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

Christian Bang-Møller, Masoud Rokni

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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
    ISBN (Print)978-87-550-3783-0
    Publication statusPublished - 2009
    EventRisø International Energy Conference 2009 - Risø DTU, Roskilde, Denmark
    Duration: 14 Sep 200916 Sep 2009


    ConferenceRisø International Energy Conference 2009
    LocationRisø DTU


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


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