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Crosslinked Facilitated Transport Membranes Based on Carboxymethylated NFC and Amine-Based Fixed Carriers for Carbon Capture, Utilization, and Storage Applications

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InoFib, 461 rue de la Papeterie, CEDEX, CS10065 F-38402 St-Martin-d’Hères, France
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School of Engineering, University of Edinburgh, Robert Stevenson Road, Edinburgh EH9 3FB, UK
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University Grenoble Alpes, CNRS, Grenoble INP, LGP2, F-38000 Grenoble, France
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Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(1), 414; https://doi.org/10.3390/app10010414
Received: 30 November 2019 / Revised: 20 December 2019 / Accepted: 27 December 2019 / Published: 6 January 2020
(This article belongs to the Special Issue Preparation, Characterization and Modelling of Advanced Membranes)
Herein, we report the performances of crosslinked facilitated transport membranes based on carboxymethylated nanofibrils of cellulose (cmNFC) and polyvinylamine (PVAm) with the use of 3-(2-Aminoethylamino) propyltrimethoxysilane (AEAPTMS) as second fixed carrier for CO2 selectivity and permeability. The grafting of AEAPTMS on cmNFC was optimized by following the hydrolysis/condensation kinetics by 29Si Nuclear Magnetic Resonance (NMR) analyses and two different strategies of the process of membrane production were investigated. In optimized conditions, around 25% of the -COOH functions from cmNFC have crosslinked with PVAm. The crosslinked membranes were less sensitive to liquid water and the crystallinity of PVAm was tuned by the conditions of the membrane elaboration. In both processes, CO2 selectivity and permeability were enhanced especially at high water vapor concentration by the use of PVAm and AEAPTMS suggesting the existence of a facilitation effect due to amine-CO2 interaction, while the mechanical integrity of the swollen membranes remained intact. View Full-Text
Keywords: amine-based fixed site carrier crosslinked facilitated transport membranes; carboxymethylated nanofibrils of cellulose; carbon capture utilization and storage amine-based fixed site carrier crosslinked facilitated transport membranes; carboxymethylated nanofibrils of cellulose; carbon capture utilization and storage
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Dhuiège, B.; Lasseuguette, E.; Brochier-Salon, M.-C.; Ferrari, M.-C.; Missoum, K. Crosslinked Facilitated Transport Membranes Based on Carboxymethylated NFC and Amine-Based Fixed Carriers for Carbon Capture, Utilization, and Storage Applications. Appl. Sci. 2020, 10, 414.

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