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Preliminary Test on the Allothermal Gasifier at Mid Sweden University
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics. (Bioenergy - Gasification)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics. (Bioenergy - Gasification)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics. (Bioenergy - Gasification)
2009 (English)In: 17th European Biomass Conference: FROM RESEARCH TO INDUSTRY AND MARKETS / [ed] G. F. DE SANTI, J. F. DALLEMAND, H. OSSENBRINK, A. GRASSI and P. HELM, Florence, Italy: ETA-Florence Renewable Energies , 2009Conference paper, Published paper (Other academic)
Abstract [en]

This paper presents a preliminary test on the 150 kW allothermal biomass gasifier at MSU (Mid Sweden University) in Härnösand, Sweden. The MSU gasifier is a combination of a fluidized bed gasifier and a CFB riser as a combustor with an unique design suitable for in-built tar/CH4 catalytic reforming. The test was carried out by two steps, 1) fluid-dynamic study and 2) measurements of gas composition. The results show the dependency of bed material circulation rate on the superficial gas velocity in the combustor, the bed material inventory and the aeration of solids flow between the bottoms of the gasifier and the combustor. A strong influence of circulation rate on the temperature difference between the combustor and the gasifier was identified. The syngas analysis showed that, as steam/biomass ratio increases, CH4 content decreases and H2/CO ratio increases. The biomass gasification technology developed at MSU is simple, cheap, reliable, and can obtain a syngas of high CO+H2 concentration with sufficient high ratio of H2 to CO, suitable for synthesis of Methane, DME, FT-fuels or alcohol fuels This development work is expected to help for developing an effective and a reliable BTL technology in S&M scales under 200 MW, possibly for biorefinery integration.

Place, publisher, year, edition, pages
Florence, Italy: ETA-Florence Renewable Energies , 2009.
Keywords [en]
allothermal gasification, biofuel, biomass, gasifier and syngas
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:miun:diva-11107ISBN: 978-88-89407-57-3 (print)OAI: oai:DiVA.org:miun-11107DiVA, id: diva2:286541
Conference
17th European Biomass Conference and Exhibition, Hamburg, Germany 29 June - 3 July 2009
Projects
Development of BTL (Biomass To Liquide) towards small-scale automotive-fuel plantsAvailable from: 2010-01-14 Created: 2010-01-14 Last updated: 2011-04-19Bibliographically approved

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Göransson, KristinaSöderlind, UlfZhang, Wennan

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