Isolation of high quality lignin as a by-product from ammonia percolation pretreatment of poplar wood.
Identifieur interne : 002153 ( Main/Exploration ); précédent : 002152; suivant : 002154Isolation of high quality lignin as a by-product from ammonia percolation pretreatment of poplar wood.
Auteurs : Florent P. Bouxin [Royaume-Uni] ; S. David Jackson [Royaume-Uni] ; Michael C. Jarvis [Royaume-Uni]Source :
- Bioresource technology [ 1873-2976 ] ; 2014.
Descripteurs français
- KwdFr :
- Ammoniac (pharmacologie), Azote (métabolisme), Biotechnologie (méthodes), Bois (effets des médicaments et des substances chimiques), Lignine (isolement et purification), Masse moléculaire (MeSH), Populus (effets des médicaments et des substances chimiques), Techniques de culture cellulaire en batch (MeSH), Température (MeSH), Xylanes (isolement et purification).
- MESH :
- effets des médicaments et des substances chimiques : Bois, Populus.
- isolement et purification : Lignine, Xylanes.
- métabolisme : Azote.
- méthodes : Biotechnologie.
- pharmacologie : Ammoniac.
- Masse moléculaire, Techniques de culture cellulaire en batch, Température.
English descriptors
- KwdEn :
- MESH :
- chemical , isolation & purification : Lignin, Xylans.
- chemical , metabolism : Nitrogen.
- chemical , pharmacology : Ammonia.
- drug effects : Populus, Wood.
- methods : Biotechnology.
- Batch Cell Culture Techniques, Molecular Weight, Temperature.
Abstract
A two-step process combining percolation-mode ammonia pretreatment of poplar sawdust with mild organosolv purification of the extracted lignin produced high quality, high purity lignin in up to 31% yield and 50% recovery. The uncondensed fraction of the isolated lignin was up to 34%, close to that the native lignin (40%). Less lignin was recovered after pretreatment in batch mode, apparently due to condensation during the longer residence time of the solubilised lignin at elevated temperature. The lignin recovery was directly correlated with its molecular weight and its nitrogen content. Low nitrogen incorporation, observed at high ammonia concentration, may be explained by limited homolytic cleavage of β-O-4 bonds. Ammonia concentrations from 15% to 25% (w/w) gave similar results in terms of lignin structure, yield and recovery.
DOI: 10.1016/j.biortech.2014.03.082
PubMed: 24755321
Affiliations:
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David Jackson</name><affiliation wicri:level="4"><nlm:affiliation>School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom.</nlm:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow G12 8QQ</wicri:regionArea><orgName type="university">Université de Glasgow</orgName><placeName><settlement type="city">Glasgow</settlement><region type="country">Écosse</region></placeName></affiliation></author><author><name sortKey="Jarvis, Michael C" sort="Jarvis, Michael C" uniqKey="Jarvis M" first="Michael C" last="Jarvis">Michael C. 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Bouxin</name><affiliation wicri:level="4"><nlm:affiliation>School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom. Electronic address: flobou@chem.gla.ac.uk.</nlm:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow G12 8QQ</wicri:regionArea><orgName type="university">Université de Glasgow</orgName><placeName><settlement type="city">Glasgow</settlement><region type="country">Écosse</region></placeName></affiliation></author><author><name sortKey="David Jackson, S" sort="David Jackson, S" uniqKey="David Jackson S" first="S" last="David Jackson">S. 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Jarvis</name><affiliation wicri:level="4"><nlm:affiliation>School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom.</nlm:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow G12 8QQ</wicri:regionArea><orgName type="university">Université de Glasgow</orgName><placeName><settlement type="city">Glasgow</settlement><region type="country">Écosse</region></placeName></affiliation></author></analytic><series><title level="j">Bioresource technology</title><idno type="eISSN">1873-2976</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ammonia (pharmacology)</term><term>Batch Cell Culture Techniques (MeSH)</term><term>Biotechnology (methods)</term><term>Lignin (isolation & purification)</term><term>Molecular Weight (MeSH)</term><term>Nitrogen (metabolism)</term><term>Populus (drug effects)</term><term>Temperature (MeSH)</term><term>Wood (drug effects)</term><term>Xylans (isolation & purification)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Ammoniac (pharmacologie)</term><term>Azote (métabolisme)</term><term>Biotechnologie (méthodes)</term><term>Bois (effets des médicaments et des substances chimiques)</term><term>Lignine (isolement et purification)</term><term>Masse moléculaire (MeSH)</term><term>Populus (effets des médicaments et des substances chimiques)</term><term>Techniques de culture cellulaire en batch (MeSH)</term><term>Température (MeSH)</term><term>Xylanes (isolement et purification)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="isolation & purification" xml:lang="en"><term>Lignin</term><term>Xylans</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Nitrogen</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Ammonia</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Populus</term><term>Wood</term></keywords><keywords scheme="MESH" qualifier="effets des médicaments et des substances chimiques" xml:lang="fr"><term>Bois</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Lignine</term><term>Xylanes</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Biotechnology</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Azote</term></keywords><keywords scheme="MESH" qualifier="méthodes" xml:lang="fr"><term>Biotechnologie</term></keywords><keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Ammoniac</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Batch Cell Culture Techniques</term><term>Molecular Weight</term><term>Temperature</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Masse