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Synthesis and characterization of Magnetic Ionic Liquids (MILs) for CO2 separation

Abstract: BACKGROUND: The behaviour of a new generation of Ionic Liquids (ILs) containing transition metals, Magnetic Ionic Liquids (MILs), has recently been reported in the literature. Due to the early stage of development of MILs, it is necessary to evaluate their properties in order to develop new applications. In this work, four MILs based on the trihexyl(tetradecyl)phosphonium cation and differentmagnetic anions ([P66614]2[CoCl4], [P66614][FeCl4], [P66614]2[MnCl4] and [P66614]3[GdCl6])were synthesized and characterized bymeasuringmagnetic susceptibility, density, viscosity, thermal properties and carbon dioxide solubility for CO2 separation. RESULTS: The magnetic susceptibility showed a paramagnetic behaviour in all the MILs tested, in good agreement with other MILs reported in the literature. The density and viscosity of MILs were obtained experimentally and correlated using Fitteia software. All MILs studied showed very good thermal stability, with decomposition temperatures higher than 619 K. CO2 solubility inthe MILswas lower than in other ILs reported in the literature forCO2 capture under thesameoperational conditions. CONCLUSIONS: This work provides further information related to the synthesis and characterization of phosphonium-based MILs and offers potential for the development of new applications.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Santos E., Albo J., Rosatella A., Afonso C., Irabien A.,

 Fuente: J Chem Technol Biotechnol 2014; 89: 866–871

Editorial: Wiley-Blackwell

 Año de publicación: 2014

Nº de páginas: 6

Tipo de publicación: Artículo de Revista

 DOI: 10.1002/jctb.4323

ISSN: 0268-2575,1097-4660

 Proyecto español: ENE2010-14828

Url de la publicación: http://dx.doi.org/10.1002/jctb.4323