Improved diffusivity of NaOH solution in autohydrolyzed poplar sapwood chips for chemi-mechanical pulp production.
Identifieur interne : 000E27 ( Main/Exploration ); précédent : 000E26; suivant : 000E28Improved diffusivity of NaOH solution in autohydrolyzed poplar sapwood chips for chemi-mechanical pulp production.
Auteurs : Honglei Zhang [République populaire de Chine] ; Qingxi Hou [République populaire de Chine] ; Wei Liu [République populaire de Chine] ; Zhen Yue [République populaire de Chine] ; Xiaoya Jiang [République populaire de Chine] ; Xixi Ma [République populaire de Chine]Source :
- Bioresource technology [ 1873-2976 ] ; 2018.
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Abstract
This work investigated the changes in the physical structure of autohydrolyzed poplar sapwood chips and the effect on the subsequent alkali liquor diffusion properties for chemi-mechanical pulping (CMP). An alkali impregnation process was conducted by using the autohydrolyzed poplar sapwood with different levels of autohydrolysis intensity. The results showed that the volume porosity, water constraint capacity, and saturated water absorption of the autohydrolyzed poplar sapwood chips increased. Also, the effective capillary cross-sectional area (ECCSA) in the radial direction and the diffusion coefficients of NaOH solution in both the radial and axial directions all increased. Autohydrolysis pretreatment enhanced the alkali liquor diffusion properties in poplar sapwood chips, and the diffusion coefficient was increased more greatly in the radial direction than that in the axial direction.
DOI: 10.1016/j.biortech.2018.03.020
PubMed: 29536875
Affiliations:
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Electronic address: qingxihou@tust.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Liu, Wei" sort="Liu, Wei" uniqKey="Liu W" first="Wei" last="Liu">Wei Liu</name><affiliation wicri:level="1"><nlm:affiliation>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457, PR China; State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, PR China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457, PR China; State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640</wicri:regionArea><placeName><settlement type="city">Jiangmen</settlement><region type="province">Guangdong</region></placeName></affiliation></author><author><name sortKey="Yue, Zhen" sort="Yue, Zhen" uniqKey="Yue Z" first="Zhen" last="Yue">Zhen Yue</name><affiliation wicri:level="1"><nlm:affiliation>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457, PR China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Jiang, Xiaoya" sort="Jiang, Xiaoya" uniqKey="Jiang X" first="Xiaoya" last="Jiang">Xiaoya Jiang</name><affiliation wicri:level="1"><nlm:affiliation>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457, PR China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Ma, Xixi" sort="Ma, Xixi" uniqKey="Ma X" first="Xixi" last="Ma">Xixi Ma</name><affiliation wicri:level="1"><nlm:affiliation>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457, PR China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author></analytic><series><title level="j">Bioresource technology</title><idno type="eISSN">1873-2976</idno><imprint><date when="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alkalies (MeSH)</term><term>Diffusion (MeSH)</term><term>Populus (MeSH)</term><term>Water (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Alcalis (MeSH)</term><term>Diffusion (MeSH)</term><term>Eau (MeSH)</term><term>Populus (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Alkalies</term><term>Water</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Diffusion</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Alcalis</term><term>Diffusion</term><term>Eau</term><term>Populus</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This work investigated the changes in the physical structure of autohydrolyzed poplar sapwood chips and the effect on the subsequent alkali liquor diffusion properties for chemi-mechanical pulping (CMP). An alkali impregnation process was conducted by using the autohydrolyzed poplar sapwood with different levels of autohydrolysis intensity. The results showed that the volume porosity, water constraint capacity, and saturated water absorption of the autohydrolyzed poplar sapwood chips increased. Also, the effective capillary cross-sectional area (ECCSA) in the radial direction and the diffusion coefficients of NaOH solution in both the radial and axial directions all increased. Autohydrolysis pretreatment enhanced the alkali liquor diffusion properties in poplar sapwood chips, and the diffusion coefficient was increased more greatly in the radial direction than that in the axial direction.