Enzymatic treatment improves fast pyrolysis product selectivity of softwood and hardwood lignin.
Identifieur interne : 000424 ( Main/Exploration ); précédent : 000423; suivant : 000425Enzymatic treatment improves fast pyrolysis product selectivity of softwood and hardwood lignin.
Auteurs : Lei Wang [République populaire de Chine] ; Haoxiang Ni [République populaire de Chine] ; Jialong Zhang [République populaire de Chine] ; Qipeng Shi [République populaire de Chine] ; Ran Zhang [République populaire de Chine] ; Hongbo Yu [République populaire de Chine] ; Mengjie Li [République populaire de Chine]Source :
- The Science of the total environment [ 1879-1026 ] ; 2020.
Descripteurs français
- KwdFr :
- MESH :
- métabolisme : Lignine.
- Biomasse, Ginkgo biloba, Populus, Pyrolyse, Température.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Lignin.
- Biomass, Ginkgo biloba, Populus, Pyrolysis, Temperature.
Abstract
Fast pyrolysis of lignin is still struggling in efficiency and scalable utilization. The low product selectivity thereby represents one of the most challenging issues. White-rot fungi have been widely used in bio-pretreatment of lignocellulosic biomass, where ligninolytic enzymes have been evidenced to modify lignin structures and enhance bio-refining efficiency. We thus treated lignin from both softwood (ginkgo) and hardwood (poplar) with enzymatic cocktail from white-rot fungus for fast pyrolysis. Both ginkgo and poplar lignin had much improved product selectivity at lower temperature after enzymatic modification, in particular, the 2-methoxy-phenol production from ginkgo lignin. Besides the improved product selectivity, the residue bio-char from pyrolysis had much improved surface area with more porous structures. Mechanistic study showed that the improvement of lignin pyrolysis products might attribute to demethoxylation and interunit linkage cleavage of lignin during enzymatic treatment. All these results highlighted that the product selectivity and bio-char performances have been synergistically improved by enzymatic treatment, which could thus pave a new way for enhancing fast pyrolysis efficiency. Overall, using softwood and hardwood lignin, this research has presented a new strategy using ligninolytic enzyme to modify lignin for synergistically improving product selectivity and bio-char performances, which opened up a new avenue for lignin valorization.
DOI: 10.1016/j.scitotenv.2020.137241
PubMed: 32070898
Affiliations:
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Electronic address: yuhongbo@hust.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074</wicri:regionArea><placeName><settlement type="city">Wuhan</settlement><region type="région">Hubei</region></placeName></affiliation></author><author><name sortKey="Li, Mengjie" sort="Li, Mengjie" uniqKey="Li M" first="Mengjie" last="Li">Mengjie Li</name><affiliation wicri:level="1"><nlm:affiliation>College of Resources and Environment, Gansu Agricultural University, Lanzhou 730030, China. 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Electronic address: yuhongbo@hust.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074</wicri:regionArea><placeName><settlement type="city">Wuhan</settlement><region type="région">Hubei</region></placeName></affiliation></author><author><name sortKey="Li, Mengjie" sort="Li, Mengjie" uniqKey="Li M" first="Mengjie" last="Li">Mengjie Li</name><affiliation wicri:level="1"><nlm:affiliation>College of Resources and Environment, Gansu Agricultural University, Lanzhou 730030, China. Electronic address: li555789@hotmail.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Resources and Environment, Gansu Agricultural University, Lanzhou 730030</wicri:regionArea><wicri:noRegion>Lanzhou 730030</wicri:noRegion></affiliation></author></analytic><series><title level="j">The Science of the total environment</title><idno type="eISSN">1879-1026</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomass (MeSH)</term><term>Ginkgo biloba (MeSH)</term><term>Lignin (metabolism)</term><term>Populus (MeSH)</term><term>Pyrolysis (MeSH)</term><term>Temperature (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Biomasse (MeSH)</term><term>Ginkgo biloba (MeSH)</term><term>Lignine (métabolisme)</term><term>Populus (MeSH)</term><term>Pyrolyse (MeSH)</term><term>Température (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Lignin</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Lignine</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>Ginkgo biloba</term><term>Populus</term><term>Pyrolysis</term><term>Temperature</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Biomasse</term><term>Ginkgo biloba</term><term>Populus</term><term>Pyrolyse</term><term>Température</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Fast pyrolysis of lignin is still struggling in efficiency and scalable utilization. The low product selectivity thereby represents one of the most challenging issues. White-rot fungi have been widely used in bio-pretreatment of lignocellulosic biomass, where ligninolytic enzymes have been evidenced to modify lignin structures and enhance bio-refining efficiency. We thus treated lignin from both softwood (ginkgo) and hardwood (poplar) with enzymatic cocktail from white-rot fungus for fast pyrolysis. Both ginkgo and poplar lignin had much improved product selectivity at lower temperature after enzymatic modification, in particular, the 2-methoxy-phenol production from ginkgo lignin. Besides the improved product selectivity, the residue bio-char from pyrolysis had much improved surface area with more porous structures. Mechanistic study showed that the improvement of lignin pyrolysis products might attribute to demethoxylation and interunit linkage cleavage of lignin during enzymatic treatment. All these results highlighted that the product selectivity and bio-char performances have been synergistically improved by enzymatic treatment, which could thus pave a new way for enhancing fast pyrolysis efficiency. Overall, using softwood and hardwood lignin, this research has presented a new strategy using ligninolytic enzyme to modify lignin for synergistically improving product selectivity and bio-char performances, which opened up a new avenue for lignin valorization.