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Magnetic Modulation of the Transport of Organophilic Solutes through Supported Magnetic Ionic Liquid Membranes.

  1. 1.
    0456268 - UCHP-M 2016 RIV NL eng J - Článek v odborném periodiku
    Daniel, C.L. - Rubio, A.M. - Sebastião, P.J. - Afonso, C.A.M. - Storch, Jan - Izák, Pavel - Portugal, C.A.M. - Crespo, J.G.
    Magnetic Modulation of the Transport of Organophilic Solutes through Supported Magnetic Ionic Liquid Membranes.
    Journal of Membrane Science. Roč. 505, MAY 1 (2016), s. 36-43. ISSN 0376-7388
    Grant CEP: GA ČR(CZ) GAP106/12/0569
    Grant ostatní:ERANET(PT) ERA-CHEM/0001/2008; EUI(ES) 2008- 03857; FCT-MCTES(PT) SFRH/BD/81552/2011
    Institucionální podpora: RVO:67985858
    Klíčová slova: magnetic ionic liquids (MILs) * solute transport modulation * magnetic field
    Kód oboru RIV: CI - Průmyslová chemie a chemické inženýrství
    Obor OECD: Chemical process engineering
    Impakt faktor: 6.035, rok: 2016

    The present work evaluates the influence of magnetic field on the transport of two model organic compounds, ibuprofen and α – pinene, through supported magnetic ionicliquids membranes. The membranes studied were prepared by incorporation of magnetic ionic liquids (MILs), [C11H21N2O] [GdCl3Br3], with [C4mim] [FeCl4] and with [C8mim] [FeCl4]. Transport studies were conducted in the absence and presence of a magnetic field with an intensity of 1.2 T. The results obtained show that the magnetic field increases the diffusion coefficient of ibuprofen and α – pinene, improving their transport through the SMILM. The two transport studies performed, α – pinene in dodecane through a SMILM with [C4mim] [FeCl4], and α – pinene in hexane through a SMILM with [C8mim] [FeCl4], revealed a permeability increase of 51% and 29% respectively when exposed to the magnetic field, whereas transport studies of ibuprofen in dodecane through C11H21BrCl3GdN2O MIL showed a permeability increase of 59% under the same magnetic field conditions. The analysis of the magnetic field influence on solute permeation revealed that the
    permeability increase observed cannot be solely interpreted due to a decrease of MILs viscosity induced by the magnetic field. The magnetic dependence of solutes solubility in the MILs should also be considered.
    Trvalý link: http://hdl.handle.net/11104/0256847
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