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2021-05-12 - Article/Dans un journal avec peer-review - Anglais - page(s)

Muschi Mégane, Devautour-Vinot Sabine, Aureau Damien, Heymans Nicolas , Sene Saad, Emmerich Rudolf, Ploumistos Alexandros, Geneste Amine, Steunou Nathalie, Patriarche Gilles, De Weireld Guy , Serre Christian, "Metal-Organic Framework/Graphene Oxide composites for CO2 capture by Microwave Swing Adsorption" in Journal of Materials Chemistry A, https://doi.org/10.1039/D0TA12215G

  • Edition : Royal Society of Chemistry (United Kingdom)
  • Codes CREF : Recherche énergétique (DI2290), Chimie des surfaces et des interfaces (DI1327), Traitement des effluents gazeux (DI3843), Environnement et pollution (DI3840), Technologie de l'environnement, contrôle de la pollution (DI3841), Thermodynamique chimique (DI132C), Génie chimique (DI2721)
  • Unités de recherche UMONS : Thermodynamique, Physique mathématique (F506)
  • Instituts UMONS : Institut de Recherche en Energétique (Energie)
Texte intégral :

Abstract(s) :

(Anglais) Metal-organic frameworks (MOFs)/Graphene oxide (GO) composites are of growing interest due to their properties which can exceed those of the pure components, including post-combustion CO2 capture. Series of composites suitable for CO2 capture under flue gas conditions based on the microporous water stable MIL-91(Ti) have been prepared with different GO contents, following two routes, in situ and post-synthetic. It was observed that the 5wt% GO in situ composite exhibits a semi-conducting behavior, while the post-synthetic materials are insulating, even with high (20wt%) GO content. As a consequence, this composite absorbs microwave radiation more efficiently compared to the pure MOF and post-synthetic materials. Finally, we report that CO2 desorption is much faster under microwave irradiation compared to conventional heating on MOF/GO in situ materials, paving the way for future energy-saving Microwave Swing Adsorption processes.