Membranes with a low loading of Metal-Organic Framework-Supported Ionic Liquids for CO2/N-2 separation in CO2 capture


Immobilization of ionic liquids (ILs) into 3D metal-organic frameworks (MOFs) is reported. The incorporation of these composites in a polyimide-based matrix (Matrimid (R) 5218) to yield [IL@MOF]@Matrimid (R) 5218 is an efficient strategy to improve the permeability and selectivity toward CO2/N-2 mixtures, presenting also a remarkable improvement in membrane flexibility and mechanical resistance. Using MOF-5, a crystalline phase different to its original phase is obtained after the incorporation of hydrated IL without loss of adsorptive properties.




Energy & Fuels


Monteiro, B; Nabais, AR; Paz, FAA; Cabrita, L; Branco, LC; Marrucho, IM; Neves, LA; Pereira, CCL

nossos autores


This work has been supported by Fundacao para a Ciencia e a Tecnologia SFRH/BPD/108959/2015 (C.C.L.P.) and SFRH/BPD/47087/2008 (B.M.) and the exploratory project grant IF/00505/2014/CP1224/CT0004 attributed within the 2014 FCT Researcher Program (L.N.). The NMR spectrometers are part of The National NMR Facility, supported by Fundacao para Ciencia e a Tecnologia (RECI/BBB-BQB/0230/2012). This work was supported by the Associated Laboratory for Sustainable Chemistry-Clean Processes and Technologies (LAQV), which is financed by national funds from FCT/MEC (UID/QUI/50006/2013) and co-financed by the ERDF under the PT2020 Partnership Agreement (POCI-01-0145-FEDER-007265). This work was also developed within the scope of the project CICECO-Aveiro Institute of Materials, POCI-01-0145-FEDER-007679 (FCT Ref. UID / CTM/50011/2013), financed by national funds through the FCT/MEC and when appropriate co-financed by FEDER under the PT2020 Partnership Agreement.

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