Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/148753
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dc.contributor.authorAnsari, Khursheed Badruddinen_US
dc.contributor.authorArora, Jyotsna Sudhiren_US
dc.contributor.authorChew, Jia Weien_US
dc.contributor.authorDauenhauer, Paul J.en_US
dc.contributor.authorMushrif, Samir H.en_US
dc.date.accessioned2021-05-06T05:46:36Z-
dc.date.available2021-05-06T05:46:36Z-
dc.date.issued2019-
dc.identifier.citationAnsari, K. B., Arora, J. S., Chew, J. W., Dauenhauer, P. J. & Mushrif, S. H. (2019). Fast pyrolysis of cellulose, hemicellulose, and lignin : effect of operating temperature on bio-oil yield and composition and insights into the intrinsic pyrolysis chemistry. Industrial and Engineering Chemistry Research, 58(35), 15838-15852. https://dx.doi.org/10.1021/acs.iecr.9b00920en_US
dc.identifier.issn0888-5885en_US
dc.identifier.other0000-0002-6440-3170-
dc.identifier.other0000-0001-9575-251X-
dc.identifier.other0000-0002-6603-1649-
dc.identifier.other0000-0001-5810-1953-
dc.identifier.other0000-0002-0002-9634-
dc.identifier.urihttps://hdl.handle.net/10356/148753-
dc.description.abstractFast pyrolysis of biomass produces bio-oil as a dominant product. However, the yield and composition of bio-oil are governed by numerous pyrolysis reactions which are difficult to understand because of the multiphase decomposition phenomena with convoluted chemistry and transport effects at millisecond time scales. In this work, thin-film pyrolysis experiments of biopolymers present in the biomass (i.e., cellulose (â¼50 μm), hemicellulose (using xylan as a model biopolymer, â¼12 μm), and lignin (â¼10 μm)) were performed over 200-550 °C, to investigate underlying thermal decomposition reactions, based on the product distribution obtained under reaction-controlled operating conditions. Experimental yields of non-condensable gases, bio-oil, and char at different operating temperatures and in the absence of transport limitations were obtained for each biopolymer. Cellulose- and xylan-derived bio-oil comprised of anhydrosugars, furans, and light oxygenates, in addition to pyrans in cellulosic bio-oil and phenols in xylan-derived bio-oil. Lignin pyrolysis bio-oil contained methoxyphenols, phenolic aldehydes/ketones, low-molecular-weight phenols, and light oxygenates. With an increase in the operating temperature, the anhydrosugars, furans (especially HMF and furfural), and pyrans of cellulosic and xylan bio-oils showed further degradation to form light oxygenates and furanic compounds. In the case of lignin, monolignols, initially formed at lower temperatures, further reacted to form low-molecular-weight phenols and light oxygenates with an increase in the operating temperature. In addition, based on the change in bio-oil yield and composition with temperatures, a reaction network/map was proposed for designing the molecular simulation studies of pyrolysis chemistry and developing detailed and accurate kinetics necessary for the bottom-up design of a pyrolysis reactor.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.language.isoenen_US
dc.relationT2-1-082en_US
dc.relation.ispartofIndustrial and Engineering Chemistry Researchen_US
dc.rights© 2019 American Chemical Society. All rights reserved.en_US
dc.subjectEngineering::Chemical engineeringen_US
dc.titleFast pyrolysis of cellulose, hemicellulose, and lignin : effect of operating temperature on bio-oil yield and composition and insights into the intrinsic pyrolysis chemistryen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Chemical and Biomedical Engineeringen_US
dc.identifier.doi10.1021/acs.iecr.9b00920-
dc.identifier.scopus2-s2.0-85068237230-
dc.identifier.issue35en_US
dc.identifier.volume58en_US
dc.identifier.spage15838en_US
dc.identifier.epage15852en_US
dc.subject.keywordsCelluloseen_US
dc.subject.keywordsOrganic Polymersen_US
dc.description.acknowledgementThis research is supported by the Ministry of Education, Singapore, under the Academic Research Fund (AcRF) Tier-2 grant (Grant No. T2-1-082).en_US
item.fulltextNo Fulltext-
item.grantfulltextnone-
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