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Mathematical model of biomass gasification using high temperature air in fixed beds
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Energy and Furnace Technology.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Energy and Furnace Technology.ORCID iD: 0000-0002-1837-5439
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Energy and Furnace Technology.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Energy and Furnace Technology.
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2007 (English)In: Progress in Computational Fluid Dynamics, An International Journal, ISSN 1468-4349, E-ISSN 1741-5233, Vol. 7, no 1, 58-67 p.Article in journal (Refereed) Published
Abstract [en]

A mathematical model has been formulated for predicting the main chemical and physical processes taking place during the fixed-bed gasification of biomass fuels using high temperature air (up to 1000 degrees C). Predicted gas species concentrations profiles and their maximum values are in good agreement with measurements. The results also show that when the temperature of feed gas (air) is increased a higher gasification rate, higher molar fractions of fuel gases (CO, H-2 and CmHn) are obtained, thus resulting in a higher LHV. At a high flow rate of the feed gases, the peaks of the fuel gas concentrations are slightly increased, and the gasification rate is strongly increased. A smaller particle size of the biomass fuels leads to higher peak values of the fuel gas species molar fractions, and a more stable gasification zone for a relatively long period of time.

Place, publisher, year, edition, pages
2007. Vol. 7, no 1, 58-67 p.
Keyword [en]
mathematical modelling, gasification, biomass fuel, fixed bed, high temperature air, coal
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-16365DOI: 10.1504/PCFD.2007.011886ISI: 000243962700008Scopus ID: 2-s2.0-33847019177OAI: oai:DiVA.org:kth-16365DiVA: diva2:334407
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved
In thesis
1. High temperature air/steam gasification of biomass in an updraft fixed bed batch type gasifier
Open this publication in new window or tab >>High temperature air/steam gasification of biomass in an updraft fixed bed batch type gasifier
2005 (English)Doctoral thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2005. 100 p.
Keyword
Materials science, Materialvetenskap
National Category
Materials Engineering
Identifiers
urn:nbn:se:kth:diva-224 (URN)91-7178-067-X (ISBN)
Public defence
2005-05-30, sal D3, Lindstedtsvägen 5, Stockholm, 10:00
Opponent
Supervisors
Note
QC 20101020Available from: 2005-05-26 Created: 2005-05-26 Last updated: 2010-10-20Bibliographically approved

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Yang, Weihong

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Lucas, CarlosYang, WeihongPonzio, AnnaBlasiak, Wlodzimierz
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Progress in Computational Fluid Dynamics, An International Journal
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