Publicação
Characterization of cypress wood for kraft pulp production
| Resumo: | Wood samples of Cupressus arizonica, C. lusitanica, and C. sempervirens were evaluated for chemical, anatomical, and pulp characteristics as raw material for pulp production. Two 17-year-old trees per species were harvested, and wood samples were taken at a height of 2 m. Wood chips from Pinus pinaster (Portugal) and P. sylvestris (Finland) were used as references. C. arizonica differed from C. lusitanica and C. sempervirens with significantly lower (p < 0.05) tracheid diameter and wall thickness in the earlywood. The total extractives contents were 3.9%, 3.3%, and 2.5% for C. lusitanica, C. sempervirens, and C. arizonica, respectively, lower than the 5.1% for P. pinaster and 4.5% for P. sylvestris. Klason lignin content ranged from 33.0 to 35.6%, higher than the 28.0 to 28.7% for the pinewoods. The kraft pulp yields for C. arizonica, C. lusitanica, and C. sempervirens were 37.7%, 36.7%, and 38.7%, respectively, with kappa numbers of 32.0, 31.6, and 28.7, respectively; the yield values were 40.8% and 42.8%, with kappa numbers of 23.4 and 21.0, for P. pinaster and P. sylvestris, respectively. The cypress species are clearly different from pine in relation to wood pulping behavior. Among the cypress, C. sempervirens provided the best pulping results |
|---|---|
| Autores principais: | Santos, António J. |
| Outros Autores: | Anjos, O.; Morais, Maria Cristina; Diogo, Maria da Graça; Simões, Rogério; Pereira, Helena |
| Assunto: | Cupressus Cupressus arizonica Cupressus lusitanica Cupressus sempervirens Pulping potential Extractives Lignin |
| Ano: | 2014 |
| País: | Portugal |
| Tipo de documento: | artigo |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | Instituto Politécnico de Castelo Branco |
| Idioma: | inglês |
| Origem: | Repositório Científico do Instituto Politécnico de Castelo Branco |
| _version_ | 1864888124706914304 |
|---|---|
| author | Santos, António J. |
| author2 | Anjos, O. Morais, Maria Cristina Diogo, Maria da Graça Simões, Rogério Pereira, Helena |
| author2_role | author author author author author |
| author_facet | Santos, António J. Anjos, O. Morais, Maria Cristina Diogo, Maria da Graça Simões, Rogério Pereira, Helena |
| author_role | author |
| contributor_name_str_mv | Repositório Científico do Instituto Politécnico de Castelo Branco |
| country_str | PT |
| creators_json_str | [{\"Person.name\":\"Santos, António J.\"},{\"Person.name\":\"Anjos, O.\",\"Person.identifier.orcid\":\"0000-0003-0267-3252\"},{\"Person.name\":\"Morais, Maria Cristina\"},{\"Person.name\":\"Diogo, Maria da Graça\"},{\"Person.name\":\"Simões, Rogério\"},{\"Person.name\":\"Pereira, Helena\"}] |
| datacite.contributors.contributor.contributorName.fl_str_mv | Repositório Científico do Instituto Politécnico de Castelo Branco |
| datacite.creators.creator.creatorName.fl_str_mv | Santos, António J. Anjos, O. Morais, Maria Cristina Diogo, Maria da Graça Simões, Rogério Pereira, Helena |
| datacite.date.Accepted.fl_str_mv | 2014-01-01T00:00:00Z |
| datacite.date.available.fl_str_mv | 2014-09-25T16:28:28Z |
| datacite.date.embargoed.fl_str_mv | 2014-09-25T16:28:28Z |
| datacite.rights.fl_str_mv | http://purl.org/coar/access_right/c_abf2 |
| datacite.subjects.subject.fl_str_mv | Cupressus Cupressus arizonica Cupressus lusitanica Cupressus sempervirens Pulping potential Extractives Lignin |
| datacite.titles.title.fl_str_mv | Characterization of cypress wood for kraft pulp production |