moléculaire</term><term>Techniques de culture cellulaire en batch</term><term>Température</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A two-step process combining percolation-mode ammonia pretreatment of poplar sawdust with mild organosolv purification of the extracted lignin produced high quality, high purity lignin in up to 31% yield and 50% recovery. The uncondensed fraction of the isolated lignin was up to 34%, close to that the native lignin (40%). Less lignin was recovered after pretreatment in batch mode, apparently due to condensation during the longer residence time of the solubilised lignin at elevated temperature. The lignin recovery was directly correlated with its molecular weight and its nitrogen content. Low nitrogen incorporation, observed at high ammonia concentration, may be explained by limited homolytic cleavage of β-O-4 bonds. Ammonia concentrations from 15% to 25% (w/w) gave similar results in terms of lignin structure, yield and recovery. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24755321</PMID><DateCompleted><Year>2014</Year><Month>12</Month><Day>28</Day></DateCompleted><DateRevised><Year>2014</Year><Month>05</Month><Day>12</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-2976</ISSN><JournalIssue CitedMedium="Internet"><Volume>162</Volume><PubDate><Year>2014</Year><Month>Jun</Month></PubDate></JournalIssue><Title>Bioresource technology</Title><ISOAbbreviation>Bioresour Technol</ISOAbbreviation></Journal><ArticleTitle>Isolation of high quality lignin as a by-product from ammonia percolation pretreatment of poplar wood.</ArticleTitle><Pagination><MedlinePgn>236-42</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.biortech.2014.03.082</ELocationID><ELocationID EIdType="pii" ValidYN="Y">S0960-8524(14)00387-3</ELocationID><Abstract><AbstractText>A two-step process combining percolation-mode ammonia pretreatment of poplar sawdust with mild organosolv purification of the extracted lignin produced high quality, high purity lignin in up to 31% yield and 50% recovery. The uncondensed fraction of the isolated lignin was up to 34%, close to that the native lignin (40%). Less lignin was recovered after pretreatment in batch mode, apparently due to condensation during the longer residence time of the solubilised lignin at elevated temperature. The lignin recovery was directly correlated with its molecular weight and its nitrogen content. Low nitrogen incorporation, observed at high ammonia concentration, may be explained by limited homolytic cleavage of β-O-4 bonds. Ammonia concentrations from 15% to 25% (w/w) gave similar results in terms of lignin structure, yield and recovery. </AbstractText><CopyrightInformation>Copyright © 2014 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Bouxin</LastName><ForeName>Florent P</ForeName><Initials>FP</Initials><AffiliationInfo><Affiliation>School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom. Electronic address: flobou@chem.gla.ac.uk.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>David Jackson</LastName><ForeName>S</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Jarvis</LastName><ForeName>Michael C</ForeName><Initials>MC</Initials><AffiliationInfo><Affiliation>School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><Agency>Biotechnology and Biological Sciences Research Council</Agency><Country>United Kingdom</Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. 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MajorTopicYN="Y">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D061249" MajorTopicYN="N">Batch Cell Culture Techniques</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001709" MajorTopicYN="N">Biotechnology</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008031" MajorTopicYN="N">Lignin</DescriptorName><QualifierName UI="Q000302" MajorTopicYN="Y">isolation & purification</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008970" MajorTopicYN="N">Molecular Weight</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013696" MajorTopicYN="N">Temperature</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014934" MajorTopicYN="N">Wood</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014990" MajorTopicYN="N">Xylans</DescriptorName><QualifierName UI="Q000302" MajorTopicYN="N">isolation & purification</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Ammonia percolation</Keyword><Keyword MajorTopicYN="N">Lignin</Keyword><Keyword MajorTopicYN="N">Nitrogen content</Keyword><Keyword MajorTopicYN="N">Poplar</Keyword><Keyword MajorTopicYN="N">Uncondensed fraction</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2014</Year><Month>01</Month><Day>29</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2014</Year><Month>03</Month><Day>12</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2014</Year><Month>03</Month><Day>16</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>4</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>4</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>12</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24755321</ArticleId><ArticleId IdType="pii">S0960-8524(14)00387-3</ArticleId><ArticleId IdType="doi">10.1016/j.biortech.2014.03.082</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Royaume-Uni</li></country><region><li>Écosse</li></region><settlement><li>Glasgow</li></settlement><orgName><li>Université de Glasgow</li></orgName></list><tree><country name="Royaume-Uni"><region name="Écosse"><name sortKey="Bouxin, Florent P" sort="Bouxin, Florent P" uniqKey="Bouxin F" first="Florent P" last="Bouxin">Florent P. Bouxin</name></region><name sortKey="David Jackson, S" sort="David Jackson, S" uniqKey="David Jackson S" first="S" last="David Jackson">S. David Jackson</name><name sortKey="Jarvis, Michael C" sort="Jarvis, Michael C" uniqKey="Jarvis M" first="Michael C" last="Jarvis">Michael C. Jarvis</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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