Behaviour of two main portuguese wood species towards enzymatic hydrolysis

Detalhes bibliográficos
Autor(a) principal: Spiridon, Iuliana
Data de Publicação: 2001
Outros Autores: Belgacem, Mohamed Naceur, Duarte, Ana Paula
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.6/572
Resumo: This paper presents the influence of cellulolytic and hemicellulolytic enzymes on the papermaking properties of pulps from Eucalyptus globulus and Pinus pinaster wood species from Portugal. It was shown that these enzymes increased the delignification efficiency and degraded the cellulose macromolecules, having effects on the fiber strength. Thus, it was found that these treatments decreased strongly the burst index, but increased significantly the tearing properties. The zero span tensile strength was also affected, especially for Eucalyptus globulus pulps. Finally, these treatments were found to increase the brightness of the treated pulps.
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spelling Behaviour of two main portuguese wood species towards enzymatic hydrolysisXylanaseCellulasePinus pinasterEucalyptus globulusEnzymatic treatmentPaper propertiesThis paper presents the influence of cellulolytic and hemicellulolytic enzymes on the papermaking properties of pulps from Eucalyptus globulus and Pinus pinaster wood species from Portugal. It was shown that these enzymes increased the delignification efficiency and degraded the cellulose macromolecules, having effects on the fiber strength. Thus, it was found that these treatments decreased strongly the burst index, but increased significantly the tearing properties. The zero span tensile strength was also affected, especially for Eucalyptus globulus pulps. Finally, these treatments were found to increase the brightness of the treated pulps.uBibliorumSpiridon, IulianaBelgacem, Mohamed NaceurDuarte, Ana Paula2010-04-28T10:06:58Z20012001-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.6/572enginfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-12-15T09:35:48Zoai:ubibliorum.ubi.pt:10400.6/572Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T00:42:36.851139Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Behaviour of two main portuguese wood species towards enzymatic hydrolysis
title Behaviour of two main portuguese wood species towards enzymatic hydrolysis
spellingShingle Behaviour of two main portuguese wood species towards enzymatic hydrolysis
Spiridon, Iuliana
Xylanase
Cellulase
Pinus pinaster
Eucalyptus globulus
Enzymatic treatment
Paper properties
title_short Behaviour of two main portuguese wood species towards enzymatic hydrolysis
title_full Behaviour of two main portuguese wood species towards enzymatic hydrolysis
title_fullStr Behaviour of two main portuguese wood species towards enzymatic hydrolysis
title_full_unstemmed Behaviour of two main portuguese wood species towards enzymatic hydrolysis
title_sort Behaviour of two main portuguese wood species towards enzymatic hydrolysis
author Spiridon, Iuliana
author_facet Spiridon, Iuliana
Belgacem, Mohamed Naceur
Duarte, Ana Paula
author_role author
author2 Belgacem, Mohamed Naceur
Duarte, Ana Paula
author2_role author
author
dc.contributor.none.fl_str_mv uBibliorum
dc.contributor.author.fl_str_mv Spiridon, Iuliana
Belgacem, Mohamed Naceur
Duarte, Ana Paula
dc.subject.por.fl_str_mv Xylanase
Cellulase
Pinus pinaster
Eucalyptus globulus
Enzymatic treatment
Paper properties
topic Xylanase
Cellulase
Pinus pinaster
Eucalyptus globulus
Enzymatic treatment
Paper properties
description This paper presents the influence of cellulolytic and hemicellulolytic enzymes on the papermaking properties of pulps from Eucalyptus globulus and Pinus pinaster wood species from Portugal. It was shown that these enzymes increased the delignification efficiency and degraded the cellulose macromolecules, having effects on the fiber strength. Thus, it was found that these treatments decreased strongly the burst index, but increased significantly the tearing properties. The zero span tensile strength was also affected, especially for Eucalyptus globulus pulps. Finally, these treatments were found to increase the brightness of the treated pulps.
publishDate 2001
dc.date.none.fl_str_mv 2001
2001-01-01T00:00:00Z
2010-04-28T10:06:58Z
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://hdl.handle.net/10400.6/572
url http://hdl.handle.net/10400.6/572
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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