The influence of "thermal drying pretreatment" on enzymatic hydrolysis of cellulose and xylan in poplar fibers with high lignin content.
Identifieur interne : 000069 ( Main/Exploration ); précédent : 000068; suivant : 000070The influence of "thermal drying pretreatment" on enzymatic hydrolysis of cellulose and xylan in poplar fibers with high lignin content.
Auteurs : Wenxuan Mo [République populaire de Chine] ; Ke Ke [République populaire de Chine] ; Xiaoning Shen [République populaire de Chine] ; Bo Li [République populaire de Chine]Source :
- Carbohydrate polymers [ 1879-1344 ] ; 2020.
Descripteurs français
- KwdFr :
- MESH :
- composition chimique : Eau, Lignine, Xylanes.
- métabolisme : Populus.
- Dessiccation, Hydrolyse, Température.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Lignin, Water, Xylans.
- metabolism : Populus.
- Desiccation, Hydrolysis, Temperature.
Abstract
Thermal drying for lignocellulosic fibers is a common procedure in laboratories and factories, which isn't a pretreatment traditionally used to enhance cellulose conversion but inevitably occurs. This study investigated the effects of thermal drying conditions on the characteristics and enzymatic hydrolysis of lignocellulosic fiber granules with high lignin content. The results showed that fiber characteristics decreased linearly with the increase of temperature, which caused the linear reduction of enzymatic digestibility. Then, the increase of time caused the exponential decrease of fiber characteristics and enzymatic digestibility. Moreover, the reduction of initial water content obtained by centrifugation resulted in almost the same porosity and slightly increased water retention value (WRV) of fibers, which caused slight changes of lignocellulose digestibility. Finally, repeated drying and swelling led to complex changes in fiber characteristics, which caused fluctuations in enzymatic hydrolysis with a downward trend. This article will provide a reference for lignocellulose enzymatic hydrolysis.
DOI: 10.1016/j.carbpol.2019.115400
PubMed: 31635750
Affiliations:
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Electronic address: ppboli@scut.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, 381 Wushan Road, Guangzhou, 510640</wicri:regionArea><wicri:noRegion>510640</wicri:noRegion></affiliation></author></analytic><series><title level="j">Carbohydrate polymers</title><idno type="eISSN">1879-1344</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Desiccation (MeSH)</term><term>Hydrolysis (MeSH)</term><term>Lignin (chemistry)</term><term>Populus (metabolism)</term><term>Temperature (MeSH)</term><term>Water (chemistry)</term><term>Xylans (chemistry)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Dessiccation (MeSH)</term><term>Eau (composition chimique)</term><term>Hydrolyse (MeSH)</term><term>Lignine (composition chimique)</term><term>Populus (métabolisme)</term><term>Température (MeSH)</term><term>Xylanes (composition chimique)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Lignin</term><term>Water</term><term>Xylans</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Eau</term><term>Lignine</term><term>Xylanes</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Desiccation</term><term>Hydrolysis</term><term>Temperature</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Dessiccation</term><term>Hydrolyse</term><term>Température</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Thermal drying for lignocellulosic fibers is a common procedure in laboratories and factories, which isn't a pretreatment traditionally used to enhance cellulose conversion but inevitably occurs. This study investigated the effects of thermal drying conditions on the characteristics and enzymatic hydrolysis of lignocellulosic fiber granules with high lignin content. The results showed that fiber characteristics decreased linearly with the increase of temperature, which caused the linear reduction of enzymatic digestibility. Then, the increase of time caused the exponential decrease of fiber characteristics and enzymatic digestibility. Moreover, the reduction of initial water content obtained by centrifugation resulted in almost the same porosity and slightly increased water retention value (WRV) of fibers, which caused slight changes of lignocellulose digestibility. Finally, repeated drying and swelling led to complex changes in fiber characteristics, which caused fluctuations in enzymatic hydrolysis with a downward trend. This article will provide a reference for lignocellulose enzymatic hydrolysis.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">31635750</PMID><DateCompleted><Year>2020</Year><Month>02</Month><Day>21</Day></DateCompleted><DateRevised><Year>2020</Year><Month>02</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-1344</ISSN><JournalIssue CitedMedium="Internet"><Volume>228</Volume><PubDate><Year>2020</Year><Month>Jan</Month><Day>15</Day></PubDate></JournalIssue><Title>Carbohydrate polymers</Title><ISOAbbreviation>Carbohydr Polym</ISOAbbreviation></Journal><ArticleTitle>The influence of "thermal drying pretreatment" on enzymatic hydrolysis of cellulose and xylan in poplar fibers with high lignin content.