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Coupling of a distributed activation energy model with particle simulation for entrained flow pyrolysis of biomass
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-8235-9839
Department of Chemical Engineering, Monash University.
2015 (English)In: Fuel processing technology, ISSN 0378-3820, E-ISSN 1873-7188, Vol. 137, p. 131-138Article in journal (Refereed) Published
Abstract [en]

This study evaluated the applicability of the distributed activation energy model (DAEM) while incorporated in a particle model designed for entrained flow pyrolysis of biomass. For that purpose, two types of biomass (spruce sawdust and coconut shell) were pyrolyzed in a thermogravimetric analyzer to obtain the intrinsic kinetic parameters. These kinetic parameters were then incorporated in the particle model. For comparison, entrained flow pyrolysis of those samples was also conducted at different temperatures (1073 and 1273 K) by varying particle size (150–250 μm and 500–600 μm). The modeling results were also compared with the literature data. The prediction using DAEM kinetics was improved when pyrolysis heat of reaction was included in the model. Based on the findings, a method was proposed to use the intrinsic kinetic parameters for particle simulation to determine the conversion profile of biomass pyrolysis under laminar entrained flow condition.

Place, publisher, year, edition, pages
2015. Vol. 137, p. 131-138
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-4286DOI: 10.1016/j.fuproc.2015.04.014Local ID: 235b809a-8d7f-4040-b919-11973085fd46OAI: oai:DiVA.org:ltu-4286DiVA: diva2:977150
Note
Validerad; 2015; Nivå 2; 20150504 (kawkir)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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