Optimized activated charcoal detoxification of acid-pretreated lignocellulosic substrate and assessment for bioethanol production.
Identifieur interne : 000423 ( Main/Exploration ); précédent : 000422; suivant : 000424Optimized activated charcoal detoxification of acid-pretreated lignocellulosic substrate and assessment for bioethanol production.
Auteurs : Caitlyn Sarawan [Afrique du Sud] ; T N Suinyuy [Afrique du Sud] ; Y. Sewsynker-Sukai [Afrique du Sud] ; E B Gueguim Kana [Afrique du Sud]Source :
- Bioresource technology [ 1873-2976 ] ; 2019.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical : Charcoal, Lignin.
- Fermentation, Hydrolysis, Saccharomyces cerevisiae.
Abstract
This study optimized an activated charcoal (AC) detoxification method for the reduction of three different fermentation inhibitor compounds, while minimising the reducing sugar loss from acid-pretreated sorghum leaf (SL) wastes. Process optimization demonstrated a 98%, 88% and 37% removal efficiency for furfural, 5-hydroxymethylfurfural (HMF) and acetic acid respectively, with a 7% reducing sugar loss. Subsequently, the logistic and modified Gompertz models were used to comparatively evaluate the kinetics of Saccharomyces cerevisiae growth and ethanol production using the non-detoxified (NDF) and optimized detoxified (ODF) substrate. Yeast cell growth and bioethanol kinetic coefficients revealed that the ODF process was more effective than the NDF system. The experimental data generated from this study revealed that a suitable, cost-effective AC detoxification enhanced cell growth and bioethanol production efficiency. These findings pave the way for biomass pretreatment, detoxification and bioethanol process development using lignocellulosic wastes.
DOI: 10.1016/j.biortech.2019.121403
PubMed: 31078980
Affiliations:
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Sewsynker-Sukai</name><affiliation wicri:level="1"><nlm:affiliation>University of KwaZulu-Natal, School of Life Sciences, Pietermaritzburg, South Africa.</nlm:affiliation><country xml:lang="fr">Afrique du Sud</country><wicri:regionArea>University of KwaZulu-Natal, School of Life Sciences, Pietermaritzburg</wicri:regionArea><wicri:noRegion>Pietermaritzburg</wicri:noRegion></affiliation></author><author><name sortKey="Gueguim Kana, E B" sort="Gueguim Kana, E B" uniqKey="Gueguim Kana E" first="E B" last="Gueguim Kana">E B Gueguim Kana</name><affiliation wicri:level="1"><nlm:affiliation>University of KwaZulu-Natal, School of Life Sciences, Pietermaritzburg, South Africa. Electronic address: kanag@ukzn.ac.za.</nlm:affiliation><country xml:lang="fr">Afrique du Sud</country><wicri:regionArea>University of KwaZulu-Natal, School of Life Sciences, Pietermaritzburg</wicri:regionArea><wicri:noRegion>Pietermaritzburg</wicri:noRegion></affiliation></author></analytic><series><title level="j">Bioresource technology</title><idno type="eISSN">1873-2976</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Charcoal (MeSH)</term><term>Fermentation (MeSH)</term><term>Hydrolysis (MeSH)</term><term>Lignin (MeSH)</term><term>Saccharomyces cerevisiae (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Charbon de bois (MeSH)</term><term>Fermentation (MeSH)</term><term>Hydrolyse (MeSH)</term><term>Lignine (MeSH)</term><term>Saccharomyces cerevisiae (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Charcoal</term><term>Lignin</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Fermentation</term><term>Hydrolysis</term><term>Saccharomyces cerevisiae</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Charbon de bois</term><term>Fermentation</term><term>Hydrolyse</term><term>Lignine</term><term>Saccharomyces cerevisiae</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study optimized an activated charcoal (AC) detoxification method for the reduction of three different fermentation inhibitor compounds, while minimising the reducing sugar loss from acid-pretreated sorghum leaf (SL) wastes. Process optimization demonstrated a 98%, 88% and 37% removal efficiency for furfural, 5-hydroxymethylfurfural (HMF) and acetic acid respectively, with a 7% reducing sugar loss. Subsequently, the logistic and modified Gompertz models were used to comparatively evaluate the kinetics of Saccharomyces cerevisiae growth and ethanol production using the non-detoxified (NDF) and optimized detoxified (ODF) substrate. Yeast cell growth and bioethanol kinetic coefficients revealed that the ODF process was more effective than the NDF system. The experimental data generated from this study revealed that a suitable, cost-effective AC detoxification enhanced cell growth and bioethanol production efficiency. These findings pave the way for biomass pretreatment, detoxification and bioethanol process development using lignocellulosic wastes.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Automated" Owner="NLM"><PMID Version="1">31078980</PMID><DateCompleted><Year>2019</Year><Month>09</Month><Day>17</Day></DateCompleted><DateRevised><Year>2019</Year><Month>09</Month><Day>17</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-2976</ISSN><JournalIssue CitedMedium="Internet"><Volume>286</Volume><PubDate><Year>2019</Year><Month>Aug</Month></PubDate></JournalIssue><Title>Bioresource technology</Title><ISOAbbreviation>Bioresour Technol</ISOAbbreviation></Journal><ArticleTitle>Optimized activated charcoal detoxification of acid-pretreated lignocellulosic substrate and assessment for bioethanol production.</ArticleTitle><Pagination><MedlinePgn>121403</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0960-8524(19)30633-9</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.biortech.2019.121403</ELocationID><Abstract><AbstractText>This study optimized an activated charcoal (AC) detoxification method for the reduction of three different fermentation inhibitor compounds, while minimising the reducing sugar loss from acid-pretreated sorghum leaf (SL) wastes. Process optimization demonstrated a 98%, 88% and 37% removal efficiency for furfural, 5-hydroxymethylfurfural (HMF) and acetic acid respectively, with a 7% reducing sugar loss. Subsequently, the logistic and modified Gompertz models were used to comparatively evaluate the kinetics of Saccharomyces cerevisiae growth and ethanol production using the non-detoxified (NDF) and optimized detoxified (ODF) substrate. Yeast cell growth and bioethanol kinetic coefficients revealed that the ODF process was more effective than the NDF system. The experimental data generated from this study revealed that a suitable, cost-effective AC detoxification enhanced cell growth and bioethanol production efficiency. These findings pave the way for biomass pretreatment, detoxification and bioethanol process development using lignocellulosic wastes.</AbstractText><CopyrightInformation>Copyright © 2019 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Sarawan</LastName><ForeName>Caitlyn</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>University of KwaZulu-Natal, School of Life Sciences, Pietermaritzburg, South Africa.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Suinyuy</LastName><ForeName>T N</ForeName><Initials>TN</Initials><AffiliationInfo><Affiliation>University of KwaZulu-Natal, School of Life Sciences, Pietermaritzburg, South Africa.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sewsynker-Sukai</LastName><ForeName>Y</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>University of KwaZulu-Natal, School of Life Sciences, Pietermaritzburg, South Africa.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gueguim Kana</LastName><ForeName>E B</ForeName><Initials>EB</Initials><AffiliationInfo><Affiliation>University of KwaZulu-Natal, School of Life Sciences, Pietermaritzburg, South Africa. Electronic address: kanag@ukzn.ac.za.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2019</Year><Month>04</Month><Day>30</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Bioresour Technol</MedlineTA><NlmUniqueID>9889523</NlmUniqueID><ISSNLinking>0960-8524</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>11132-73-3</RegistryNumber><NameOfSubstance UI="C036909">lignocellulose</NameOfSubstance></Chemical><Chemical><RegistryNumber>16291-96-6</RegistryNumber><NameOfSubstance UI="D002606">Charcoal</NameOfSubstance></Chemical><Chemical><RegistryNumber>9005-53-2</RegistryNumber><NameOfSubstance UI="D008031">Lignin</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002606" MajorTopicYN="Y">Charcoal</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005285" MajorTopicYN="N">Fermentation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006868" MajorTopicYN="N">Hydrolysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008031" MajorTopicYN="Y">Lignin</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012441" MajorTopicYN="N">Saccharomyces cerevisiae</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Activated charcoal</Keyword><Keyword MajorTopicYN="N">Bioethanol</Keyword><Keyword MajorTopicYN="N">Detoxification</Keyword><Keyword MajorTopicYN="N">Inhibitor compounds</Keyword><Keyword MajorTopicYN="N">Optimization</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>03</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2019</Year><Month>04</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2019</Year><Month>04</Month><Day>29</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>5</Month><Day>13</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>9</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>5</Month><Day>13</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">31078980</ArticleId><ArticleId IdType="pii">S0960-8524(19)30633-9</ArticleId><ArticleId IdType="doi">10.1016/j.biortech.2019.121403</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Afrique du Sud</li></country></list><tree><country name="Afrique du Sud"><noRegion><name sortKey="Sarawan, Caitlyn" sort="Sarawan, Caitlyn" uniqKey="Sarawan C" first="Caitlyn" last="Sarawan">Caitlyn Sarawan</name></noRegion><name sortKey="Gueguim Kana, E B" sort="Gueguim Kana, E B" uniqKey="Gueguim Kana E" first="E B" last="Gueguim Kana">E B Gueguim Kana</name><name sortKey="Sewsynker Sukai, Y" sort="Sewsynker Sukai, Y" uniqKey="Sewsynker Sukai Y" first="Y" last="Sewsynker-Sukai">Y. Sewsynker-Sukai</name><name sortKey="Suinyuy, T N" sort="Suinyuy, T N" uniqKey="Suinyuy T" first="T N" last="Suinyuy">T N Suinyuy</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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