Fractionation of Pinus radiata wood by combination of steam explosion and organosolv delignification
- Autores
- Imlauer Vedoya, Camila María; Vergara Alarcón, Priscila; Area, Maria Cristina; Revilla Molina, Jormil Esteban; Felissia, Fernando Esteban; Villar, Juan Carlos
- Año de publicación
- 2019
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- This work proposes a sequential combination of steam explosion and organosolv delignification for Pinus radiata fractionation. An efficient pretreatment to fully optimize the use of lignocellulosic materials is the key to make a biorefinery profitable, especially for softwoods, known to be more recalcitrant than other lignocellulosic raw materials. Steam explosion has a dual effect on biomass as morphological and chemical changes are introduced. A delignifying stage has been stated to be necessary in order to ease hydrolytic enzymes accessibility to cellulose while avoiding non-productive bonds with the lignin present. Three steam explosion conditions were tested (170°C, 5 min; 180°C, 10 min; 170°C, 5+5 min) followed by an organosolv delignification stage, carried out at two different conditions (170°C, 60 min; 170°C, 90 min). All treatment yields, delignification extent, and hydrolysis yields were determined to evaluate each stage. The steam explosion treatment did not produce high delignification extent. Maximum global delignification (50.4%) was achieved when combining the two-cycle steam explosion with the most severe post-treatment condition tested. Enzymatic hydrolysis of the cellulosic residue improved after organosolv delignification; however, hydrolysis yields did not exceed 35%. The chemical changes undergone by softwood lignins are presumably responsible for the low digestibility.
Fil: Imlauer Vedoya, Camila María. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; Argentina
Fil: Vergara Alarcón, Priscila. Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria; España
Fil: Area, Maria Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; Argentina
Fil: Revilla, Esteban. Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria. Centro de Investigación Forestal; España
Fil: Felissia, Fernando Esteban. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; Argentina
Fil: Villar, Juan Carlos. Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria. Centro de Investigación Forestal; España - Materia
-
BIOMASS
ENZYMATIC HYDROLYSIS
LIGNINS
PRETREATMEN
RADIATA PINE - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/94611
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Fractionation of Pinus radiata wood by combination of steam explosion and organosolv delignificationImlauer Vedoya, Camila MaríaVergara Alarcón, PriscilaArea, Maria CristinaRevilla Molina, Jormil EstebanFelissia, Fernando EstebanVillar, Juan CarlosBIOMASSENZYMATIC HYDROLYSISLIGNINSPRETREATMENRADIATA PINEhttps://purl.org/becyt/ford/2.4https://purl.org/becyt/ford/2This work proposes a sequential combination of steam explosion and organosolv delignification for Pinus radiata fractionation. An efficient pretreatment to fully optimize the use of lignocellulosic materials is the key to make a biorefinery profitable, especially for softwoods, known to be more recalcitrant than other lignocellulosic raw materials. Steam explosion has a dual effect on biomass as morphological and chemical changes are introduced. A delignifying stage has been stated to be necessary in order to ease hydrolytic enzymes accessibility to cellulose while avoiding non-productive bonds with the lignin present. Three steam explosion conditions were tested (170°C, 5 min; 180°C, 10 min; 170°C, 5+5 min) followed by an organosolv delignification stage, carried out at two different conditions (170°C, 60 min; 170°C, 90 min). All treatment yields, delignification extent, and hydrolysis yields were determined to evaluate each stage. The steam explosion treatment did not produce high delignification extent. Maximum global delignification (50.4%) was achieved when combining the two-cycle steam explosion with the most severe post-treatment condition tested. Enzymatic hydrolysis of the cellulosic residue improved after organosolv delignification; however, hydrolysis yields did not exceed 35%. The chemical changes undergone by softwood lignins are presumably responsible for the low digestibility.Fil: Imlauer Vedoya, Camila María. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; ArgentinaFil: Vergara Alarcón, Priscila. Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria; EspañaFil: Area, Maria Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; ArgentinaFil: Revilla, Esteban. Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria. Centro de Investigación Forestal; EspañaFil: Felissia, Fernando Esteban. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; ArgentinaFil: Villar, Juan Carlos. Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria. Centro de Investigación Forestal; EspañaUniversidad del Bío-Bío2019-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/94611Imlauer Vedoya, Camila María; Vergara Alarcón, Priscila; Area, Maria Cristina; Revilla Molina, Jormil Esteban; Felissia, Fernando Esteban; et al.; Fractionation of Pinus radiata wood by combination of steam explosion and organosolv delignification; Universidad del Bío-Bío; Maderas. Ciencia y Tecnología; 21; 4; 12-2019; 587-5880717-36440718-221XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://revistas.ubiobio.cl/index.php/MCT/article/view/3810info:eu-repo/semantics/altIdentifier/url/https://scielo.conicyt.cl/scielo.php?script=sci_abstract&pid=S0718-221X2019005000414&lng=es&nrm=iso&tlng=eninfo:eu-repo/semantics/altIdentifier/doi/10.4067/S0718-221X2019005000414info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:09:54Zoai:ri.conicet.gov.ar:11336/94611instacron: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:34982025-09-03 10:09:54.841CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Fractionation of Pinus radiata wood by combination of steam explosion and organosolv delignification |
title |
Fractionation of Pinus radiata wood by combination of steam explosion and organosolv delignification |
spellingShingle |
Fractionation of Pinus radiata wood by combination of steam explosion and organosolv delignification Imlauer Vedoya, Camila María BIOMASS ENZYMATIC HYDROLYSIS LIGNINS PRETREATMEN RADIATA PINE |
title_short |
