scholarly journals Supported Ionic Liquid Membranes for Metal Separation

10.5772/65754 ◽  
2017 ◽  
Author(s):  
Pius Dore Ola ◽  
Michiaki Matsumoto
Keyword(s):  
Ionic Liquid ◽  
Liquid Membranes ◽  
Supported Ionic Liquid ◽  
Metal Separation ◽  
Supported Ionic Liquid Membranes

scholarly journals Investigating the Proton and Ion Transfer Properties of Supported Ionic Liquid Membranes Prepared for Bioelectrochemical Applications Using Hydrophobic Imidazolium-Type Ionic Liquids

Membranes ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 359
Author(s):  
László Koók ◽  
Piroska Lajtai-Szabó ◽  
Péter Bakonyi ◽  
Katalin Bélafi-Bakó ◽  
Nándor Nemestóthy
Keyword(s):  
Mass Transfer ◽  
Ionic Liquid ◽  
Ionic Liquids ◽  
Microbial Fuel Cells ◽  
Transport Numbers ◽  
Liquid Membranes ◽  
Ion Transfer ◽  
Supported Ionic Liquid ◽  
Supported Ionic Liquid Membranes ◽  
Transfer Properties

Hydrophobic ionic liquids (IL) may offer a special electrolyte in the form of supported ionic liquid membranes (SILM) for microbial fuel cells (MFC) due to their advantageous mass transfer characteristics. In this work, the proton and ion transfer properties of SILMs made with IL containing imidazolium cation and [PF6]− and [NTf2]− anions were studied and compared to Nafion. It resulted that both ILs show better proton mass transfer and diffusion coefficient than Nafion. The data implied the presence of water microclusters permeating through [hmim][PF6]-SILM to assist the proton transfer. This mechanism could not be assumed in the case of [NTf2]− containing IL. Ion transport numbers of K+, Na+, and H+ showed that the IL with [PF6]− anion could be beneficial in terms of reducing ion transfer losses in MFCs. Moreover, the conductivity of [bmim][PF6]-SILM at low electrolyte concentration (such as in MFCs) was comparable to Nafion.

Tailoring supported ionic liquid membranes for the selective separation of transesterification reaction compounds

2009 ◽  
Vol 328 (1-2) ◽  
pp. 81-85 ◽  
Author(s):  
Antonia P. de los Ríos ◽  
Francisco J. Hernández-Fernández ◽  
Hugo Presa ◽  
Demetrio Gómez ◽  
Gloria Víllora
Keyword(s):  
Ionic Liquid ◽  
Selective Separation ◽  
Transesterification Reaction ◽  
Liquid Membranes ◽  
Supported Ionic Liquid ◽  
Supported Ionic Liquid Membranes

Supported Ionic Liquid Membranes: Preparation, Stability and Applications

2012 ◽  
pp. 275-288
Author(s):  
A. P. de los Ríos ◽  
F. J. Hernández-Fernández ◽  
L. J. Lozano ◽  
C. Godínez
Keyword(s):  
Ionic Liquid ◽  
Liquid Membranes ◽  
Supported Ionic Liquid ◽  
Supported Ionic Liquid Membranes

scholarly journals The Effect of Microporous Polymeric Support Modification on Surface and Gas Transport Properties of Supported Ionic Liquid Membranes

Membranes ◽  
2015 ◽  
Vol 6 (1) ◽  
pp. 4 ◽  
Author(s):  
Alsu Akhmetshina ◽  
Ilsiya Davletbaeva ◽  
Ekaterina Grebenschikova ◽  
Tatyana Sazanova ◽  
Anton Petukhov ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Transport Properties ◽  
Gas Transport ◽  
Liquid Membranes ◽  
Polymeric Support ◽  
Supported Ionic Liquid ◽  
Gas Transport Properties ◽  
Supported Ionic Liquid Membranes

scholarly journals Hybrid Ionic Liquid-Chitosan Membranes for CO2 Separation: Mechanical and Thermal Behavior

2016 ◽  
Vol 14 (3) ◽  
pp. 713-718 ◽  
Author(s):  
Esther Santos ◽  
Enrique Rodríguez-Fernández ◽  
Clara Casado-Coterillo ◽  
Ángel Irabien
Keyword(s):  
Activation Energy ◽  
Ionic Liquid ◽  
Thermal Behavior ◽  
Gas Permeability ◽  
Co2 Separation ◽  
Liquid Membranes ◽  
Temperature Influence ◽  
Supported Ionic Liquid ◽  
Chitosan Membranes ◽  
Supported Ionic Liquid Membranes

Abstract Pure chitosan (CS) and hybrid ionic liquid-chitosan membranes loaded with 5 wt% 1-ethyl-3-methylimidazolium acetate ([emim][Ac]) ionic liquid were prepared in order to improve the thermal behavior of supported ionic liquid membranes (SILMs) for CO2 separation. Gas permeability, solubility and diffusivity were evaluated in the temperature range 298–323 K. The temperature influence was well described in terms of the Arrhenius–van’t Hoff exponential relationships. Activation energies were calculated and compared with those obtained for SILMs with the same ionic liquid. The introduction of this ionic liquid in the hybrid solid membrane decreases the permeability activation energy, leading to a lower influence of the temperature in the permeability and diffusivity. Moreover, the thermal behavior is similar to pure chitosan membranes, and the mechanical strength and flexibility were improved due to the introduction of the ionic liquid in the polymer matrix.

Sign in / Sign up

Export Citation Format

Share Document