Enhanced bioethanol production from yellow poplar by deacetylation and oxalic acid pretreatment without detoxification.
Identifieur interne : 002015 ( Main/Corpus ); précédent : 002014; suivant : 002016Enhanced bioethanol production from yellow poplar by deacetylation and oxalic acid pretreatment without detoxification.
Auteurs : Chandan Kundu ; Hong-Joo Lee ; Jae-Won LeeSource :
- Bioresource technology [ 1873-2976 ] ; 2015.
English descriptors
- KwdEn :
- Acetic Acid (chemistry), Biofuels (MeSH), Biomass (MeSH), Biotechnology (methods), Carbohydrates (chemistry), Dialysis (MeSH), Electrochemistry (methods), Ethanol (chemistry), Fermentation (MeSH), Glucans (chemistry), Hydrolysis (MeSH), Oxalic Acid (chemistry), Pichia (MeSH), Populus (chemistry), Surface Properties (MeSH), Temperature (MeSH), Trees (MeSH), Xylans (chemistry).
- MESH :
- chemical , chemistry : Acetic Acid, Carbohydrates, Ethanol, Glucans, Oxalic Acid, Xylans.
- chemical : Biofuels.
- chemistry : Populus.
- methods : Biotechnology, Electrochemistry.
- Biomass, Dialysis, Fermentation, Hydrolysis, Pichia, Surface Properties, Temperature, Trees.
Abstract
In order to produce ethanol from yellow poplar, deacetylation was performed using sodium hydroxide (NaOH). Optimal deacetylation conditions were determined by a response surface methodology. The highest acetic acid concentration obtained was 7.06 g/L when deacetylation was performed at 60 °C for 80 min with 0.8% NaOH. Acetic acid was recovered by electrodialysis from the deacetylated hydrolysate. The oxalic acid pretreatment of deacetylated biomass was carried out and the hydrolysate directly used for ethanol production without detoxification. Ethanol yields ranged from 0.34 to 0.47 g/g and the highest ethanol yield was obtained when pretreatment was carried out at 150 °C with 50 mM oxalic acid. The highest ethanol concentration obtained from pretreated biomass was 27.21 g/L at 170 °C, using a 50 mM of oxalic acid for the simultaneous saccharification and fermentation (SSF). Overall, 20.31 g of ethanol was obtained by hydrolysate and SSF from 100 g of deacetylated yellow poplar.
DOI: 10.1016/j.biortech.2014.08.082
PubMed: 25205056
Links to Exploration step
pubmed:25205056Le document en format XML
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<author><name sortKey="Kundu, Chandan" sort="Kundu, Chandan" uniqKey="Kundu C" first="Chandan" last="Kundu">Chandan Kundu</name>
<affiliation><nlm:affiliation>Department of Forest Products and Technology, College of Agriculture and Life Sciences, Chonnam National University, Gwang-ju 500-757, Republic of Korea.</nlm:affiliation>
</affiliation>
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<author><name sortKey="Lee, Hong Joo" sort="Lee, Hong Joo" uniqKey="Lee H" first="Hong-Joo" last="Lee">Hong-Joo Lee</name>
<affiliation><nlm:affiliation>Department of Bioenergy Science and Technology, College of Agriculture and Life Sciences, Chonnam National University, Gwang-ju 500-757, Republic of Korea.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Lee, Jae Won" sort="Lee, Jae Won" uniqKey="Lee J" first="Jae-Won" last="Lee">Jae-Won Lee</name>
<affiliation><nlm:affiliation>Department of Forest Products and Technology, College of Agriculture and Life Sciences, Chonnam National University, Gwang-ju 500-757, Republic of Korea. Electronic address: ljw43376@chonnam.ac.kr.</nlm:affiliation>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Enhanced bioethanol production from yellow poplar by deacetylation and oxalic acid pretreatment without detoxification.</title>
<author><name sortKey="Kundu, Chandan" sort="Kundu, Chandan" uniqKey="Kundu C" first="Chandan" last="Kundu">Chandan Kundu</name>
<affiliation><nlm:affiliation>Department of Forest Products and Technology, College of Agriculture and Life Sciences, Chonnam National University, Gwang-ju 500-757, Republic of Korea.</nlm:affiliation>
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<author><name sortKey="Lee, Hong Joo" sort="Lee, Hong Joo" uniqKey="Lee H" first="Hong-Joo" last="Lee">Hong-Joo Lee</name>
<affiliation><nlm:affiliation>Department of Bioenergy Science and Technology, College of Agriculture and Life Sciences, Chonnam National University, Gwang-ju 500-757, Republic of Korea.</nlm:affiliation>
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<author><name sortKey="Lee, Jae Won" sort="Lee, Jae Won" uniqKey="Lee J" first="Jae-Won" last="Lee">Jae-Won Lee</name>
<affiliation><nlm:affiliation>Department of Forest Products and Technology, College of Agriculture and Life Sciences, Chonnam National University, Gwang-ju 500-757, Republic of Korea. Electronic address: ljw43376@chonnam.ac.kr.</nlm:affiliation>
