Comparative Study of Biomass Fast Pyrolysis and Direct Liquefaction for Bio-Oils Production: Products Yield and Characterizations
Identifieur interne : 000252 ( Hal/Corpus ); précédent : 000251; suivant : 000253Comparative Study of Biomass Fast Pyrolysis and Direct Liquefaction for Bio-Oils Production: Products Yield and Characterizations
Auteurs : Nicolas Doassans-Carrère ; Jean-Henry Ferrasse ; Olivier Boutin ; Guillain Mauviel ; Jacques LédéSource :
Abstract
The objective of this work is to compare two biomass-to-oil processes: fast pyrolysis and direct liquefaction, using the same biomass (beech sawdust). Fast pyrolysis is conducted in a cyclone reactor (wall temperature between 870 and 1040 K)and direct liquefaction in a 150-mL-autoclave reactor (bulk temperature between 420 and 600 K). Three fractions of pyro-oil are obtained from fast pyrolysis (heavy oil, light oil, and aerosol), whereas two fractions of liq-oil (heavy oil and water-solubleorganics) are obtained from direct liquefaction. The comparison of both processes is based on the product yields and theircharacterization (ultimate analysis for solid and oils, oil−water content, gas and oil molecular composition, 1H NMR for oils).For both processes, there is an optimal temperature at which the oil yield is maximum. Up to 62.6 wt % of pyro-oil are obtained at 970 K with the cyclone reactor (with 25.7 wt % of gas and 11.7 wt % of solid), whereas 47.0 wt % of liq-oil was obtained at 573 K with the batch-reactor (completed by 5.5 wt % of gas and 17.8 wt % of solid). Water content mainly explains the differences (mass yield and oxygen content) between oils from fast pyrolysis and direct liquefaction. Nevertheless, there are also some differences in organic composition: levoglucosane is a main component in pyro-oil, whereas levulinic acid is a main component in liq-oil. Finally, gas formed during direct liquefaction is mainly composed of CO2 (more than 99 wt %), whereas gas from fast pyrolysis is a mixture of CO, CO2, H2, CH4, and light hydrocarbons.
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DOI: 10.1021/ef500641c
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Hal:hal-01088963Le document en format XML
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Fast pyrolysis is conducted in a cyclone reactor (wall temperature between 870 and 1040 K)and direct liquefaction in a 150-mL-autoclave reactor (bulk temperature between 420 and 600 K). Three fractions of pyro-oil are obtained from fast pyrolysis (heavy oil, light oil, and aerosol), whereas two fractions of liq-oil (heavy oil and water-solubleorganics) are obtained from direct liquefaction. The comparison of both processes is based on the product yields and theircharacterization (ultimate analysis for solid and oils, oil−water content, gas and oil molecular composition, 1H NMR for oils).For both processes, there is an optimal temperature at which the oil yield is maximum. Up to 62.6 wt % of pyro-oil are obtained at 970 K with the cyclone reactor (with 25.7 wt % of gas and 11.7 wt % of solid), whereas 47.0 wt % of liq-oil was obtained at 573 K with the batch-reactor (completed by 5.5 wt % of gas and 17.8 wt % of solid). Water content mainly explains the differences (mass yield and oxygen content) between oils from fast pyrolysis and direct liquefaction. Nevertheless, there are also some differences in organic composition: levoglucosane is a main component in pyro-oil, whereas levulinic acid is a main component in liq-oil. Finally, gas formed during direct liquefaction is mainly composed of CO2 (more than 99 wt %), whereas gas from fast pyrolysis is a mixture of CO, CO2, H2, CH4, and light hydrocarbons.</div></front></TEI><hal api="V3"><titleStmt><title xml:lang="en">Comparative Study of Biomass Fast Pyrolysis and Direct Liquefaction for Bio-Oils Production: Products Yield and Characterizations</title><author role="aut"><persName><forename type="first">Nicolas</forename><surname>Doassans-Carrère</surname></persName><email></email><idno type="halauthor">892159</idno><affiliation ref="#struct-199963"></affiliation></author><author role="crp"><persName><forename type="first">Jean-Henry</forename><surname>Ferrasse</surname></persName><email>jean-henry.ferrasse@univ-amu.fr</email><idno type="halauthor">1102492</idno><affiliation ref="#struct-199963"></affiliation></author><author role="aut"><persName><forename type="first">Olivier</forename><surname>Boutin</surname></persName><email></email><idno type="halauthor">871482</idno><affiliation ref="#struct-199963"></affiliation></author><author role="aut"><persName><forename type="first">Guillain</forename><surname>Mauviel</surname></persName><email>guillain.mauviel@univ-lorraine.fr</email><idno type="halauthor">816984</idno><affiliation ref="#struct-402153"></affiliation></author><author role="aut"><persName><forename type="first">Jacques</forename><surname>Lédé</surname></persName><email></email><idno type="halauthor">458957</idno><affiliation ref="#struct-402153"></affiliation></author><editor role="depositor"><persName><forename>Gabriel</forename><surname>Wild</surname></persName><email>gabriel.wild@univ-lorraine.fr</email></editor><funder>Fondation