Low liquid-solid ratio (LSR) hot water pretreatment of sugarcane bagasse

Autores
Vallejos, María Evangelina; Dib Zambon, Marcia; Area, Maria Cristina; Da Silva Curvelo, Antonio Aprigio
Año de publicación
2012
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Low liquid solid ratio (LSR) can be used to obtain high-content xylo-oligosaccharide (XOS) spend liquor by hot water pretreatment. Developing a technology based on low LSR results in more efficient water usage in the system and thus in lower capital and operating costs. Xylans from xylan rich agro-industrial waste are abundant hemicellulosic polymers with enormous potential for industrial applications. Currently, freeze-dried xylo-oligosaccharides are used as bio-based polymers and hydrolysates containing high xylose contents are converted to several chemical products. In this study, sugarcane bagasse was treated with water at low LSRs and mild temperatures in order to assess the effects of varying the pretreatment conditions on the xylo-oligosaccharide and xylose concentrations, and use a central composite experimental design to optimize the process parameters. The pretreatments were performed in the ranges temperature: 143.3-176.7 °C, time: 20-70 min and LSR: 1:1 to 11:1 (g/ g). The maximum concentrations of xylose and xylan were 13.76 and 36.18 g /L (equivalent to 48.29 g/L of xylan), respectively, which were achieved by treating bagasse at 170 °C for 60 min, with LSR of 3 g/g. The amount of xylan removed under these conditions was almost 57%. The soluble xylan consisted mainly of xylo-oligosaccharides (74 wt% of the identified compound in the spent liquor).  
Fil: Vallejos, María Evangelina. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Dib Zambon, Marcia. Universidade de Sao Paulo; Brasil
Fil: Area, Maria Cristina. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Da Silva Curvelo, Antonio Aprigio. Universidade de Sao Paulo; Brasil. Centro de Pesquisa em Energia e Materiais; Brasil
Materia
Autohydrolysis
Bagasse
Hemicelluloses
Liquid/Solid Ratio
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/9098
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/9098
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Low liquid-solid ratio (LSR) hot water pretreatment of sugarcane bagasseVallejos, María EvangelinaDib Zambon, MarciaArea, Maria CristinaDa Silva Curvelo, Antonio AprigioAutohydrolysisBagasseHemicellulosesLiquid/Solid Ratiohttps://purl.org/becyt/ford/2.4https://purl.org/becyt/ford/2Low liquid solid ratio (LSR) can be used to obtain high-content xylo-oligosaccharide (XOS) spend liquor by hot water pretreatment. Developing a technology based on low LSR results in more efficient water usage in the system and thus in lower capital and operating costs. Xylans from xylan rich agro-industrial waste are abundant hemicellulosic polymers with enormous potential for industrial applications. Currently, freeze-dried xylo-oligosaccharides are used as bio-based polymers and hydrolysates containing high xylose contents are converted to several chemical products. In this study, sugarcane bagasse was treated with water at low LSRs and mild temperatures in order to assess the effects of varying the pretreatment conditions on the xylo-oligosaccharide and xylose concentrations, and use a central composite experimental design to optimize the process parameters. The pretreatments were performed in the ranges temperature: 143.3-176.7 °C, time: 20-70 min and LSR: 1:1 to 11:1 (g/ g). The maximum concentrations of xylose and xylan were 13.76 and 36.18 g /L (equivalent to 48.29 g/L of xylan), respectively, which were achieved by treating bagasse at 170 °C for 60 min, with LSR of 3 g/g. The amount of xylan removed under these conditions was almost 57%. The soluble xylan consisted mainly of xylo-oligosaccharides (74 wt% of the identified compound in the spent liquor).  Fil: Vallejos, María Evangelina. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Dib Zambon, Marcia. Universidade de Sao Paulo; BrasilFil: Area, Maria Cristina. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Da Silva Curvelo, Antonio Aprigio. Universidade de Sao Paulo; Brasil. Centro de Pesquisa em Energia e Materiais; BrasilRoyal Society Of Chemistry2012-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/9098Vallejos, María Evangelina; Dib Zambon, Marcia; Area, Maria Cristina; Da Silva Curvelo, Antonio Aprigio; Low liquid-solid ratio (LSR) hot water pretreatment of sugarcane bagasse; Royal Society Of Chemistry; Green Chemistry (print); 14; 7; 6-2012; 1982-19891463-92621463-9270enginfo:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/content/articlelanding/2012/GC/C2GC35397Kinfo:eu-repo/semantics/altIdentifier/doi/10.1039/c2gc35397kinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:33:43Zoai:ri.conicet.gov.ar:11336/9098instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:33:43.938CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Low liquid-solid ratio (LSR) hot water pretreatment of sugarcane bagasse
title Low liquid-solid ratio (LSR) hot water pretreatment of sugarcane bagasse
spellingShingle Low liquid-solid ratio (LSR) hot water pretreatment of sugarcane bagasse
Vallejos, María Evangelina
Autohydrolysis
Bagasse
Hemicelluloses
Liquid/Solid Ratio
title_short Low liquid-solid ratio (LSR) hot water pretreatment of sugarcane bagasse
