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Further development and application of aerosol-based method for on-line investigation of char reactivity in steam
Linnaeus University, Faculty of Technology, Department of Building and Energy Technology. (Bioenergy)
Linnaeus University, Faculty of Technology, Department of Building and Energy Technology. (Bioenergy)
2013 (English)In: Proceedings for 21st European Biomass Conference and Exhibition, ETA-Florence Renewable Energies , 2013, 875-878 p.Conference paper, Published paper (Refereed)
Abstract [en]

Wood char was prepared from wood pellets under controlled pyrolysis conditions. The gasification kinetics for wood char in 33 vol% steam was established in the temperature range from 800ºC to 1300ºC by the combination of thermogravimetric analysis (TGA) and a novel aerosol-based method. The aerosol method was further developed and demonstrated successfully for generating, transporting and gasifying the suspended char particles (0.5-10 µm) in the steam atmosphere at high temperature up to 1300ºC. A tapered element oscillating microbalance (TEOM) was used to measure the change of mass concentrations of particles in the carrier gas, before and after gasification. The activation energy was 155 kJ·mol-1 for wood char with the pre-exponential factor of 3.56×104. This method can be potentially applied to on-line measure the reactivity of char particles directly in hot gas from the gasifier.

Place, publisher, year, edition, pages
ETA-Florence Renewable Energies , 2013. 875-878 p.
Series
EUROPEAN BIOMASS CONFERENCE AND EXHIBITION PROCEEDINGS, ISSN 2282-5819
Keyword [en]
biomass, kinetics, steam, biochar, aerosol, particles
National Category
Chemical Engineering Energy Systems
Research subject
Technology (byts ev till Engineering), Bioenergy Technology
Identifiers
URN: urn:nbn:se:lnu:diva-26897DOI: 10.5071/21stEUBCE2013-2CV.3.50ISBN: 978-88-89407-53-0 (print)OAI: oai:DiVA.org:lnu-26897DiVA: diva2:631203
Conference
21st European Biomass Conference and Exhibition, Copenhagen, Danmark, 3rd-7th June, 2013
Available from: 2013-06-20 Created: 2013-06-20 Last updated: 2015-05-27Bibliographically approved

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Lin, LetengStrand, Michael

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf