Directional Structure Modification of Poplar Biomass-Inspired High Efficacy of Enzymatic Hydrolysis by Sequential Dilute Acid-Alkali Treatment.
Identifieur interne : 000477 ( Main/Exploration ); précédent : 000476; suivant : 000478Directional Structure Modification of Poplar Biomass-Inspired High Efficacy of Enzymatic Hydrolysis by Sequential Dilute Acid-Alkali Treatment.
Auteurs : Fuxi Shi [République populaire de Chine] ; Yajun Wang [République populaire de Chine] ; Maryam Davaritouchaee [États-Unis] ; Yiqing Yao [République populaire de Chine] ; Kang Kang [Canada]Source :
- ACS omega [ 2470-1343 ] ; 2020.
Abstract
A major challenge in converting lignocellulose to biofuel is overcoming the resistance of the biomass structure. Herein, sequential dilute acid-alkali/aqueous ammonia treatment was evaluated to enhance enzymatic hydrolysis of poplar biomass by removing hemicellulose first and then removing lignin with acid and base, respectively. The results show that glucose release in sequential dilute acid-alkali treatments (61.4-71.4 mg/g) was 7.3-24.8% higher than sequential dilute acid-aqueous ammonia treatments (57.2-61.8 mg/g) and 283.8-346.3% higher than control (16.0 mg/g), respectively. Dilute acid treatment removed most hemicellulose (84.9%) of the biomass, followed by alkaline treatment with 27.5% removal of lignin. Roughness, surface area, and micropore volume of the biomass were crucial for the enzymatic hydrolysis. Furthermore, the ultrastructure changes observed using crystallinity, Fourier transform infrared spectroscopy, thermogravimetric analysis, and pyrolysis gas chromatography/mass spectrometry support the effects of sequential dilute acid-alkali treatment. The results provide an efficient approach to facilitate a better enzymatic hydrolysis of the poplar samples.
DOI: 10.1021/acsomega.0c03419
PubMed: 33015496
PubMed Central: PMC7528282
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sortKey="Yao, Yiqing" sort="Yao, Yiqing" uniqKey="Yao Y" first="Yiqing" last="Yao">Yiqing Yao</name><affiliation wicri:level="1"><nlm:affiliation>College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling 712100, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling 712100</wicri:regionArea><wicri:noRegion>Yangling 712100</wicri:noRegion></affiliation></author><author><name sortKey="Kang, Kang" sort="Kang, Kang" uniqKey="Kang K" first="Kang" last="Kang">Kang Kang</name><affiliation wicri:level="1"><nlm:affiliation>Institute for Chemicals and Fuels from Alternative Resources (ICFAR), Western University, 22312 Wonderland Road North, London N0M 2A0, ON, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Institute for Chemicals and Fuels from Alternative Resources (ICFAR), Western University, 22312 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F" first="Fuxi" last="Shi">Fuxi Shi</name><affiliation wicri:level="1"><nlm:affiliation>College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling 712100, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling 712100</wicri:regionArea><wicri:noRegion>Yangling 712100</wicri:noRegion></affiliation></author><author><name sortKey="Wang, Yajun" sort="Wang, Yajun" uniqKey="Wang Y" first="Yajun" last="Wang">Yajun Wang</name><affiliation wicri:level="1"><nlm:affiliation>Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Davaritouchaee, Maryam" sort="Davaritouchaee, Maryam" uniqKey="Davaritouchaee M" first="Maryam" last="Davaritouchaee">Maryam Davaritouchaee</name><affiliation wicri:level="1"><nlm:affiliation>The Gene & Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, Washington 99164, United States.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>The Gene & Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, Washington 99164</wicri:regionArea><wicri:noRegion>Washington 99164</wicri:noRegion></affiliation></author><author><name sortKey="Yao, Yiqing" sort="Yao, Yiqing" uniqKey="Yao Y" first="Yiqing" last="Yao">Yiqing Yao</name><affiliation wicri:level="1"><nlm:affiliation>College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling 712100, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling 712100</wicri:regionArea><wicri:noRegion>Yangling 712100</wicri:noRegion></affiliation></author><author><name sortKey="Kang, Kang" sort="Kang, Kang" uniqKey="Kang K" first="Kang" last="Kang">Kang Kang</name><affiliation wicri:level="1"><nlm:affiliation>Institute for Chemicals and Fuels from Alternative Resources (ICFAR), Western University, 22312 Wonderland Road North, London N0M 2A0, ON, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Institute for Chemicals and Fuels from Alternative Resources (ICFAR), Western University, 22312 Wonderland Road North, London N0M 2A0, ON</wicri:regionArea><wicri:noRegion>ON</wicri:noRegion></affiliation></author></analytic><series><title level="j">ACS omega</title><idno type="eISSN">2470-1343</idno><imprint><date when="2020" 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Herein, sequential dilute acid-alkali/aqueous ammonia treatment was evaluated to enhance enzymatic hydrolysis of poplar biomass by removing hemicellulose first and then removing lignin with acid and base, respectively. The results show that glucose release in sequential dilute acid-alkali treatments (61.4-71.4 mg/g) was 7.3-24.8% higher than sequential dilute acid-aqueous ammonia treatments (57.2-61.8 mg/g) and 283.8-346.3% higher than control (16.0 mg/g), respectively. Dilute acid treatment removed most hemicellulose (84.9%) of the biomass, followed by alkaline treatment with 27.5% removal of lignin. Roughness, surface area, and micropore volume of the biomass were crucial for the enzymatic hydrolysis. Furthermore, the ultrastructure changes observed using crystallinity, Fourier transform infrared spectroscopy, thermogravimetric analysis, and pyrolysis gas chromatography/mass spectrometry support the effects of sequential dilute acid-alkali treatment. The results provide an efficient approach to facilitate a better enzymatic hydrolysis of the poplar samples.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">33015496</PMID><DateRevised><Year>2020</Year><Month>10</Month><Day>06</Day></DateRevised><Article PubModel="Electronic-eCollection"><Journal><ISSN IssnType="Electronic">2470-1343</ISSN><JournalIssue CitedMedium="Internet"><Volume>5</Volume><Issue>38</Issue><PubDate><Year>2020</Year><Month>Sep</Month><Day>29</Day></PubDate></JournalIssue><Title>ACS omega</Title><ISOAbbreviation>ACS Omega</ISOAbbreviation></Journal><ArticleTitle>Directional Structure Modification of Poplar Biomass-Inspired High Efficacy of Enzymatic Hydrolysis by Sequential Dilute Acid-Alkali Treatment.</ArticleTitle><Pagination><MedlinePgn>24780-24789</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1021/acsomega.0c03419</ELocationID><Abstract><AbstractText>A major challenge in converting lignocellulose to biofuel is overcoming the resistance of the biomass structure. Herein, sequential dilute acid-alkali/aqueous ammonia treatment was evaluated to enhance enzymatic hydrolysis of poplar biomass by removing hemicellulose first and then removing lignin with acid and base, respectively. The results show that glucose release in sequential dilute acid-alkali treatments (61.4-71.4 mg/g) was 7.3-24.8% higher than sequential dilute acid-aqueous ammonia treatments (57.2-61.8 mg/g) and 283.8-346.3% higher than control (16.0 mg/g), respectively. Dilute acid treatment removed most hemicellulose (84.9%) of the biomass, followed by alkaline treatment with 27.5% removal of lignin. Roughness, surface area, and micropore volume of the biomass were crucial for the enzymatic hydrolysis. Furthermore, the ultrastructure changes observed using crystallinity, Fourier transform infrared spectroscopy, thermogravimetric analysis, and pyrolysis gas chromatography/mass spectrometry support the effects of sequential dilute acid-alkali treatment. The results provide an efficient approach to facilitate a better enzymatic hydrolysis of the poplar samples.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Shi</LastName><ForeName>Fuxi</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling 712100, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Yajun</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Davaritouchaee</LastName><ForeName>Maryam</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>The Gene & Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, Washington 99164, United States.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yao</LastName><ForeName>Yiqing</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling 712100, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kang</LastName><ForeName>Kang</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>Institute for Chemicals and Fuels from Alternative Resources (ICFAR), Western University, 22312 Wonderland Road North, London N0M 2A0, ON, Canada.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>09</Month><Day>21</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>ACS Omega</MedlineTA><NlmUniqueID>101691658</NlmUniqueID><ISSNLinking>2470-1343</ISSNLinking></MedlineJournalInfo><CoiStatement>The authors declare no competing financial interest.</CoiStatement></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2020</Year><Month>07</Month><Day>17</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>09</Month><Day>02</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>10</Month><Day>5</Day><Hour>6</Hour><Minute>23</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>10</Month><Day>6</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>10</Month><Day>6</Day><Hour>6</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">33015496</ArticleId><ArticleId 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