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Drake AD, He Y, Ladipo F, Knutson BL, Rankin SE. Effect of Pore Confinement of Ionic Liquids on Solute Diffusion within Mesoporous Silica Microparticles. J Phys Chem B 2024. [PMID: 38478906 DOI: 10.1021/acs.jpcb.4c01018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
The transport properties of the ionic liquid (IL) 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF6]) confined within silica microparticles with well-ordered, accessible mesopores (5.4 or 9 nm diameter) were investigated. [BMIM][PF6] confinement was confirmed by using differential scanning calorimetry (DSC) and Fourier transform infrared (FTIR) spectroscopy. The transport properties of the confined IL were studied using the neutral and cationic fluorescent probes 4-(dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran (DCM) and rhodamine 6G, respectively, through fluorescence recovery after photobleaching (FRAP) in confocal microscopy. The diffusivity of DCM in 9 nm pores is 0.026 ± 0.0091 μm2/s, which is 2 orders of magnitude less than in the bulk ionic liquid. The pore size did not affect the diffusivity of DCM in unmodified silica nanopores. The diffusivity of the cationic probe is reduced by 63% relative to that of the neutral probe. Diffusivity is increased with water content, where equilibrium hydration of the system leads to a 37% increase in DCM diffusivity. The most dramatic impact on diffusivity was caused by tethering an IL-like methylimidazolium chloride group to the pores, which increased the pore hydrophobicity and resulted in 3-fold higher diffusivity of DCM compared to bare silica pores. Subsequent exchange of the chloride anion from the tethering group with PF6- decreased the diffusivity to half that of bare silica. The diffusion of probe molecules is affected most strongly by the pore wall effects on probe interactions rather than by the pore size itself, which suggests that understanding pore wall diffusion is critical to the design of nanoconfined ILs for separations, catalysis, and energy storage.
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Affiliation(s)
- Andrew D Drake
- Department of Chemical and Materials Engineering, University of Kentucky, 177 F.P. Anderson Tower, Lexington, Kentucky 40506-0046, United States
| | - Yuxin He
- Department of Chemical and Materials Engineering, University of Kentucky, 177 F.P. Anderson Tower, Lexington, Kentucky 40506-0046, United States
| | - Folami Ladipo
- Department of Chemistry, University of Kentucky, 125 Chemistry/Physics Building, Lexington, Kentucky 40506-0055, United States
| | - Barbara L Knutson
- Department of Chemical and Materials Engineering, University of Kentucky, 177 F.P. Anderson Tower, Lexington, Kentucky 40506-0046, United States
| | - Stephen E Rankin
- Department of Chemical and Materials Engineering, University of Kentucky, 177 F.P. Anderson Tower, Lexington, Kentucky 40506-0046, United States
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Sharma A, Leverant CJ, Richards D, Beamis CP, Spoerke ED, Percival SJ, Rempe SB, Vanegas JM. Transport and Energetics of Carbon Dioxide in Ionic Liquids at Aqueous Interfaces. J Phys Chem B 2023. [PMID: 38048268 DOI: 10.1021/acs.jpcb.3c05946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2023]
Abstract
A major hurdle in utilizing carbon dioxide (CO2) lies in separating it from industrial flue gas mixtures and finding suitable storage methods that enable its application in various industries. To address this issue, we utilized a combination of molecular dynamics simulations and experiments to investigate the behavior of CO2 in common room-temperature ionic liquids (RTIL) when in contact with aqueous interfaces. Our investigation of RTILs, [EMIM][TFSI] and [OMIM][TFSI], and their interaction with a pure water layer mimics the environment of a previously developed ultrathin enzymatic liquid membrane for CO2 separation. We analyzed diffusion constants and viscosity, which reveals that CO2 molecules exhibit faster mobility within the selected ILs compared to what would be predicted solely based on the viscosity of the liquids using the standard Einstein-Stokes relation. Moreover, we calculated the free energy of translocation for various species across the aqueous-IL interface, including CO2 and HCO3-. Free energy profiles demonstrate that CO2 exhibits a more favorable partitioning behavior in the RTILs compared to that in pure water, while a significant barrier hinders the movement of HCO3- from the aqueous layer. Experimental measurement of the CO2 transport in the RTILs corroborates the model. These findings strongly suggest that hydrophobic RTILs could serve as a promising option for selectively transporting CO2 from aqueous media and concentrating it as a preliminary step toward storage.
