On the relevance of thermodynamics to predict the behaviour of inorganics during CO2 gasification of willow wood

Abstract : This work is a contribution to the understanding of the behavior of inorganic elements during the gasification process of biomass, with the help of a robust thermodynamic equilibrium calculation methodology. A specific procedure combined with a thorough investigation of available thermochemical databases was developed in order to calculate the behaviour of 23 inorganic elements during CO2 gasification. In parallel, the gasification of willow wood was performed in a laboratory fixed bed reactor, providing the chemical composition of solid residue and major gases. The specificity of the methodology consists in (i) considering an open system to simulate a gas flow in the system (ii) determining the amount of gasification agent added at each calculation step based on experimental measurements of CO2 and CO concentration profiles. One of the main conclusions is that the thermodynamic approach is a relevant and powerful tool since most of the inorganics behavior is correctly reproduced.
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Communication dans un congrès
ESCAPE 2017 - 27th European Symposium on Computer Aided Process Engineering, Oct 2017, Barcelona, Spain. Elsevier, Computer aided chemical engineering ; ISBN 978-0-444-63965-3 40, p.2671-2676, 2017, 〈https://www.sciencedirect.com/science/article/pii/B9780444639653504475〉. 〈10.1016/B978-0-444-63965-3.50447-5〉
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https://hal.archives-ouvertes.fr/hal-01699300
Contributeur : Imt Mines Albi Ecole Nationale Supérieure Des Mines d'Albi-Carmaux <>
Soumis le : vendredi 13 juillet 2018 - 16:42:46
Dernière modification le : mardi 13 novembre 2018 - 01:08:43
Document(s) archivé(s) le : lundi 15 octobre 2018 - 09:45:40

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Marwa Said, Laurent Cassayre, Jean-Louis Dirion, Xavier Joulia, Ange Nzihou. On the relevance of thermodynamics to predict the behaviour of inorganics during CO2 gasification of willow wood. ESCAPE 2017 - 27th European Symposium on Computer Aided Process Engineering, Oct 2017, Barcelona, Spain. Elsevier, Computer aided chemical engineering ; ISBN 978-0-444-63965-3 40, p.2671-2676, 2017, 〈https://www.sciencedirect.com/science/article/pii/B9780444639653504475〉. 〈10.1016/B978-0-444-63965-3.50447-5〉. 〈hal-01699300〉

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