| dc.contributor.none.fl_str_mv | Repositório Científico do Instituto Politécnico de Castelo Branco |
| dc.creator.none.fl_str_mv | Santos, António J. Anjos, O. Morais, Maria Cristina Diogo, Maria da Graça Simões, Rogério Pereira, Helena |
| dc.date.Accepted.fl_str_mv | 2014-01-01T00:00:00Z |
| dc.date.available.fl_str_mv | 2014-09-25T16:28:28Z |
| dc.date.embargoed.fl_str_mv | 2014-09-25T16:28:28Z |
| dc.format.none.fl_str_mv | application/pdf |
| dc.identifier.none.fl_str_mv | http://hdl.handle.net/10400.11/2538 |
| dc.language.none.fl_str_mv | eng |
| dc.rights.none.fl_str_mv | http://purl.org/coar/access_right/c_abf2 |
| dc.subject.none.fl_str_mv | Cupressus Cupressus arizonica Cupressus lusitanica Cupressus sempervirens Pulping potential Extractives Lignin |
| dc.title.fl_str_mv | Characterization of cypress wood for kraft pulp production |
| dc.type.none.fl_str_mv | http://purl.org/coar/resource_type/c_6501 |
| description | Wood samples of Cupressus arizonica, C. lusitanica, and C. sempervirens were evaluated for chemical, anatomical, and pulp characteristics as raw material for pulp production. Two 17-year-old trees per species were harvested, and wood samples were taken at a height of 2 m. Wood chips from Pinus pinaster (Portugal) and P. sylvestris (Finland) were used as references. C. arizonica differed from C. lusitanica and C. sempervirens with significantly lower (p < 0.05) tracheid diameter and wall thickness in the earlywood. The total extractives contents were 3.9%, 3.3%, and 2.5% for C. lusitanica, C. sempervirens, and C. arizonica, respectively, lower than the 5.1% for P. pinaster and 4.5% for P. sylvestris. Klason lignin content ranged from 33.0 to 35.6%, higher than the 28.0 to 28.7% for the pinewoods. The kraft pulp yields for C. arizonica, C. lusitanica, and C. sempervirens were 37.7%, 36.7%, and 38.7%, respectively, with kappa numbers of 32.0, 31.6, and 28.7, respectively; the yield values were 40.8% and 42.8%, with kappa numbers of 23.4 and 21.0, for P. pinaster and P. sylvestris, respectively. The cypress species are clearly different from pine in relation to wood pulping behavior. Among the cypress, C. sempervirens provided the best pulping results |
| dirty | 0 |
| eu_rights_str_mv | openAccess |
| format | article |
| fulltext.url.fl_str_mv | https://repositorio.ipcb.pt/bitstreams/72afdb64-0bdc-4fa6-bb0d-a22364e52e05/download |
| id | ripcb_ff6e9494eebb3e752d59080dd6cbc0e5 |
| identifier.url.fl_str_mv | http://hdl.handle.net/10400.11/2538 |
| instacron_str | ipcb |
| institution | Instituto Politécnico de Castelo Branco |
| instname_str | Instituto Politécnico de Castelo Branco |
| language | eng |
| network_acronym_str | ripcb |
| network_name_str | Repositório Científico do Instituto Politécnico de Castelo Branco |
| oai_identifier_str | oai:repositorio.ipcb.pt:10400.11/2538 |
| organization_str_mv | urn:organizationAcronym:ipcb |
| person_str_mv | Santos, António J. Anjos, O. Anjos, O. https://www.ciencia-id.pt/C21D-D8C7-3037 C21D-D8C7-3037 http://orcid.org/0000-0003-0267-3252 0000-0003-0267-3252 Morais, Maria Cristina Diogo, Maria da Graça Simões, Rogério Pereira, Helena |
| publishDate | 2014 |
| reponame_str | Repositório Científico do Instituto Politécnico de Castelo Branco |
| repository_id_str | urn:repositoryAcronym:ripcb |
| service_str_mv | urn:repositoryAcronym:ripcb |