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Affiliation(s)
- Arjun Sharma
- Department of Physics, University of Vermont, Burlington, Vermont 05405, United States
| | - Calen J Leverant
- Nanoscale Sciences Department, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
| | - Danielle Richards
- Electronic, Optical, and Nano Department, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
| | | | - Erik D Spoerke
- Electronic, Optical, and Nano Department, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
| | - Stephen J Percival
- Electronic, Optical, and Nano Department, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
| | - Susan B Rempe
- Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
| | - Juan M Vanegas
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, Oregon 97331, United States
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Mulk WU, Hassan Shah MU, Shah SN, Zhang QJ, Khan AL, Sheikh M, Younas M, Rezakazemi M. Enhancing CO 2 separation from N 2 mixtures using hydrophobic porous supports immobilized with tributyl-tetradecyl-phosphonium chloride [P 44414][Cl]. ENVIRONMENTAL RESEARCH 2023; 237:116879. [PMID: 37579965 DOI: 10.1016/j.envres.2023.116879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 07/29/2023] [Accepted: 08/11/2023] [Indexed: 08/16/2023]
Abstract
The main obstacles in adopting solvent-based CO2 capture technology from power plant flue gases at the industrial scale are the energy requirements for solvent regeneration and their toxicity. These challenges can be overcome using new green and more stable ionic liquids (ILs) as solvents for post-combustion CO2 capture. In the current study, tributyl-tetradecyl-phosphonium chloride [P44414][Cl] as an IL, was immobilized on hydrophobic porous supports of polypropylene (PP), polyvinylidene fluoride (PVDF), and polytetrafluoroethylene (PTFE) at 298 ± 3 K and pressures up to 2 bar. The surface morphology indicated homogenous immobilization of the IL on the membrane support. Supported ionic liquid membranes (SILMs) were tested for CO2 permeability and CO2/N2 selectivity. None of the SILMs exhibited IL leaching up to 2 bar. The PTFE-based SILM performed better than other supports with minimum loss in water contact angle (WCA) and achieved good antiwetting with a maximum CO2 permeability and selectivity over N2 of 2300 ± 139 Barrer and 31.60 ± 2.4, respectively. This work achieves CO2 permeability about two-fold more than other works having CO2/N2 selectivity range of 25-35 in similar SILMs. The diffusivity of CO2 and N2 in [P44414][Cl] was measured as 3.64 ± 0.18 and 2.01 ± 0.09 [10-8 cm2 s-1] and CO2 and N2 solubility values were 9.79 ± 0.47 and 0.19 ± 0.001 [10-2 cm3(STP) cm-3 cmHg-1], respectively. The high values of Young's modulus and tensile strength of the PTFE support-based SILM (234 ± 12 MPa and 6.07 ± 0.31 MPa, respectively) indicated the long-term application of SILM in flue gas separation. The results indicated phosphonium chloride-based ILs could be better solvent candidates for CO2 removal from large volumes of flue gases than amine-based ILs.
