1. Creating innovative composite materials to enhance the kinetics of CO 2 capture by hydroquinone clathrates
- Author
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Romuald Coupan, Abdel Khoukh, Christophe Dicharry, Fabrice Guerton, Mehrdji Hemati, Sid Ahmed Kessas, Frédéric Plantier, Peter Moonen, Pascale Sénéchal, Jean-Philippe Torré, Centre National de la Recherche Scientifique - CNRS (FRANCE), Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE), Total (FRANCE), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Université de Pau et des Pays de l'Adour - UPPA (FRANCE), Laboratoire des Fluides Complexes et leurs Réservoirs (LFCR), TOTAL FINA ELF-Université de Pau et des Pays de l'Adour (UPPA)-Centre National de la Recherche Scientifique (CNRS), Développement de méthodologies expérimentales (DMEX), Université de Pau et des Pays de l'Adour (UPPA)-Centre National de la Recherche Scientifique (CNRS), Institut des sciences analytiques et de physico-chimie pour l'environnement et les materiaux (IPREM), Université de Pau et des Pays de l'Adour (UPPA)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Génie Chimique (LGC), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées, the ORCHIDS project and the Carnot Institute ISIFoR, and Institut National Polytechnique de Toulouse - INPT (FRANCE)
- Subjects
General Chemical Engineering ,Hydroquinone ,Kinetics ,Impregnation ,02 engineering and technology ,010402 general chemistry ,01 natural sciences ,Organic compound ,Industrial and Manufacturing Engineering ,chemistry.chemical_compound ,Clathrates ,Génie chimique ,CO2 capture and storage ,Environmental Chemistry ,Reactivity (chemistry) ,Composite material ,Génie des procédés ,Porosity ,chemistry.chemical_classification ,[CHIM.ORGA]Chemical Sciences/Organic chemistry ,Chemical modification ,General Chemistry ,021001 nanoscience & nanotechnology ,0104 chemical sciences ,chemistry ,Fluidized bed ,0210 nano-technology ,Forming gas - Abstract
International audience; This study addresses both the preparation of a reactive medium composed of porous particles impregnated with hydroquinone (HQ), an organic compound capable of forming gas clathrates, and an evaluation of the kinetic performance of these composite materials for CO2 capture. Two types of porous silica particles of different sizes and pore diameters were tested. The porous particles were impregnated with HQ by a dry impregnation (DI) method in a fluidized bed, and by a wet impregnation (WI) method. The impregnation effectiveness of the two methods is discussed, and the reactivity of the composite materials formed in terms of CO2 capture and storage capacity is studied experimentally. The experimental results showed that the HQ adheres well on the silica without any chemical modification of the deposit’s structure. We demonstrated that the impregnation technique plays a very important role in the kinetics of CO2 capture. A series of experiments performed using a magnetic suspension balance at 3.0 MPa and 323 K showed that the silica-based impregnated particles reversibly capture and store CO2, and that the CO2 capture kinetics are significantly enhanced compared to the results obtained with pure powdered HQ. Finally, we demonstrated that CO2 capture is faster with dry-impregnated particles.
- Published
- 2017
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