title_full Low liquid-solid ratio (LSR) hot water pretreatment of sugarcane bagasse
title_fullStr Low liquid-solid ratio (LSR) hot water pretreatment of sugarcane bagasse
title_full_unstemmed Low liquid-solid ratio (LSR) hot water pretreatment of sugarcane bagasse
title_sort Low liquid-solid ratio (LSR) hot water pretreatment of sugarcane bagasse
dc.creator.none.fl_str_mv Vallejos, María Evangelina
Dib Zambon, Marcia
Area, Maria Cristina
Da Silva Curvelo, Antonio Aprigio
author Vallejos, María Evangelina
author_facet Vallejos, María Evangelina
Dib Zambon, Marcia
Area, Maria Cristina
Da Silva Curvelo, Antonio Aprigio
author_role author
author2 Dib Zambon, Marcia
Area, Maria Cristina
Da Silva Curvelo, Antonio Aprigio
author2_role author
author
author
dc.subject.none.fl_str_mv Autohydrolysis
Bagasse
Hemicelluloses
Liquid/Solid Ratio
topic Autohydrolysis
Bagasse
Hemicelluloses
Liquid/Solid Ratio
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.4
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv Low liquid solid ratio (LSR) can be used to obtain high-content xylo-oligosaccharide (XOS) spend liquor by hot water pretreatment. Developing a technology based on low LSR results in more efficient water usage in the system and thus in lower capital and operating costs. Xylans from xylan rich agro-industrial waste are abundant hemicellulosic polymers with enormous potential for industrial applications. Currently, freeze-dried xylo-oligosaccharides are used as bio-based polymers and hydrolysates containing high xylose contents are converted to several chemical products. In this study, sugarcane bagasse was treated with water at low LSRs and mild temperatures in order to assess the effects of varying the pretreatment conditions on the xylo-oligosaccharide and xylose concentrations, and use a central composite experimental design to optimize the process parameters. The pretreatments were performed in the ranges temperature: 143.3-176.7 °C, time: 20-70 min and LSR: 1:1 to 11:1 (g/ g). The maximum concentrations of xylose and xylan were 13.76 and 36.18 g /L (equivalent to 48.29 g/L of xylan), respectively, which were achieved by treating bagasse at 170 °C for 60 min, with LSR of 3 g/g. The amount of xylan removed under these conditions was almost 57%. The soluble xylan consisted mainly of xylo-oligosaccharides (74 wt% of the identified compound in the spent liquor).  
Fil: Vallejos, María Evangelina. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Dib Zambon, Marcia. Universidade de Sao Paulo; Brasil
Fil: Area, Maria Cristina. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Da Silva Curvelo, Antonio Aprigio. Universidade de Sao Paulo; Brasil. Centro de Pesquisa em Energia e Materiais; Brasil
description Low liquid solid ratio (LSR) can be used to obtain high-content xylo-oligosaccharide (XOS) spend liquor by hot water pretreatment. Developing a technology based on low LSR results in more efficient water usage in the system and thus in lower capital and operating costs. Xylans from xylan rich agro-industrial waste are abundant hemicellulosic polymers with enormous potential for industrial applications. Currently, freeze-dried xylo-oligosaccharides are used as bio-based polymers and hydrolysates containing high xylose contents are converted to several chemical products. In this study, sugarcane bagasse was treated with water at low LSRs and mild temperatures in order to assess the effects of varying the pretreatment conditions on the xylo-oligosaccharide and xylose concentrations, and use a central composite experimental design to optimize the process parameters. The pretreatments were performed in the ranges temperature: 143.3-176.7 °C, time: 20-70 min and LSR: 1:1 to 11:1 (g/ g). The maximum concentrations of xylose and xylan were 13.76 and 36.18 g /L (equivalent to 48.29 g/L of xylan), respectively, which were achieved by treating bagasse at 170 °C for 60 min, with LSR of 3 g/g. The amount of xylan removed under these conditions was almost 57%. The soluble xylan consisted mainly of xylo-oligosaccharides (74 wt% of the identified compound in the spent liquor).  
publishDate 2012
dc.date.none.fl_str_mv 2012-06
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/9098
Vallejos, María Evangelina; Dib Zambon, Marcia; Area, Maria Cristina; Da Silva Curvelo, Antonio Aprigio; Low liquid-solid ratio (LSR) hot water pretreatment of sugarcane bagasse; Royal Society Of Chemistry; Green Chemistry (print); 14; 7; 6-2012; 1982-1989
1463-9262
1463-9270
url http://hdl.handle.net/11336/9098
identifier_str_mv Vallejos, María Evangelina; Dib Zambon, Marcia; Area, Maria Cristina; Da Silva Curvelo, Antonio Aprigio; Low liquid-solid ratio (LSR) hot water pretreatment of sugarcane bagasse; Royal Society Of Chemistry; Green Chemistry (print); 14; 7; 6-2012; 1982-1989
1463-9262
1463-9270
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/content/articlelanding/2012/GC/C2GC35397K
info:eu-repo/semantics/altIdentifier/doi/10.1039/c2gc35397k
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Royal Society Of Chemistry
publisher.none.fl_str_mv Royal Society Of Chemistry
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
_version_ 1846781956901044224
score 12.982451

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