Tuck projet ENERBIO</funder></titleStmt><editionStmt><edition n="v1" type="current"><date type="whenSubmitted">2014-11-29 17:33:33</date><date type="whenModified">2016-05-11 01:05:01</date><date type="whenReleased">2014-11-29 17:33:33</date><date type="whenProduced">2014-06-14</date></edition><respStmt><resp>contributor</resp><name key="179637"><persName><forename>Gabriel</forename><surname>Wild</surname></persName><email>gabriel.wild@univ-lorraine.fr</email></name></respStmt></editionStmt><publicationStmt><distributor>CCSD</distributor><idno type="halId">hal-01088963</idno><idno type="halUri">https://hal.archives-ouvertes.fr/hal-01088963</idno><idno type="halBibtex">doassanscarrere:hal-01088963</idno><idno type="halRefHtml">Energy and Fuels, 2014, 28, pp.5103−5111. <10.1021/ef500641c></idno><idno type="halRef">Energy and Fuels, 2014, 28, pp.5103−5111. <10.1021/ef500641c></idno></publicationStmt><seriesStmt><idno type="stamp" n="CNRS">CNRS - Centre national de la recherche scientifique</idno><idno type="stamp" n="UNIV-AMU">Aix Marseille Université</idno><idno type="stamp" n="EC-MARSEILLE">Ecole Centrale de Marseille</idno><idno type="stamp" n="M2P2">Mécanique Modélisation et Procédés Propres</idno><idno type="stamp" n="UNIV-LORRAINE">Université de Lorraine</idno><idno type="stamp" n="LRGP-UL">LRGP</idno><idno type="stamp" n="CEA">CEA - Commissariat à l'énergie atomique</idno></seriesStmt><notesStmt><note type="audience" n="2">International</note><note type="popular" n="0">No</note><note type="peer" n="1">Yes</note></notesStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Comparative Study of Biomass Fast Pyrolysis and Direct Liquefaction for Bio-Oils Production: Products Yield and Characterizations</title><author role="aut"><persName><forename type="first">Nicolas</forename><surname>Doassans-Carrère</surname></persName><idno type="halAuthorId">892159</idno><affiliation ref="#struct-199963"></affiliation></author><author role="crp"><persName><forename type="first">Jean-Henry</forename><surname>Ferrasse</surname></persName><email>jean-henry.ferrasse@univ-amu.fr</email><idno type="halAuthorId">1102492</idno><affiliation ref="#struct-199963"></affiliation></author><author role="aut"><persName><forename type="first">Olivier</forename><surname>Boutin</surname></persName><idno type="halAuthorId">871482</idno><affiliation ref="#struct-199963"></affiliation></author><author role="aut"><persName><forename type="first">Guillain</forename><surname>Mauviel</surname></persName><email>guillain.mauviel@univ-lorraine.fr</email><idno type="halAuthorId">816984</idno><affiliation ref="#struct-402153"></affiliation></author><author role="aut"><persName><forename type="first">Jacques</forename><surname>Lédé</surname></persName><idno type="halAuthorId">458957</idno><affiliation ref="#struct-402153"></affiliation></author></analytic><monogr><idno type="halJournalId" status="VALID">20461</idno><title level="j">Energy and Fuels</title><imprint><biblScope unit="volume">28</biblScope><biblScope unit="pp">5103−5111</biblScope><date type="datePub">2014-06-14</date></imprint></monogr><idno type="doi">10.1021/ef500641c</idno></biblStruct></sourceDesc><profileDesc><langUsage><language ident="en">English</language></langUsage><textClass><classCode scheme="halDomain" n="spi.gproc">Engineering Sciences [physics]/Chemical and Process Engineering</classCode><classCode scheme="halTypology" n="ART">Journal articles</classCode></textClass><abstract xml:lang="en">The objective of this work is to compare two biomass-to-oil processes: fast pyrolysis and direct liquefaction, using the same biomass (beech sawdust). Fast pyrolysis is conducted in a cyclone reactor (wall temperature between 870 and 1040 K)and direct liquefaction in a 150-mL-autoclave reactor (bulk temperature between 420 and 600 K). Three fractions of pyro-oil are obtained from fast pyrolysis (heavy oil, light oil, and aerosol), whereas two fractions of liq-oil (heavy oil and water-solubleorganics) are obtained from direct liquefaction. The comparison of both processes is based on the product yields and theircharacterization (ultimate analysis for solid and oils, oil−water content, gas and oil molecular composition, 1H NMR for oils).For both processes, there is an optimal temperature at which the oil yield is maximum. Up to 62.6 wt % of pyro-oil are obtained at 970 K with the cyclone reactor (with 25.7 wt % of gas and 11.7 wt % of solid), whereas 47.0 wt % of liq-oil was obtained at 573 K with the batch-reactor (completed by 5.5 wt % of gas and 17.8 wt % of solid). Water content mainly explains the differences (mass yield and oxygen content) between oils from fast pyrolysis and direct liquefaction. Nevertheless, there are also some differences in organic composition: levoglucosane is a main component in pyro-oil, whereas levulinic acid is a main component in liq-oil. Finally, gas formed during direct liquefaction is mainly composed of CO2 (more than 99 wt %), whereas gas from fast pyrolysis is a mixture of CO, CO2, H2, CH4, and light hydrocarbons.</abstract></profileDesc></hal></record>Pour manipuler ce document sous Unix (Dilib)
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