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">32070898</PMID><DateCompleted><Year>2020</Year><Month>05</Month><Day>05</Day></DateCompleted><DateRevised><Year>2020</Year><Month>05</Month><Day>05</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-1026</ISSN><JournalIssue CitedMedium="Internet"><Volume>717</Volume><PubDate><Year>2020</Year><Month>May</Month><Day>15</Day></PubDate></JournalIssue><Title>The Science of the total environment</Title><ISOAbbreviation>Sci Total Environ</ISOAbbreviation></Journal><ArticleTitle>Enzymatic treatment improves fast pyrolysis product selectivity of softwood and hardwood lignin.</ArticleTitle><Pagination><MedlinePgn>137241</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0048-9697(20)30751-8</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.scitotenv.2020.137241</ELocationID><Abstract><AbstractText>Fast pyrolysis of lignin is still struggling in efficiency and scalable utilization. The low product selectivity thereby represents one of the most challenging issues. White-rot fungi have been widely used in bio-pretreatment of lignocellulosic biomass, where ligninolytic enzymes have been evidenced to modify lignin structures and enhance bio-refining efficiency. We thus treated lignin from both softwood (ginkgo) and hardwood (poplar) with enzymatic cocktail from white-rot fungus for fast pyrolysis. Both ginkgo and poplar lignin had much improved product selectivity at lower temperature after enzymatic modification, in particular, the 2-methoxy-phenol production from ginkgo lignin. Besides the improved product selectivity, the residue bio-char from pyrolysis had much improved surface area with more porous structures. Mechanistic study showed that the improvement of lignin pyrolysis products might attribute to demethoxylation and interunit linkage cleavage of lignin during enzymatic treatment. All these results highlighted that the product selectivity and bio-char performances have been synergistically improved by enzymatic treatment, which could thus pave a new way for enhancing fast pyrolysis efficiency. Overall, using softwood and hardwood lignin, this research has presented a new strategy using ligninolytic enzyme to modify lignin for synergistically improving product selectivity and bio-char performances, which opened up a new avenue for lignin valorization.</AbstractText><CopyrightInformation>Copyright © 2020 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Lei</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China; Hubei Provincial Key Laboratory of Green Materials for Light Industry, School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan 430068, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ni</LastName><ForeName>Haoxiang</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Jialong</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Shi</LastName><ForeName>Qipeng</ForeName><Initials>Q</Initials><AffiliationInfo><Affiliation>College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Ran</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yu</LastName><ForeName>Hongbo</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China. Electronic address: yuhongbo@hust.edu.cn.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Mengjie</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>College of Resources and Environment, Gansu Agricultural University, Lanzhou 730030, China. Electronic address: li555789@hotmail.com.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>02</Month><Day>10</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Sci Total Environ</MedlineTA><NlmUniqueID>0330500</NlmUniqueID><ISSNLinking>0048-9697</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>9005-53-2</RegistryNumber><NameOfSubstance UI="D008031">Lignin</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D020441" MajorTopicYN="N">Ginkgo biloba</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008031" MajorTopicYN="N">Lignin</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000077319" MajorTopicYN="N">Pyrolysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013696" MajorTopicYN="N">Temperature</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Enzymatic treatment</Keyword><Keyword MajorTopicYN="N">Fast pyrolysis</Keyword><Keyword MajorTopicYN="N">Lignin valorization</Keyword><Keyword MajorTopicYN="N">Phenolic monomers</Keyword><Keyword MajorTopicYN="N">White-rot fungus</Keyword></KeywordList><CoiStatement>Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.</CoiStatement></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>11</Month><Day>16</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2020</Year><Month>02</Month><Day>08</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>02</Month><Day>08</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>2</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>5</Month><Day>6</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>2</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32070898</ArticleId><ArticleId IdType="pii">S0048-9697(20)30751-8</ArticleId><ArticleId IdType="doi">10.1016/j.scitotenv.2020.137241</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country><region><li>Hubei</li></region><settlement><li>Wuhan</li></settlement></list><tree><country name="République populaire de Chine"><region name="Hubei"><name sortKey="Wang, Lei" sort="Wang, Lei" uniqKey="Wang L" first="Lei" last="Wang">Lei Wang</name></region><name sortKey="Li, Mengjie" sort="Li, Mengjie" uniqKey="Li M" first="Mengjie" last="Li">Mengjie Li</name><name sortKey="Ni, Haoxiang" sort="Ni, Haoxiang" uniqKey="Ni H" first="Haoxiang" last="Ni">Haoxiang Ni</name><name sortKey="Shi, Qipeng" sort="Shi, Qipeng" uniqKey="Shi Q" first="Qipeng" last="Shi">Qipeng Shi</name><name sortKey="Yu, Hongbo" sort="Yu, Hongbo" uniqKey="Yu H" first="Hongbo" last="Yu">Hongbo Yu</name><name sortKey="Zhang, Jialong" sort="Zhang, Jialong" uniqKey="Zhang J" first="Jialong" last="Zhang">Jialong Zhang</name><name sortKey="Zhang, Ran" sort="Zhang, Ran" uniqKey="Zhang R" first="Ran" last="Zhang">Ran Zhang</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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