Optimization of Laccase/Mediator System (LMS) Stage Applied in Fractionation of Eucalyptus globulus

In a biorefinery framework, a laccase/mediator system treatment following autohydrolysis was carried out for eucalyptus wood prior to soda-anthraquinone pulping. The enzymatic and autohydrolysis conditions, with a view to maximizing the extraction of hemicelluloses while preserving the integrity of...

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Autores: Loaiza Rodríguez, Javier Mauricio, Alfaro Martínez, Ascensión, López Baldovín, Francisco, García Domínguez, María Trinidad, García Domínguez, Juan Carlos
Tipo de recurso: artículo
Fecha de publicación:2019
País:España
Institución:Universidad de Huelva (UHU)
Repositorio:Arias Montano. Repositorio Institucional de la Universidad de Huelva
Idioma:inglés
OAI Identifier:oai:ariasmontano.uhu.es:10272/16315
Acceso en línea:http://hdl.handle.net/10272/16315
Access Level:acceso abierto
Palabra clave:Autohydrolysis
Eucalyptus globulus
Laccase
Hemicellulose
Pulp
Soda-AQ
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spelling Optimization of Laccase/Mediator System (LMS) Stage Applied in Fractionation of Eucalyptus globulusLoaiza Rodríguez, Javier MauricioAlfaro Martínez, AscensiónLópez Baldovín, FranciscoGarcía Domínguez, María TrinidadGarcía Domínguez, Juan CarlosAutohydrolysisEucalyptus globulusLaccaseHemicellulosePulpSoda-AQIn a biorefinery framework, a laccase/mediator system treatment following autohydrolysis was carried out for eucalyptus wood prior to soda-anthraquinone pulping. The enzymatic and autohydrolysis conditions, with a view to maximizing the extraction of hemicelluloses while preserving the integrity of glucan, were optimized. Secondly, pulping of solid phase from Eucalyptus globulus wood autohydrolysis and the enzymatic process was carried out and compared with a conventional soda-anthraquinone (AQ) pulping process. The prehydrolysis and enzymatic delignification of the raw material prior to the delignification with soda- Anthraquinone (AQ) results in paper sheets with a lower kappa number and brightness and strength properties close to conventional soda-AQ paper and a liquid fraction rich in hemicellulose compounds that can be used in additional ways. The advantage of this biorefinery scheme is that it requires a lower concentration of chemical reagents, and lower operating times and temperature in the alkaline delignification stage, which represents an economic and environmental improvement over the conventional process.MDPI20192019-01-0120192019-01-01journal articlehttp://purl.org/coar/resource_type/c_6501info:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10272/16315reponame:Arias Montano. Repositorio Institucional de la Universidad de Huelvainstname:Universidad de Huelva (UHU)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2An error occurred on the license name.An error occurred getting the license - uri.info:eu-repo/semantics/openAccessoai:ariasmontano.uhu.es:10272/163152026-06-02T14:58:11Z
dc.title.none.fl_str_mv Optimization of Laccase/Mediator System (LMS) Stage Applied in Fractionation of Eucalyptus globulus
title Optimization of Laccase/Mediator System (LMS) Stage Applied in Fractionation of Eucalyptus globulus
spellingShingle Optimization of Laccase/Mediator System (LMS) Stage Applied in Fractionation of Eucalyptus globulus
Loaiza Rodríguez, Javier Mauricio
Autohydrolysis
Eucalyptus globulus
Laccase
Hemicellulose
Pulp
Soda-AQ
title_short Optimization of Laccase/Mediator System (LMS) Stage Applied in Fractionation of Eucalyptus globulus
title_full Optimization of Laccase/Mediator System (LMS) Stage Applied in Fractionation of Eucalyptus globulus
title_fullStr Optimization of Laccase/Mediator System (LMS) Stage Applied in Fractionation of Eucalyptus globulus
title_full_unstemmed Optimization of Laccase/Mediator System (LMS) Stage Applied in Fractionation of Eucalyptus globulus
title_sort Optimization of Laccase/Mediator System (LMS) Stage Applied in Fractionation of Eucalyptus globulus
dc.creator.none.fl_str_mv Loaiza Rodríguez, Javier Mauricio
Alfaro Martínez, Ascensión
López Baldovín, Francisco
García Domínguez, María Trinidad
García Domínguez, Juan Carlos
author Loaiza Rodríguez, Javier Mauricio
author_facet Loaiza Rodríguez, Javier Mauricio
Alfaro Martínez, Ascensión
López Baldovín, Francisco
García Domínguez, María Trinidad
García Domínguez, Juan Carlos
author_role author
author2 Alfaro Martínez, Ascensión
López Baldovín, Francisco
García Domínguez, María Trinidad
García Domínguez, Juan Carlos
author2_role author
author
author
author
dc.contributor.none.fl_str_mv
dc.subject.none.fl_str_mv Autohydrolysis
Eucalyptus globulus
Laccase
Hemicellulose
Pulp
Soda-AQ
topic Autohydrolysis
Eucalyptus globulus
Laccase
Hemicellulose
Pulp
Soda-AQ
description In a biorefinery framework, a laccase/mediator system treatment following autohydrolysis was carried out for eucalyptus wood prior to soda-anthraquinone pulping. The enzymatic and autohydrolysis conditions, with a view to maximizing the extraction of hemicelluloses while preserving the integrity of glucan, were optimized. Secondly, pulping of solid phase from Eucalyptus globulus wood autohydrolysis and the enzymatic process was carried out and compared with a conventional soda-anthraquinone (AQ) pulping process. The prehydrolysis and enzymatic delignification of the raw material prior to the delignification with soda- Anthraquinone (AQ) results in paper sheets with a lower kappa number and brightness and strength properties close to conventional soda-AQ paper and a liquid fraction rich in hemicellulose compounds that can be used in additional ways. The advantage of this biorefinery scheme is that it requires a lower concentration of chemical reagents, and lower operating times and temperature in the alkaline delignification stage, which represents an economic and environmental improvement over the conventional process.
publishDate 2019
dc.date.none.fl_str_mv 2019
2019-01-01
2019
2019-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10272/16315
url http://hdl.handle.net/10272/16315
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
An error occurred on the license name.
An error occurred getting the license - uri.
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
An error occurred on the license name.
An error occurred getting the license - uri.
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv MDPI
publisher.none.fl_str_mv MDPI
dc.source.none.fl_str_mv reponame:Arias Montano. Repositorio Institucional de la Universidad de Huelva
instname:Universidad de Huelva (UHU)
instname_str Universidad de Huelva (UHU)
reponame_str Arias Montano. Repositorio Institucional de la Universidad de Huelva
collection Arias Montano. Repositorio Institucional de la Universidad de Huelva
repository.name.fl_str_mv
repository.mail.fl_str_mv
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