Catalytic Upstream Biorefining through Hydrogen Transfer Reactions: Understanding the Process from the Pulp Perspective.
Identifieur interne : 001980 ( Main/Exploration ); précédent : 001979; suivant : 001981Catalytic Upstream Biorefining through Hydrogen Transfer Reactions: Understanding the Process from the Pulp Perspective.
Auteurs : Paola Ferrini [Allemagne] ; Camila A. Rezende [Brésil] ; Roberto Rinaldi [Royaume-Uni]Source :
- ChemSusChem [ 1864-564X ] ; 2016.
Descripteurs français
- KwdFr :
- MESH :
- composition chimique : Hydrogène, Lignine.
- enzymologie : Trichoderma.
- métabolisme : Cellulase.
- Hydrogénation, Hydrolyse, Polymérisation.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Hydrogen, Lignin.
- chemical , metabolism : Cellulase.
- enzymology : Trichoderma.
- Hydrogenation, Hydrolysis, Polymerization.
Abstract
Catalytic upstream biorefining (CUB) encompasses processes for plant biomass deconstruction through the early-stage conversion of lignin by the action of a hydrogenation catalyst. CUB processes produce lignin as an extensively depolymerised product (i.e., a viscous lignin oil) and render highly delignified pulps. In this report, we examine CUB from the pulp perspective. Notably, Raney Ni plays an indirect role in the processes that occur within the lignocellulose matrix. As there are negligible points of contact between the poplar wood chips and Raney Ni, the catalyst action is limited to the species leached from the matrix into the liquor. Nevertheless, the substantial changes in the liquor composition (through the decomposition of carboxylic acids and H-transfer reductive processes on the lignin fragments) have significant implications for the pulp composition, degree of polymerisation and morphology. Compared with organosolv pulps, CUB pulps show higher xylan retention, higher delignification, and higher polymerisation degree. Moreover, the correlation between these properties and the performance of the enzymatic hydrolyses of CUB and organosolv pulps reveals that the high susceptibility of CUB pulps is mostly caused by their lower residual lignin contents.
DOI: 10.1002/cssc.201601121
PubMed: 27767259
Affiliations:
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Rezende</name><affiliation wicri:level="2"><nlm:affiliation>Institute of Chemistry, State University of Campinas, P.O. Box 6154, 13083-970, Campinas, SP, Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Institute of Chemistry, State University of Campinas, P.O. 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CUB processes produce lignin as an extensively depolymerised product (i.e., a viscous lignin oil) and render highly delignified pulps. In this report, we examine CUB from the pulp perspective. Notably, Raney Ni plays an indirect role in the processes that occur within the lignocellulose matrix. As there are negligible points of contact between the poplar wood chips and Raney Ni, the catalyst action is limited to the species leached from the matrix into the liquor. Nevertheless, the substantial changes in the liquor composition (through the decomposition of carboxylic acids and H-transfer reductive processes on the lignin fragments) have significant implications for the pulp composition, degree of polymerisation and morphology. Compared with organosolv pulps, CUB pulps show higher xylan retention, higher delignification, and higher polymerisation degree. Moreover, the correlation between these properties and the performance of the enzymatic hydrolyses of CUB and organosolv pulps reveals that the high susceptibility of CUB pulps is mostly caused by their lower residual lignin contents.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">27767259</PMID><DateCompleted><Year>2017</Year><Month>06</Month><Day>21</Day></DateCompleted><DateRevised><Year>2018</Year><Month>01</Month><Day>17</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1864-564X</ISSN><JournalIssue CitedMedium="Internet"><Volume>9</Volume><Issue>22</Issue><PubDate><Year>2016</Year><Month>11</Month><Day>23</Day></PubDate></JournalIssue><Title>ChemSusChem</Title><ISOAbbreviation>ChemSusChem</ISOAbbreviation></Journal><ArticleTitle>Catalytic Upstream Biorefining through Hydrogen Transfer Reactions: Understanding the Process from the Pulp Perspective.