Membranes with a low loading of Metal–Organic Framework-Supported Ionic Liquids for CO2/N2 separation in CO2 capture

Bernardo Monteiro, Ana Rita Nabais, Filipe A. Almeida Paz, Luis Cabrita, Luis C. Branco, Isabel M. Marrucho, Luisa A. Neves, Cláudia C.L. Pereira

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Immobilization of ionic liquids (ILs) into 3D metal–organic frameworks (MOFs) is reported. The incorporation of these composites in a polyimide-based matrix (Matrimid® 5218) to yield [IL@MOF]@Matrimid® 5218 is an efficient strategy to improve the permeability and selectivity toward CO2/N2 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.

Original languageEnglish
Pages (from-to)2158-2162
Number of pages5
JournalEnergy Technology
Volume5
Issue number12
DOIs
Publication statusPublished - 1 Dec 2017

Keywords

  • carbon dioxide capture
  • ionic liquids
  • membranes
  • metal-organic frameworks
  • selectivities

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