Cholinium-based supported ionic liquid membranes: a sustainable route for carbon dioxide separation

ChemSusChem. 2014 Jan;7(1):110-3. doi: 10.1002/cssc.201300613. Epub 2013 Oct 31.

Abstract

Aiming at full sustainability of CO2 separation processes, a series of supported ionic liquid membranes based on environmentally friendly cholinium carboxylate ionic liquids were successfully prepared. Their gas permeation properties were measured and high permselectivities were obtained for both CO2 /CH4 and CO2 /N2 .

Keywords: cholinium carboxylate; gas separation; ionic liquids; membranes; viscosity.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Carbon Dioxide / chemistry*
  • Carbon Sequestration
  • Ionic Liquids / chemistry*
  • Membranes, Artificial*
  • Methane / chemistry
  • Nitrogen / chemistry
  • Quaternary Ammonium Compounds / chemistry*

Substances

  • Ionic Liquids
  • Membranes, Artificial
  • Quaternary Ammonium Compounds
  • Carbon Dioxide
  • Nitrogen
  • Methane