Fractionation of Pinus radiata wood by combination of steam explosion and organosolv delignification |
title_full |
Fractionation of Pinus radiata wood by combination of steam explosion and organosolv delignification |
title_fullStr |
Fractionation of Pinus radiata wood by combination of steam explosion and organosolv delignification |
title_full_unstemmed |
Fractionation of Pinus radiata wood by combination of steam explosion and organosolv delignification |
title_sort |
Fractionation of Pinus radiata wood by combination of steam explosion and organosolv delignification |
dc.creator.none.fl_str_mv |
Imlauer Vedoya, Camila María Vergara Alarcón, Priscila Area, Maria Cristina Revilla Molina, Jormil Esteban Felissia, Fernando Esteban Villar, Juan Carlos |
author |
Imlauer Vedoya, Camila María |
author_facet |
Imlauer Vedoya, Camila María Vergara Alarcón, Priscila Area, Maria Cristina Revilla Molina, Jormil Esteban Felissia, Fernando Esteban Villar, Juan Carlos |
author_role |
author |
author2 |
Vergara Alarcón, Priscila Area, Maria Cristina Revilla Molina, Jormil Esteban Felissia, Fernando Esteban Villar, Juan Carlos |
author2_role |
author author author author author |
dc.subject.none.fl_str_mv |
BIOMASS ENZYMATIC HYDROLYSIS LIGNINS PRETREATMEN RADIATA PINE |
topic |
BIOMASS ENZYMATIC HYDROLYSIS LIGNINS PRETREATMEN RADIATA PINE |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/2.4 https://purl.org/becyt/ford/2 |
dc.description.none.fl_txt_mv |
This work proposes a sequential combination of steam explosion and organosolv delignification for Pinus radiata fractionation. An efficient pretreatment to fully optimize the use of lignocellulosic materials is the key to make a biorefinery profitable, especially for softwoods, known to be more recalcitrant than other lignocellulosic raw materials. Steam explosion has a dual effect on biomass as morphological and chemical changes are introduced. A delignifying stage has been stated to be necessary in order to ease hydrolytic enzymes accessibility to cellulose while avoiding non-productive bonds with the lignin present. Three steam explosion conditions were tested (170°C, 5 min; 180°C, 10 min; 170°C, 5+5 min) followed by an organosolv delignification stage, carried out at two different conditions (170°C, 60 min; 170°C, 90 min). All treatment yields, delignification extent, and hydrolysis yields were determined to evaluate each stage. The steam explosion treatment did not produce high delignification extent. Maximum global delignification (50.4%) was achieved when combining the two-cycle steam explosion with the most severe post-treatment condition tested. Enzymatic hydrolysis of the cellulosic residue improved after organosolv delignification; however, hydrolysis yields did not exceed 35%. The chemical changes undergone by softwood lignins are presumably responsible for the low digestibility. Fil: Imlauer Vedoya, Camila María. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; Argentina Fil: Vergara Alarcón, Priscila. Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria; España Fil: Area, Maria Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; Argentina Fil: Revilla, Esteban. Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria. Centro de Investigación Forestal; España Fil: Felissia, Fernando Esteban. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; Argentina Fil: Villar, Juan Carlos. Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria. Centro de Investigación Forestal; España |
description |
This work proposes a sequential combination of steam explosion and organosolv delignification for Pinus radiata fractionation. An efficient pretreatment to fully optimize the use of lignocellulosic materials is the key to make a biorefinery profitable, especially for softwoods, known to be more recalcitrant than other lignocellulosic raw materials. Steam explosion has a dual effect on biomass as morphological and chemical changes are introduced. A delignifying stage has been stated to be necessary in order to ease hydrolytic enzymes accessibility to cellulose while avoiding non-productive bonds with the lignin present. Three steam explosion conditions were tested (170°C, 5 min; 180°C, 10 min; 170°C, 5+5 min) followed by an organosolv delignification stage, carried out at two different conditions (170°C, 60 min; 170°C, 90 min). All treatment yields, delignification extent, and hydrolysis yields were determined to evaluate each stage. The steam explosion treatment did not produce high delignification extent. Maximum global delignification (50.4%) was achieved when combining the two-cycle steam explosion with the most severe post-treatment condition tested. Enzymatic hydrolysis of the cellulosic residue improved after organosolv delignification; however, hydrolysis yields did not exceed 35%. The chemical changes undergone by softwood lignins are presumably responsible for the low digestibility. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-12 |
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/11336/94611 Imlauer Vedoya, Camila María; Vergara Alarcón, Priscila; Area, Maria Cristina; Revilla Molina, Jormil Esteban; Felissia, Fernando Esteban; et al.; Fractionation of Pinus radiata wood by combination of steam explosion and organosolv delignification; Universidad del Bío-Bío; Maderas. Ciencia y Tecnología; 21; 4; 12-2019; 587-588 0717-3644 0718-221X CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/94611 |
identifier_str_mv |
Imlauer Vedoya, Camila María; Vergara Alarcón, Priscila; Area, Maria Cristina; Revilla Molina, Jormil Esteban; Felissia, Fernando Esteban; et al.; Fractionation of Pinus radiata wood by combination of steam explosion and organosolv delignification; Universidad del Bío-Bío; Maderas. Ciencia y Tecnología; 21; 4; 12-2019; 587-588 0717-3644 0718-221X CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/http://revistas.ubiobio.cl/index.php/MCT/article/view/3810 info:eu-repo/semantics/altIdentifier/url/https://scielo.conicyt.cl/scielo.php?script=sci_abstract&pid=S0718-221X2019005000414&lng=es&nrm=iso&tlng=en info:eu-repo/semantics/altIdentifier/doi/10.4067/S0718-221X2019005000414 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Universidad del Bío-Bío |
publisher.none.fl_str_mv |
Universidad del Bío-Bío |
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 |
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1842270098673369088 |
score |
13.13397 |