| spelling | engporWood samples of Cupressus arizonica, C. lusitanica, and C. sempervirens were evaluated for chemical, anatomical, and pulp characteristics as raw material for pulp production. Two 17-year-old trees per species were harvested, and wood samples were taken at a height of 2 m. Wood chips from Pinus pinaster (Portugal) and P. sylvestris (Finland) were used as references. C. arizonica differed from C. lusitanica and C. sempervirens with significantly lower (p < 0.05) tracheid diameter and wall thickness in the earlywood. The total extractives contents were 3.9%, 3.3%, and 2.5% for C. lusitanica, C. sempervirens, and C. arizonica, respectively, lower than the 5.1% for P. pinaster and 4.5% for P. sylvestris. Klason lignin content ranged from 33.0 to 35.6%, higher than the 28.0 to 28.7% for the pinewoods. The kraft pulp yields for C. arizonica, C. lusitanica, and C. sempervirens were 37.7%, 36.7%, and 38.7%, respectively, with kappa numbers of 32.0, 31.6, and 28.7, respectively; the yield values were 40.8% and 42.8%, with kappa numbers of 23.4 and 21.0, for P. pinaster and P. sylvestris, respectively. The cypress species are clearly different from pine in relation to wood pulping behavior. Among the cypress, C. sempervirens provided the best pulping resultsapplication/pdfporCharacterization of cypress wood for kraft pulp productionSantos, António J.PersonalAnjos, O.DSpacehttp://dspace.org/items/df9191ae-0bbb-4bb8-bbdc-0f79c7365876DSpacehttp://dspace.org/items/df9191ae-0bbb-4bb8-bbdc-0f79c7365876AnjosOféliaCiência IDhttps://www.ciencia-id.ptC21D-D8C7-3037ORCIDhttp://orcid.org0000-0003-0267-3252Researcher IDhttps://www.researcherid.comG-2808-2012Scopus Author IDhttps://www.scopus.com23395659700Morais, Maria CristinaDiogo, Maria da GraçaSimões, RogérioPereira, HelenaHostingInstitutionOrganizationalRepositório Científico do Instituto Politécnico de Castelo Brancoe-mailmailto:repositorio@ipcb.ptrepositorio@ipcb.ptISSNIsPartOf1930-21262014-09-25T16:28:28Z20142014-01-01T00:00:00ZHandlehttp://hdl.handle.net/10400.11/2538http://purl.org/coar/access_right/c_abf2open accessCupressusCupressus arizonicaCupressus lusitanicaCupressus sempervirensPulping potentialExtractivesLignin515898 bytesliteraturehttp://purl.org/coar/resource_type/c_6501journal articlehttp://purl.org/coar/access_right/c_abf2application/pdffulltexthttps://repositorio.ipcb.pt/bitstreams/72afdb64-0bdc-4fa6-bb0d-a22364e52e05/downloadBioresources9(3)47644774 |
| spellingShingle | Characterization of cypress wood for kraft pulp production Santos, António J. Cupressus Cupressus arizonica Cupressus lusitanica Cupressus sempervirens Pulping potential Extractives Lignin |
| subject.fl_str_mv | Cupressus Cupressus arizonica Cupressus lusitanica Cupressus sempervirens Pulping potential Extractives Lignin |
| title | Characterization of cypress wood for kraft pulp production |
| title_full | Characterization of cypress wood for kraft pulp production |
| title_fullStr | Characterization of cypress wood for kraft pulp production |
| title_full_unstemmed | Characterization of cypress wood for kraft pulp production |
| title_short | Characterization of cypress wood for kraft pulp production |
| title_sort | Characterization of cypress wood for kraft pulp production |
| topic | Cupressus Cupressus arizonica Cupressus lusitanica Cupressus sempervirens Pulping potential Extractives Lignin |
| topic_facet | Cupressus Cupressus arizonica Cupressus lusitanica Cupressus sempervirens Pulping potential Extractives Lignin |
| url | http://hdl.handle.net/10400.11/2538 |
| visible | 1 |