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<series><title level="j">Bioresource technology</title>
<idno type="eISSN">1873-2976</idno>
<imprint><date when="2015" type="published">2015</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acetic Acid (chemistry)</term>
<term>Biofuels (MeSH)</term>
<term>Biomass (MeSH)</term>
<term>Biotechnology (methods)</term>
<term>Carbohydrates (chemistry)</term>
<term>Dialysis (MeSH)</term>
<term>Electrochemistry (methods)</term>
<term>Ethanol (chemistry)</term>
<term>Fermentation (MeSH)</term>
<term>Glucans (chemistry)</term>
<term>Hydrolysis (MeSH)</term>
<term>Oxalic Acid (chemistry)</term>
<term>Pichia (MeSH)</term>
<term>Populus (chemistry)</term>
<term>Surface Properties (MeSH)</term>
<term>Temperature (MeSH)</term>
<term>Trees (MeSH)</term>
<term>Xylans (chemistry)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Acetic Acid</term>
<term>Carbohydrates</term>
<term>Ethanol</term>
<term>Glucans</term>
<term>Oxalic Acid</term>
<term>Xylans</term>
</keywords>
<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Biofuels</term>
</keywords>
<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Populus</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Biotechnology</term>
<term>Electrochemistry</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Biomass</term>
<term>Dialysis</term>
<term>Fermentation</term>
<term>Hydrolysis</term>
<term>Pichia</term>
<term>Surface Properties</term>
<term>Temperature</term>
<term>Trees</term>
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<front><div type="abstract" xml:lang="en">In order to produce ethanol from yellow poplar, deacetylation was performed using sodium hydroxide (NaOH). Optimal deacetylation conditions were determined by a response surface methodology. The highest acetic acid concentration obtained was 7.06 g/L when deacetylation was performed at 60 °C for 80 min with 0.8% NaOH. Acetic acid was recovered by electrodialysis from the deacetylated hydrolysate. The oxalic acid pretreatment of deacetylated biomass was carried out and the hydrolysate directly used for ethanol production without detoxification. Ethanol yields ranged from 0.34 to 0.47 g/g and the highest ethanol yield was obtained when pretreatment was carried out at 150 °C with 50 mM oxalic acid. The highest ethanol concentration obtained from pretreated biomass was 27.21 g/L at 170 °C, using a 50 mM of oxalic acid for the simultaneous saccharification and fermentation (SSF). Overall, 20.31 g of ethanol was obtained by hydrolysate and SSF from 100 g of deacetylated yellow poplar.</div>
</front>
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<Title>Bioresource technology</Title>
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<ArticleTitle>Enhanced bioethanol production from yellow poplar by deacetylation and oxalic acid pretreatment without detoxification.</ArticleTitle>
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<Abstract><AbstractText>In order to produce ethanol from yellow poplar, deacetylation was performed using sodium hydroxide (NaOH). Optimal deacetylation conditions were determined by a response surface methodology. The highest acetic acid concentration obtained was 7.06 g/L when deacetylation was performed at 60 °C for 80 min with 0.8% NaOH. Acetic acid was recovered by electrodialysis from the deacetylated hydrolysate. The oxalic acid pretreatment of deacetylated biomass was carried out and the hydrolysate directly used for ethanol production without detoxification. Ethanol yields ranged from 0.34 to 0.47 g/g and the highest ethanol yield was obtained when pretreatment was carried out at 150 °C with 50 mM oxalic acid. The highest ethanol concentration obtained from pretreated biomass was 27.21 g/L at 170 °C, using a 50 mM of oxalic acid for the simultaneous saccharification and fermentation (SSF). Overall, 20.31 g of ethanol was obtained by hydrolysate and SSF from 100 g of deacetylated yellow poplar.</AbstractText>
<CopyrightInformation>Copyright © 2014 Elsevier Ltd. All rights reserved.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Kundu</LastName>
<ForeName>Chandan</ForeName>
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<AffiliationInfo><Affiliation>Department of Forest Products and Technology, College of Agriculture and Life Sciences, Chonnam National University, Gwang-ju 500-757, Republic of Korea. Electronic address: ljw43376@chonnam.ac.kr.</Affiliation>
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<KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Deacetylation</Keyword>
<Keyword MajorTopicYN="N">Detoxification</Keyword>
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