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Affiliation(s)
- Waqad Ul Mulk
- Department of Mechanical Engineering, Faculty of Mechanical and Aeronautical Engineering, University of Engineering and Technology, Taxila, 47080, Rawalpindi, Pakistan; Department of Mechanical Engineering, Universiti Teknologi Petronas, 32610 Bandar Seri Iskandar, Perak Darul Ridzuan, Malaysia
| | - Mansoor Ul Hassan Shah
- Department of Chemical Engineering, Faculty of Mechanical, Chemical, and Industrial Engineering, University of Engineering and Technology, Peshawar, 25120, Pakistan
| | - Syed Nasir Shah
- Research & Development Centre, Dubai Electricity and Water Authority (DEWA), P.O. Box 564, Dubai, United Arab Emirates
| | - Qi-Jun Zhang
- CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen, 361021, China
| | - Asim Laeeq Khan
- Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus, Pakistan
| | - Mahdi Sheikh
- Chemical Engineering Department, Escola D'Enginyeria de Barcelona Est (EEBE), Universitat Politécnica de Catalunya (UPC)-BarcelonaTECH, C/ Eduard Maristany 10-14, Campus Diagonal-Besós, 08930 Barcelona, Spain
| | - Mohammad Younas
- Department of Chemical Engineering, Faculty of Mechanical, Chemical, and Industrial Engineering, University of Engineering and Technology, Peshawar, 25120, Pakistan; CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen, 361021, China.
| | - Mashallah Rezakazemi
- Faculty of Chemical and Materials Engineering, Shahrood University of Technology, Shahrood, Iran.
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Mulk WU, Ali SA, Shah SN, Shah MUH, Zhang QJ, Younas M, Fatehizadeh A, Sheikh M, Rezakazemi M. Breaking boundaries in CO2 capture: Ionic liquid-based membrane separation for post-combustion applications. J CO2 UTIL 2023; 75:102555. [DOI: 10.1016/j.jcou.2023.102555] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
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Sanni SE, Vershima DA, Okoro EE, Oni BA. Technological advancements in the use of ionic liquid- membrane systems for CO 2 capture from biogas/flue gas - A review. Heliyon 2022; 8:e12233. [PMID: 36582712 PMCID: PMC9792796 DOI: 10.1016/j.heliyon.2022.e12233] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/28/2022] [Accepted: 12/01/2022] [Indexed: 12/23/2022] Open
Abstract
Carbon capture has become a very important method for curbing the problems associated with the release of carbon dioxide into the atmosphere, which in turn has detrimental effects on the planet and its inhabitants. Ionic liquids and membrane separation have been explored in this review paper as effective means of capturing carbon dioxide. An innovative approach to CO2 capture is the use of Ionic liquids (ILs) since they exhibit certain significant traits such as good stability (thermal, mechanical and chemical), inflammability and high absorptive capacities. Ionic liquids (ILs) are widely regarded as nontoxic substances. Viscosity and thermal degradation of ILs at temperatures slightly above 100 °C are the major disadvantages of ILs. Membrane separation is a technique used for the effective separation of substances by materials bearing holes in a continuous structure. Membrane technology has gained significant improvements, over the years. Several ILs and membrane systems were considered in this work. Their weaknesses, strengths, permeability, selectivity, operating conditions and carbon capture efficiencies, were all highlighted in order to gain a good perspective on ways by which the individual systems can be improved upon. The study considered several polymer-Ionic liquid hybrid materials as viable options for CO2 capture from a post-combustion process. Different ILs were scrutinized for possible integration in membranes by taking full advantage of their individual properties and harnessing their tune-able characteristics in order to improve the overall carbon capture performance of the system. Several options for improving the mechanical, chemical, and thermal stabilities of the hybrid systems were considered including the use of cellulose acetate membrane, nanoparticles (graphene oxide powder) alongside potential ionic liquids. Doping membranes with ILs and nanoparticulates such as graphene oxide serves as a potential method for enhancing the CO2 capture of membranes and this review provides several evidences that serve as proofs for this concept.