</ArticleTitle><Pagination><MedlinePgn>115400</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0144-8617(19)31067-7</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.carbpol.2019.115400</ELocationID><Abstract><AbstractText>Thermal drying for lignocellulosic fibers is a common procedure in laboratories and factories, which isn't a pretreatment traditionally used to enhance cellulose conversion but inevitably occurs. This study investigated the effects of thermal drying conditions on the characteristics and enzymatic hydrolysis of lignocellulosic fiber granules with high lignin content. The results showed that fiber characteristics decreased linearly with the increase of temperature, which caused the linear reduction of enzymatic digestibility. Then, the increase of time caused the exponential decrease of fiber characteristics and enzymatic digestibility. Moreover, the reduction of initial water content obtained by centrifugation resulted in almost the same porosity and slightly increased water retention value (WRV) of fibers, which caused slight changes of lignocellulose digestibility. Finally, repeated drying and swelling led to complex changes in fiber characteristics, which caused fluctuations in enzymatic hydrolysis with a downward trend. This article will provide a reference for lignocellulose enzymatic hydrolysis.</AbstractText><CopyrightInformation>Copyright © 2019 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Mo</LastName><ForeName>Wenxuan</ForeName><Initials>W</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, 381 Wushan Road, Guangzhou, 510640, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ke</LastName><ForeName>Ke</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, 381 Wushan Road, Guangzhou, 510640, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Shen</LastName><ForeName>Xiaoning</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, 381 Wushan Road, Guangzhou, 510640, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Bo</ForeName><Initials>B</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, 381 Wushan Road, Guangzhou, 510640, China. Electronic address: ppboli@scut.edu.cn.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2019</Year><Month>09</Month><Day>30</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Carbohydr Polym</MedlineTA><NlmUniqueID>8307156</NlmUniqueID><ISSNLinking>0144-8617</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D014990">Xylans</NameOfSubstance></Chemical><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical><Chemical><RegistryNumber>11132-73-3</RegistryNumber><NameOfSubstance UI="C036909">lignocellulose</NameOfSubstance></Chemical><Chemical><RegistryNumber>9005-53-2</RegistryNumber><NameOfSubstance UI="D008031">Lignin</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D003890" MajorTopicYN="N">Desiccation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006868" MajorTopicYN="N">Hydrolysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008031" MajorTopicYN="N">Lignin</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013696" MajorTopicYN="N">Temperature</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014867" MajorTopicYN="N">Water</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014990" MajorTopicYN="N">Xylans</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Enzymatic hydrolysis</Keyword><Keyword MajorTopicYN="N">Initial water content</Keyword><Keyword MajorTopicYN="N">Lignocellulose</Keyword><Keyword MajorTopicYN="N">Number of times dried</Keyword><Keyword MajorTopicYN="N">Thermal drying pretreatment</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>06</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2019</Year><Month>09</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2019</Year><Month>09</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>10</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>10</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>2</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">31635750</ArticleId><ArticleId IdType="pii">S0144-8617(19)31067-7</ArticleId><ArticleId IdType="doi">10.1016/j.carbpol.2019.115400</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Mo, Wenxuan" sort="Mo, Wenxuan" uniqKey="Mo W" first="Wenxuan" last="Mo">Wenxuan Mo</name></noRegion><name sortKey="Ke, Ke" sort="Ke, Ke" uniqKey="Ke K" first="Ke" last="Ke">Ke Ke</name><name sortKey="Li, Bo" sort="Li, Bo" uniqKey="Li B" first="Bo" last="Li">Bo Li</name><name sortKey="Shen, Xiaoning" sort="Shen, Xiaoning" uniqKey="Shen X" first="Xiaoning" last="Shen">Xiaoning Shen</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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