</ArticleTitle><Pagination><MedlinePgn>3171-3180</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1002/cssc.201601121</ELocationID><Abstract><AbstractText>Catalytic upstream biorefining (CUB) encompasses processes for plant biomass deconstruction through the early-stage conversion of lignin by the action of a hydrogenation catalyst. CUB processes produce lignin as an extensively depolymerised product (i.e., a viscous lignin oil) and render highly delignified pulps. In this report, we examine CUB from the pulp perspective. Notably, Raney Ni plays an indirect role in the processes that occur within the lignocellulose matrix. As there are negligible points of contact between the poplar wood chips and Raney Ni, the catalyst action is limited to the species leached from the matrix into the liquor. Nevertheless, the substantial changes in the liquor composition (through the decomposition of carboxylic acids and H-transfer reductive processes on the lignin fragments) have significant implications for the pulp composition, degree of polymerisation and morphology. Compared with organosolv pulps, CUB pulps show higher xylan retention, higher delignification, and higher polymerisation degree. Moreover, the correlation between these properties and the performance of the enzymatic hydrolyses of CUB and organosolv pulps reveals that the high susceptibility of CUB pulps is mostly caused by their lower residual lignin contents.</AbstractText><CopyrightInformation>© 2016 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ferrini</LastName><ForeName>Paola</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rezende</LastName><ForeName>Camila A</ForeName><Initials>CA</Initials><Identifier Source="ORCID">0000-0002-2072-1361</Identifier><AffiliationInfo><Affiliation>Institute of Chemistry, State University of Campinas, P.O. Box 6154, 13083-970, Campinas, SP, Brazil.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rinaldi</LastName><ForeName>Roberto</ForeName><Initials>R</Initials><Identifier Source="ORCID">0000-0002-7175-4972</Identifier><AffiliationInfo><Affiliation>Department of Chemical Engineering, Imperial College London, South Kensington Campus, SW7 2AZ, London, United Kingdom.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>10</Month><Day>21</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>ChemSusChem</MedlineTA><NlmUniqueID>101319536</NlmUniqueID><ISSNLinking>1864-5631</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>7YNJ3PO35Z</RegistryNumber><NameOfSubstance UI="D006859">Hydrogen</NameOfSubstance></Chemical><Chemical><RegistryNumber>9005-53-2</RegistryNumber><NameOfSubstance UI="D008031">Lignin</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 3.2.1.4</RegistryNumber><NameOfSubstance UI="D002480">Cellulase</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002480" MajorTopicYN="N">Cellulase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006859" MajorTopicYN="N">Hydrogen</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006865" MajorTopicYN="N">Hydrogenation</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="D058105" MajorTopicYN="N">Polymerization</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014242" MajorTopicYN="N">Trichoderma</DescriptorName><QualifierName UI="Q000201" MajorTopicYN="N">enzymology</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">biomass</Keyword><Keyword MajorTopicYN="Y">carbohydrates</Keyword><Keyword MajorTopicYN="Y">enzyme catalysis</Keyword><Keyword MajorTopicYN="Y">heterogeneous catalysis</Keyword><Keyword MajorTopicYN="Y">nickel</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>08</Month><Day>15</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>10</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2017</Year><Month>6</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>10</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27767259</ArticleId><ArticleId IdType="doi">10.1002/cssc.201601121</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Allemagne</li><li>Brésil</li><li>Royaume-Uni</li></country><region><li>Angleterre</li><li>Grand Londres</li><li>État de São Paulo</li></region><settlement><li>Londres</li></settlement></list><tree><country name="Allemagne"><noRegion><name sortKey="Ferrini, Paola" sort="Ferrini, Paola" uniqKey="Ferrini P" first="Paola" last="Ferrini">Paola Ferrini</name></noRegion></country><country name="Brésil"><region name="État de São Paulo"><name sortKey="Rezende, Camila A" sort="Rezende, Camila A" uniqKey="Rezende C" first="Camila A" last="Rezende">Camila A. Rezende</name></region></country><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Rinaldi, Roberto" sort="Rinaldi, Roberto" uniqKey="Rinaldi R" first="Roberto" last="Rinaldi">Roberto Rinaldi</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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