The influence of recycling non-condensable gases in the fractional catalytic pyrolysis of biomass.
Identifieur interne : 002886 ( Main/Exploration ); précédent : 002885; suivant : 002887The influence of recycling non-condensable gases in the fractional catalytic pyrolysis of biomass.
Auteurs : Ofei D. Mante [États-Unis] ; F A Agblevor ; S T Oyama ; R. McclungSource :
- Bioresource technology [ 1873-2976 ] ; 2012.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical : Gases.
- Biomass, Catalysis, Magnetic Resonance Spectroscopy, Recycling.
Abstract
In this study, the effect of recycling the non-condensable gases (NCG) in the catalytic pyrolysis of hybrid poplar using FCC catalyst was investigated. A 50mm bench scale fluidized bed reactor at 475°C with a weight hourly space velocity (WHSV) of 2h(-1) and a gas recycling capability was used for the studies. Model fluidizing gas mixtures of CO/N(2), CO(2)/N(2), CO/CO(2)/N(2) and H(2)/N(2) were used to determine their independent effects. Recycling of the NCG in the process was found to potentially increase the liquid yield and decrease char/coke yield. The model fluidizing gases increased the liquid yield and the CO(2)/N(2) fluidizing gas had the lowest char/coke yield. The (13)C-NMR analysis showed that recycling of NCG increases the aromatic fractions and decreases the methoxy, carboxylic and sugar fractions. Recycling of NCG increased the higher heating value and the pH of the bio-oil as well as decreased the viscosity and density.
DOI: 10.1016/j.biortech.2012.02.015
PubMed: 22382295
Affiliations:
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Mcclung</name></author></analytic><series><title level="j">Bioresource technology</title><idno type="eISSN">1873-2976</idno><imprint><date when="2012" type="published">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomass (MeSH)</term><term>Catalysis (MeSH)</term><term>Gases (MeSH)</term><term>Magnetic Resonance Spectroscopy (MeSH)</term><term>Recycling (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Biomasse (MeSH)</term><term>Catalyse (MeSH)</term><term>Gaz (MeSH)</term><term>Recyclage (MeSH)</term><term>Spectroscopie par résonance magnétique (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Gases</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>Catalysis</term><term>Magnetic Resonance Spectroscopy</term><term>Recycling</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Biomasse</term><term>Catalyse</term><term>Gaz</term><term>Recyclage</term><term>Spectroscopie par résonance magnétique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In this study, the effect of recycling the non-condensable gases (NCG) in the catalytic pyrolysis of hybrid poplar using FCC catalyst was investigated. A 50mm bench scale fluidized bed reactor at 475°C with a weight hourly space velocity (WHSV) of 2h(-1) and a gas recycling capability was used for the studies. Model fluidizing gas mixtures of CO/N(2), CO(2)/N(2), CO/CO(2)/N(2) and H(2)/N(2) were used to determine their independent effects. Recycling of the NCG in the process was found to potentially increase the liquid yield and decrease char/coke yield. The model fluidizing gases increased the liquid yield and the CO(2)/N(2) fluidizing gas had the lowest char/coke yield. The (13)C-NMR analysis showed that recycling of NCG increases the aromatic fractions and decreases the methoxy, carboxylic and sugar fractions. Recycling of NCG increased the higher heating value and the pH of the bio-oil as well as decreased the viscosity and density.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22382295</PMID><DateCompleted><Year>2012</Year><Month>07</Month><Day>20</Day></DateCompleted><DateRevised><Year>2012</Year><Month>03</Month><Day>26</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-2976</ISSN><JournalIssue CitedMedium="Internet"><Volume>111</Volume><PubDate><Year>2012</Year><Month>May</Month></PubDate></JournalIssue><Title>Bioresource technology</Title><ISOAbbreviation>Bioresour Technol</ISOAbbreviation></Journal><ArticleTitle>The influence of recycling non-condensable gases in the fractional catalytic pyrolysis of biomass.</ArticleTitle><Pagination><MedlinePgn>482-90</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.biortech.2012.02.015</ELocationID><Abstract><AbstractText>In this study, the effect of recycling the non-condensable gases (NCG) in the catalytic pyrolysis of hybrid poplar using FCC catalyst was investigated. A 50mm bench scale fluidized bed reactor at 475°C with a weight hourly space velocity (WHSV) of 2h(-1) and a gas recycling capability was used for the studies. Model fluidizing gas mixtures of CO/N(2), CO(2)/N(2), CO/CO(2)/N(2) and H(2)/N(2) were used to determine their independent effects. Recycling of the NCG in the process was found to potentially increase the liquid yield and decrease char/coke yield. The model fluidizing gases increased the liquid yield and the CO(2)/N(2) fluidizing gas had the lowest char/coke yield. The (13)C-NMR analysis showed that recycling of NCG increases the aromatic fractions and decreases the methoxy, carboxylic and sugar fractions. Recycling of NCG increased the higher heating value and the pH of the bio-oil as well as decreased the viscosity and density.</AbstractText><CopyrightInformation>Copyright © 2012 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Mante</LastName><ForeName>Ofei D</ForeName><Initials>OD</Initials><AffiliationInfo><Affiliation>Biological Systems Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA. omante@vt.edu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Agblevor</LastName><ForeName>F A</ForeName><Initials>FA</Initials></Author><Author ValidYN="Y"><LastName>Oyama</LastName><ForeName>S T</ForeName><Initials>ST</Initials></Author><Author ValidYN="Y"><LastName>McClung</LastName><ForeName>R</ForeName><Initials>R</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2012</Year><Month>02</Month><Day>11</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Bioresour Technol</MedlineTA><NlmUniqueID>9889523</NlmUniqueID><ISSNLinking>0960-8524</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005740">Gases</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="Y">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002384" MajorTopicYN="N">Catalysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005740" MajorTopicYN="Y">Gases</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009682" MajorTopicYN="N">Magnetic Resonance Spectroscopy</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D059027" MajorTopicYN="Y">Recycling</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>01</Month><Day>02</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2012</Year><Month>01</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2012</Year><Month>02</Month><Day>02</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>3</Month><Day>3</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>3</Month><Day>3</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>7</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">22382295</ArticleId><ArticleId IdType="pii">S0960-8524(12)00243-X</ArticleId><ArticleId IdType="doi">10.1016/j.biortech.2012.02.015</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Virginie</li></region></list><tree><noCountry><name sortKey="Agblevor, F A" sort="Agblevor, F A" uniqKey="Agblevor F" first="F A" last="Agblevor">F A Agblevor</name><name sortKey="Mcclung, R" sort="Mcclung, R" uniqKey="Mcclung R" first="R" last="Mcclung">R. Mcclung</name><name sortKey="Oyama, S T" sort="Oyama, S T" uniqKey="Oyama S" first="S T" last="Oyama">S T Oyama</name></noCountry><country name="États-Unis"><region name="Virginie"><name sortKey="Mante, Ofei D" sort="Mante, Ofei D" uniqKey="Mante O" first="Ofei D" last="Mante">Ofei D. Mante</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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