Sugarcane straw as feedstock for 2G ethanol: Evaluation of pretreatments and enzymatic hydrolysis
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.indcrop.2019.111845 http://hdl.handle.net/11449/195010 |
Resumo: | The potential of sugarcane straw (SCS) as feedstock for 2G ethanol production was investigated. Three different pretreatments (hydrothermal, ultrasound and acid) and the enzymatic hydrolysis of SCS were evaluated. Pretreated materials were delignified with NaOH and after that the enzymatic hydrolysis of all materials was conducted. The best conditions for hydrothermal pretreatment removed a massive amount of hemicellulose (about 60%), preserving the most portions of lignin and cellulose. In general, ultrasound pretreatment was not very effective in removing the cell wall components. Acid pretreatment was able to remove high amounts of hemicellulose (77%) and lignin (54%). After NaOH treatment, a low quantity of lignin remained. The enzymatic hydrolysis achieved high conversion for the combinations hydrothermal + NaOH (84%) and acid + NaOH (86%). These results show that hydrothermal and acid pretreatment were more suitable in the process of ethanol obtainment of from SCS. |
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Sugarcane straw as feedstock for 2G ethanol: Evaluation of pretreatments and enzymatic hydrolysisSugarcane strawHydrothermal pretreatmentUltrasound pretreatmentAcid pretreatmentEnzymatic hydrolysisEthanol 2GThe potential of sugarcane straw (SCS) as feedstock for 2G ethanol production was investigated. Three different pretreatments (hydrothermal, ultrasound and acid) and the enzymatic hydrolysis of SCS were evaluated. Pretreated materials were delignified with NaOH and after that the enzymatic hydrolysis of all materials was conducted. The best conditions for hydrothermal pretreatment removed a massive amount of hemicellulose (about 60%), preserving the most portions of lignin and cellulose. In general, ultrasound pretreatment was not very effective in removing the cell wall components. Acid pretreatment was able to remove high amounts of hemicellulose (77%) and lignin (54%). After NaOH treatment, a low quantity of lignin remained. The enzymatic hydrolysis achieved high conversion for the combinations hydrothermal + NaOH (84%) and acid + NaOH (86%). These results show that hydrothermal and acid pretreatment were more suitable in the process of ethanol obtainment of from SCS.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Univ Sao Paulo, Escola Engn Lorena, Dept Biotecnol, BR-12602810 Lorena, SP, BrazilUniv Estadual Paulista, Inst Pesquisas Bioenergia, Rio Claro, SP, BrazilUniv Estadual Paulista, Inst Pesquisas Bioenergia, Rio Claro, SP, BrazilFAPESP: 2010/20396-8FAPESP: 2010/20395Elsevier B.V.Universidade de São Paulo (USP)Universidade Estadual Paulista (Unesp)Candido, R. G.Mori, N. R.Goncalves, A. R. [UNESP]2020-12-10T17:01:30Z2020-12-10T17:01:30Z2019-12-15info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10http://dx.doi.org/10.1016/j.indcrop.2019.111845Industrial Crops And Products. Amsterdam: Elsevier, v. 142, 10 p., 2019.0926-6690http://hdl.handle.net/11449/19501010.1016/j.indcrop.2019.111845WOS:000499762200032Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengIndustrial Crops And Productsinfo:eu-repo/semantics/openAccess2021-10-23T03:22:04Zoai:repositorio.unesp.br:11449/195010Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T14:24:47.043872Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Sugarcane straw as feedstock for 2G ethanol: Evaluation of pretreatments and enzymatic hydrolysis |
title |
Sugarcane straw as feedstock for 2G ethanol: Evaluation of pretreatments and enzymatic hydrolysis |
spellingShingle |
Sugarcane straw as feedstock for 2G ethanol: Evaluation of pretreatments and enzymatic hydrolysis Candido, R. G. Sugarcane straw Hydrothermal pretreatment Ultrasound pretreatment Acid pretreatment Enzymatic hydrolysis Ethanol 2G |
title_short |
Sugarcane straw as feedstock for 2G ethanol: Evaluation of pretreatments and enzymatic hydrolysis |
title_full |
Sugarcane straw as feedstock for 2G ethanol: Evaluation of pretreatments and enzymatic hydrolysis |
title_fullStr |
Sugarcane straw as feedstock for 2G ethanol: Evaluation of pretreatments and enzymatic hydrolysis |
title_full_unstemmed |
Sugarcane straw as feedstock for 2G ethanol: Evaluation of pretreatments and enzymatic hydrolysis |
title_sort |
Sugarcane straw as feedstock for 2G ethanol: Evaluation of pretreatments and enzymatic hydrolysis |
author |
Candido, R. G. |
author_facet |
Candido, R. G. Mori, N. R. Goncalves, A. R. [UNESP] |
author_role |
author |
author2 |
Mori, N. R. Goncalves, A. R. [UNESP] |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade de São Paulo (USP) Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Candido, R. G. Mori, N. R. Goncalves, A. R. [UNESP] |
dc.subject.por.fl_str_mv |
Sugarcane straw Hydrothermal pretreatment Ultrasound pretreatment Acid pretreatment Enzymatic hydrolysis Ethanol 2G |
topic |
Sugarcane straw Hydrothermal pretreatment Ultrasound pretreatment Acid pretreatment Enzymatic hydrolysis Ethanol 2G |
description |
The potential of sugarcane straw (SCS) as feedstock for 2G ethanol production was investigated. Three different pretreatments (hydrothermal, ultrasound and acid) and the enzymatic hydrolysis of SCS were evaluated. Pretreated materials were delignified with NaOH and after that the enzymatic hydrolysis of all materials was conducted. The best conditions for hydrothermal pretreatment removed a massive amount of hemicellulose (about 60%), preserving the most portions of lignin and cellulose. In general, ultrasound pretreatment was not very effective in removing the cell wall components. Acid pretreatment was able to remove high amounts of hemicellulose (77%) and lignin (54%). After NaOH treatment, a low quantity of lignin remained. The enzymatic hydrolysis achieved high conversion for the combinations hydrothermal + NaOH (84%) and acid + NaOH (86%). These results show that hydrothermal and acid pretreatment were more suitable in the process of ethanol obtainment of from SCS. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-12-15 2020-12-10T17:01:30Z 2020-12-10T17:01:30Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1016/j.indcrop.2019.111845 Industrial Crops And Products. Amsterdam: Elsevier, v. 142, 10 p., 2019. 0926-6690 http://hdl.handle.net/11449/195010 10.1016/j.indcrop.2019.111845 WOS:000499762200032 |
url |
http://dx.doi.org/10.1016/j.indcrop.2019.111845 http://hdl.handle.net/11449/195010 |
identifier_str_mv |
Industrial Crops And Products. Amsterdam: Elsevier, v. 142, 10 p., 2019. 0926-6690 10.1016/j.indcrop.2019.111845 WOS:000499762200032 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Industrial Crops And Products |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
10 |
dc.publisher.none.fl_str_mv |
Elsevier B.V. |
publisher.none.fl_str_mv |
Elsevier B.V. |
dc.source.none.fl_str_mv |
Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808128357175394304 |