Modelling of a Biomass Gasification Plant Feeding a Hybrid Solid Oxide Fuel Cell and Micro Gas Turbine System

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2009

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A system level modelling study on two combined heat and power (CHP) systems both based on biomass gasification. One system converts the product gas in a solid oxide fuel cell (SOFC) and the other in a combined SOFC and micro gas turbine (MGT) arrangement. An electrochemical model of the SOFC has been developed and calibrated against published data from Topsoe Fuel Cells A/S (TOFC) and Risø National Laboratory. The modelled gasifier is based on an up scaled version of the demonstrated low tar gasifier, Viking, situated at the Technical University of Denmark. The MGT utilizes the unconverted syngas from the SOFC to produce more power as well as pressurizing the SOFC bettering the electrical efficiency compared to operation with the SOFC alone - from η_el=36.4% to η_el=50.3%.
Original languageEnglish
Title of host publicationEnergy solutions for CO2 emission peak and subsequent decline. Proceedings. Risø International Energy Conference 2009
EditorsLeif Sønderberg Petersen, Hans Hvidtfeldt Larsen
Number of pages316
Publication date2009
Pages289-299
ISBN (print)978-87-550-3783-0
StatePublished

Conference

ConferenceRisø International Energy Conference 2009
CountryDenmark
CityRoskilde
Period14/09/0916/09/09

Keywords

  • biomass gasification, System modelling, micro gas turbine, SOFC
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