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">29536875</PMID><DateCompleted><Year>2018</Year><Month>05</Month><Day>30</Day></DateCompleted><DateRevised><Year>2018</Year><Month>12</Month><Day>02</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-2976</ISSN><JournalIssue CitedMedium="Internet"><Volume>259</Volume><PubDate><Year>2018</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Bioresource technology</Title><ISOAbbreviation>Bioresour Technol</ISOAbbreviation></Journal><ArticleTitle>Improved diffusivity of NaOH solution in autohydrolyzed poplar sapwood chips for chemi-mechanical pulp production.</ArticleTitle><Pagination><MedlinePgn>61-66</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0960-8524(18)30358-4</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.biortech.2018.03.020</ELocationID><Abstract><AbstractText>This work investigated the changes in the physical structure of autohydrolyzed poplar sapwood chips and the effect on the subsequent alkali liquor diffusion properties for chemi-mechanical pulping (CMP). An alkali impregnation process was conducted by using the autohydrolyzed poplar sapwood with different levels of autohydrolysis intensity. The results showed that the volume porosity, water constraint capacity, and saturated water absorption of the autohydrolyzed poplar sapwood chips increased. Also, the effective capillary cross-sectional area (ECCSA) in the radial direction and the diffusion coefficients of NaOH solution in both the radial and axial directions all increased. Autohydrolysis pretreatment enhanced the alkali liquor diffusion properties in poplar sapwood chips, and the diffusion coefficient was increased more greatly in the radial direction than that in the axial direction.</AbstractText><CopyrightInformation>Copyright © 2018 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Honglei</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hou</LastName><ForeName>Qingxi</ForeName><Initials>Q</Initials><AffiliationInfo><Affiliation>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457, PR China. Electronic address: qingxihou@tust.edu.cn.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Wei</ForeName><Initials>W</Initials><AffiliationInfo><Affiliation>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457, PR China; State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yue</LastName><ForeName>Zhen</ForeName><Initials>Z</Initials><AffiliationInfo><Affiliation>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Jiang</LastName><ForeName>Xiaoya</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ma</LastName><ForeName>Xixi</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin 300457, PR China.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2018</Year><Month>03</Month><Day>07</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Bioresour Technol</MedlineTA><NlmUniqueID>9889523</NlmUniqueID><ISSNLinking>0960-8524</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000468">Alkalies</NameOfSubstance></Chemical><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000468" MajorTopicYN="Y">Alkalies</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004058" MajorTopicYN="N">Diffusion</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="Y">Populus</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014867" MajorTopicYN="N">Water</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Autohydrolysis</Keyword><Keyword MajorTopicYN="N">Diffusion coefficient</Keyword><Keyword MajorTopicYN="N">Effective capillary cross-sectional area (ECCSA)</Keyword><Keyword MajorTopicYN="N">Poplar sapwood chips</Keyword><Keyword MajorTopicYN="N">Pore size distribution</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2018</Year><Month>01</Month><Day>14</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2018</Year><Month>03</Month><Day>04</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2018</Year><Month>03</Month><Day>05</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>3</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>5</Month><Day>31</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>3</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">29536875</ArticleId><ArticleId IdType="pii">S0960-8524(18)30358-4</ArticleId><ArticleId IdType="doi">10.1016/j.biortech.2018.03.020</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country><region><li>Guangdong</li></region><settlement><li>Jiangmen</li><li>Tianjin</li></settlement></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Zhang, Honglei" sort="Zhang, Honglei" uniqKey="Zhang H" first="Honglei" last="Zhang">Honglei Zhang</name></noRegion><name sortKey="Hou, Qingxi" sort="Hou, Qingxi" uniqKey="Hou Q" first="Qingxi" last="Hou">Qingxi Hou</name><name sortKey="Jiang, Xiaoya" sort="Jiang, Xiaoya" uniqKey="Jiang X" first="Xiaoya" last="Jiang">Xiaoya Jiang</name><name sortKey="Liu, Wei" sort="Liu, Wei" uniqKey="Liu W" first="Wei" last="Liu">Wei Liu</name><name sortKey="Ma, Xixi" sort="Ma, Xixi" uniqKey="Ma X" first="Xixi" last="Ma">Xixi Ma</name><name sortKey="Yue, Zhen" sort="Yue, Zhen" uniqKey="Yue Z" first="Zhen" last="Yue">Zhen Yue</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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