Theoretical and experimental investigation of CO2 separation from CH4 and N2 through supported ionic liquid membranes

2020 ◽  
Vol 268 ◽  
pp. 115016 ◽  
Author(s):  
Zufishan Shamair ◽  
Nitasha Habib ◽  
Mazhar Amjad Gilani ◽  
Asim Laeeq Khan
Keyword(s):  
Experimental Investigation ◽  
Ionic Liquid ◽  
Co2 Separation ◽  
Liquid Membranes ◽  
Supported Ionic Liquid ◽  
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.

scholarly journals Interactions between the Ionic Liquid and the ZrO2 Support in Supported Ionic Liquid Membranes for CO2 Separation

Technologies ◽  
2016 ◽  
Vol 4 (4) ◽  
pp. 32 ◽  
Author(s):  
Cinthia Sánchez-Fuentes ◽  
Sibele Pergher ◽  
Mirella Gutiérrez-Arzaluz ◽  
Violeta Mugica-Álvarez ◽  
Eduardo Terrés ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Co2 Separation ◽  
Liquid Membranes ◽  
Supported Ionic Liquid ◽  
Supported Ionic Liquid Membranes

scholarly journals CO2 separation applying ionic liquid mixtures: the effect of mixing different anions on gas permeation through supported ionic liquid membranes

RSC Advances ◽  
2013 ◽  
Vol 3 (30) ◽  
pp. 12220 ◽  
Author(s):  
Liliana C. Tomé ◽  
David J. S. Patinha ◽  
Carmen S. R. Freire ◽  
Luís Paulo N. Rebelo ◽  
Isabel M. Marrucho
Keyword(s):  
Ionic Liquid ◽  
Liquid Mixtures ◽  
Gas Permeation ◽  
Co2 Separation ◽  
Liquid Membranes ◽  
Supported Ionic Liquid ◽  
Supported Ionic Liquid Membranes

scholarly journals Mechanically robust hollow fiber supported ionic liquid membranes for CO2 separation applications

2014 ◽  
Vol 470 ◽  
pp. 52-59 ◽  
Author(s):  
Shan Wickramanayake ◽  
David Hopkinson ◽  
Christina Myers ◽  
Lei Hong ◽  
Jie Feng ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Hollow Fiber ◽  
Co2 Separation ◽  
Liquid Membranes ◽  
Supported Ionic Liquid ◽  
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.

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