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Concept for a Decentralised Combined Heat and Power Generation Unit for Biomass Gasification
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2001 (English)In: Progress in Thermochemical Biomass Conversion, Wiley-Blackwell, 2001, 499-508 p.Chapter in book (Other academic)Text
Abstract [en]

The development of an improved process for decentralised combined heat and power generation from biomass gasification was the main goal of this project. Based on gasification tests performed in a bench-scale pressurised fluidised gasifier a concept for an allothermal gasification unit was made. Air-blown as well as steam-blown tests were carried out considering three different kinds of biomass (birch, salix, and crushed pelletised straw) against a wide spectrum of operation conditions with different bed-materials (silica sands, magnesite and dolomite). The aim of the gas quality optimisation was the production of a fuel gas (syngas) with a high H2 and low tar content suitable for a gas engine. The tar content was measured with SPA method and a gravimetric method. The tests were performed at the Royal Institute of Technology, Stockholm, in close co-operation with the University of Essen. Jenbacher AG designed a new type of cylinder head for the direct feeding of the hot pressurised syngas into the gas engine in co-operation with the Technical University of Graz. Taking the results obtained into account a concept of decentralised combined heat and power generation (CHP) unit with an electrical power output of 1 MW was set up.

Place, publisher, year, edition, pages
Wiley-Blackwell, 2001. 499-508 p.
Keyword [en]
Allothermal gasification unit, Bed-materials, CO2-neutral fuel, Decentralised combined heat, Power generation
National Category
Chemical Engineering
URN: urn:nbn:se:kth:diva-181295DOI: 10.1002/9780470694954.ch40ScopusID: 2-s2.0-84949255440ISBN: 9780470694954OAI: diva2:902932

QC 20160212

Available from: 2016-02-12 Created: 2016-01-29 Last updated: 2016-02-12Bibliographically approved

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Sjöström, KristerRosén, Christer
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