A viable method and configuration for fermenting biomass sugars to ethanol using native Saccharomyces cerevisiae.
Identifieur interne : 002C18 ( Main/Exploration ); précédent : 002C17; suivant : 002C19A viable method and configuration for fermenting biomass sugars to ethanol using native Saccharomyces cerevisiae.
Auteurs : Dawei Yuan [États-Unis] ; Kripa Rao ; Sasidhar Varanasi ; Patricia RelueSource :
- Bioresource technology [ 1873-2976 ] ; 2012.
Descripteurs français
- KwdFr :
- Biomasse (MeSH), Bioréacteurs (microbiologie), Biotechnologie (méthodes), Fermentation (effets des médicaments et des substances chimiques), Fermentation (physiologie), Glucides (analyse), Glucose (métabolisme), Hydrolyse (effets des médicaments et des substances chimiques), Isomérie (MeSH), Liquides ioniques (pharmacologie), Membrane artificielle (MeSH), Métabolisme glucidique (effets des médicaments et des substances chimiques), Populus (effets des médicaments et des substances chimiques), Populus (métabolisme), Recyclage (MeSH), Rhéologie (effets des médicaments et des substances chimiques), Saccharomyces cerevisiae (effets des médicaments et des substances chimiques), Saccharomyces cerevisiae (métabolisme), Xylocétose (métabolisme), Xylose (métabolisme), Éthanol (métabolisme).
- MESH :
- analyse : Glucides.
- effets des médicaments et des substances chimiques : Fermentation, Hydrolyse, Métabolisme glucidique, Populus, Rhéologie, Saccharomyces cerevisiae.
- microbiologie : Bioréacteurs.
- métabolisme : Glucose, Populus, Saccharomyces cerevisiae, Xylocétose, Xylose, Éthanol.
- méthodes : Biotechnologie.
- pharmacologie : Liquides ioniques.
- physiologie : Fermentation.
- Biomasse, Isomérie, Membrane artificielle, Recyclage.
English descriptors
- KwdEn :
- Biomass (MeSH), Bioreactors (microbiology), Biotechnology (methods), Carbohydrate Metabolism (drug effects), Carbohydrates (analysis), Ethanol (metabolism), Fermentation (drug effects), Fermentation (physiology), Glucose (metabolism), Hydrolysis (drug effects), Ionic Liquids (pharmacology), Isomerism (MeSH), Membranes, Artificial (MeSH), Populus (drug effects), Populus (metabolism), Recycling (MeSH), Rheology (drug effects), Saccharomyces cerevisiae (drug effects), Saccharomyces cerevisiae (metabolism), Xylose (metabolism), Xylulose (metabolism).
- MESH :
- chemical , analysis : Carbohydrates.
- drug effects : Carbohydrate Metabolism, Fermentation, Hydrolysis, Populus, Rheology, Saccharomyces cerevisiae.
- chemical , metabolism : Ethanol, Glucose, Populus, Saccharomyces cerevisiae, Xylose, Xylulose.
- methods : Biotechnology.
- microbiology : Bioreactors.
- chemical , pharmacology : Ionic Liquids.
- physiology : Fermentation.
- Biomass, Isomerism, Membranes, Artificial, Recycling.
Abstract
A system that incorporates a packed bed reactor for isomerization of xylose and a hollow fiber membrane fermentor (HFMF) for sugar fermentation by yeast was developed for facile recovery of the xylose isomerase enzyme pellets and reuse of the cartridge loaded with yeast. Fermentation of pre-isomerized poplar hydrolysate produced using ionic liquid pretreatment in HFMF resulted in ethanol yields equivalent to that of model sugar mixtures of xylose and glucose. By recirculating model sugar mixtures containing partially isomerized xylose through the packed bed and the HFMF connected in series, 39 g/l ethanol was produced within 10h with 86.4% xylose utilization. The modular nature of this configuration has the potential for easy scale-up of the simultaneous isomerization and fermentation process without significant capital costs.
DOI: 10.1016/j.biortech.2012.04.005
PubMed: 22609719
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Fermentation of pre-isomerized poplar hydrolysate produced using ionic liquid pretreatment in HFMF resulted in ethanol yields equivalent to that of model sugar mixtures of xylose and glucose. By recirculating model sugar mixtures containing partially isomerized xylose through the packed bed and the HFMF connected in series, 39 g/l ethanol was produced within 10h with 86.4% xylose utilization. The modular nature of this configuration has the potential for easy scale-up of the simultaneous isomerization and fermentation process without significant capital costs.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22609719</PMID><DateCompleted><Year>2012</Year><Month>10</Month><Day>10</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-2976</ISSN><JournalIssue CitedMedium="Internet"><Volume>117</Volume><PubDate><Year>2012</Year><Month>Aug</Month></PubDate></JournalIssue><Title>Bioresource technology</Title><ISOAbbreviation>Bioresour Technol</ISOAbbreviation></Journal><ArticleTitle>A viable method and configuration for fermenting biomass sugars to ethanol using native Saccharomyces cerevisiae.</ArticleTitle><Pagination><MedlinePgn>92-8</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.biortech.2012.04.005</ELocationID><Abstract><AbstractText>A system that incorporates a packed bed reactor for isomerization of xylose and a hollow fiber membrane fermentor (HFMF) for sugar fermentation by yeast was developed for facile recovery of the xylose isomerase enzyme pellets and reuse of the cartridge loaded with yeast. Fermentation of pre-isomerized poplar hydrolysate produced using ionic liquid pretreatment in HFMF resulted in ethanol yields equivalent to that of model sugar mixtures of xylose and glucose. By recirculating model sugar mixtures containing partially isomerized xylose through the packed bed and the HFMF connected in series, 39 g/l ethanol was produced within 10h with 86.4% xylose utilization. The modular nature of this configuration has the potential for easy scale-up of the simultaneous isomerization and fermentation process without significant capital costs.</AbstractText><CopyrightInformation>Copyright © 2012 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Yuan</LastName><ForeName>Dawei</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Department of Bioengineering, 1610 N. 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