campos, Alan de Oliveira
Santos, Davi Alves dos
Magalhaes, Emilianny Rafaely Batista
Macedo, Gorete Ribeiro de
author_sort Santos, Everaldo Silvino dos
title Valorization of an agroextractive residue—Carnauba straw—for the production of bioethanol by simultaneous saccharification and fermentation (SSF)
title_short Valorization of an agroextractive residue—Carnauba straw—for the production of bioethanol by simultaneous saccharification and fermentation (SSF)
title_full Valorization of an agroextractive residue—Carnauba straw—for the production of bioethanol by simultaneous saccharification and fermentation (SSF)
title_fullStr Valorization of an agroextractive residue—Carnauba straw—for the production of bioethanol by simultaneous saccharification and fermentation (SSF)
title_full_unstemmed Valorization of an agroextractive residue—Carnauba straw—for the production of bioethanol by simultaneous saccharification and fermentation (SSF)
title_sort valorization of an agroextractive residue—carnauba straw—for the production of bioethanol by simultaneous saccharification and fermentation (ssf)
publisher Elsevier
publishDate 2021
url https://repositorio.ufrn.br/handle/123456789/32674
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