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Entrained flow gasification: mathematical modelling based on RANS for design and scale-up

Dammann, M.; Mancini, Marco; Weber, Roman; Kolb, T.


Production of synthetic fuels and chemicals in a closed carbon cycle economy is one of the main challenges concerning climate change. In order to convert biomass residues to high-density fuels, the bioliq® process [1] has been realised at Karlsruhe Institute of Technology (KIT). Between 2005 and 2013, all stages of the process were developed and commissioned including the bioliq entrained flow gasifier (bioliq EFG) [2]. During the design phase in 2008/2009, a basic numerical model of the bioliq EFG was already developed [3, 4] and its major limitations were identified. These include simplified sub-models for atomisation, for conversion of char, pyrolysis oil and suspensions thereof, for gas and particle radiation and for slagging at high-pressure and high-temperature conditions. Since 2013, many experimental bioliq EFG campaigns have been carried out and reliable experimental results have been obtained. In parallel, the work on the numerical model of the bioliq EFG has been resumed. This paper focusses on the status quo of the numerical model, on the accuracy of recent numerical results and on the challenges faced in the development of a CFD based tool for design and scale-up.
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Zugehörige Institution(en) am KIT Engler-Bunte-Institut (EBI)
Institut für Technische Chemie (ITC)
Publikationstyp Vortrag
Publikationsdatum 28.09.2021
Sprache Englisch
Identifikator KITopen-ID: 1000140358
Veranstaltung 30. Deutscher Flammentag (2021), Hannover, Deutschland, 28.09.2021 – 29.09.2021
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