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Affiliation(s)
- Samuel Eshorame Sanni
- Department of Chemical Engineering, Covenant University, Ota, Ogun, Nigeria,Corresponding author:
| | | | - Emeka Emmanuel Okoro
- Department of Petroleum Engineering, University of Port Harcourt, Choba, Rivers State, Nigeria
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Nguyen T, Bavarian M, Nejati S. Correlating the Macrostructural Variations of an Ion Gel with Its Carbon Dioxide Sorption Capacity. MEMBRANES 2022; 12:1087. [PMID: 36363642 PMCID: PMC9694987 DOI: 10.3390/membranes12111087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 10/23/2022] [Indexed: 06/16/2023]
Abstract
We report on a direct correlation between the macroscale structural variations and the gas sorption capacities of an ion gel. Here, we chose 1-ethyl-3-methylimidazolium bis(trifluoromethyl sulfonyl)imide ([Emim][TF2N]) and poly(vinylidene fluoride)-co-hexafluoropropylene (PVDF-HFP) as the ionic liquid and host polymer, respectively. The CO2 sorption in the thin films of the IL-polymer was measured using the gravimetric method. The results of our experiment showed that the trend in CO2 uptake of these mixtures was nonlinearly correlated with the content of IL. Here, we highlight that the variations in the molecular structure of the polymers were the main reason behind the observed trend. The presented data suggested the possibility of using the composition of mixtures containing IL and polymers to realize a synergistic gain for gas sorption in these mixtures.
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Patil T, Dharaskar S, Sinha M, Jampa SS. Effectiveness of ionic liquid-supported membranes for carbon dioxide capture: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:35723-35745. [PMID: 35260978 DOI: 10.1007/s11356-022-19586-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
The world's population explosion creates a need for natural resources for energy, which will become a significant contributor to global climate change. As we all know, carbon dioxide (CO2) is one of the most critical elements of the global greenhouse gas effect. CO2 capture and storage innovations have piqued researchers' attention in recent decades. Compared to other methods, membrane separation has some positive performance in CO2 capture. CO2 capture with membrane separation using enhanced ionic liquids (ILs) is described in this review. ILs have made an appearance in CO2 capture work as the potential additive, and companies and academics have been interested in CO2 separation for the past two decades. This article comprehensively analyzes the current modern approach in ILs and IL-based membranes for gas separation processes. Based on the latest literature and performance data, this work provides a complete compressive examination of types of ILs and IL-supported membrane performances. ILs for CO2 capture were also explored, and IL-based membranes for different ILs were also studied. This study emphasizes the supremacy of novel ILs for CO2 capture in membrane separation.
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Affiliation(s)
- Tushar Patil
- CO2 Research Group, Department of Chemical Engineering, School of Technology, Pandit Deendayal Energy University, 382426, Raisan, Gandhinagar, India
| | - Swapnil Dharaskar
- CO2 Research Group, Department of Chemical Engineering, School of Technology, Pandit Deendayal Energy University, 382426, Raisan, Gandhinagar, India.
| | - Manishkumar Sinha
- CO2 Research Group, Department of Chemical Engineering, School of Technology, Pandit Deendayal Energy University, 382426, Raisan, Gandhinagar, India
| | - Surendra Sasikumar Jampa
- CO2 Research Group, Department of Chemical Engineering, School of Technology, Pandit Deendayal Energy University, 382426, Raisan, Gandhinagar, India
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Ziobrowski Z, Rotkegel A. Comparison of CO 2 Separation Efficiency from Flue Gases Based on Commonly Used Methods and Materials. MATERIALS 2022; 15:ma15020460. [PMID: 35057178 PMCID: PMC8780194 DOI: 10.3390/ma15020460] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/31/2021] [Accepted: 01/05/2022] [Indexed: 02/01/2023]
Abstract
The comparison study of CO2 removal efficiency from flue gases at low pressures and temperatures is presented, based on commonly used methods and materials. Our own experimental results were compared and analyzed for different methods of CO2 removal from flue gases: absorption in a packed column, adsorption in a packed column and membrane separation on polymeric and ceramic membranes, as well as on the developed supported ionic liquid membranes (SILMs). The efficiency and competitiveness comparison of the investigated methods showed that SILMs obtained by coating of the polydimethylsiloxane (PDMS) membrane with 1-ethyl-3-methylimidazolium acetate ([Emim][Ac]) exhibit a high ideal CO2/N2 selectivity of 152, permeability of 2400 barrer and long term stability. Inexpensive and selective SILMs were prepared applying commercial membranes. Under similar experimental conditions, the absorption in aqueous Monoethanolamine (MEA) solutions is much faster than in ionic liquids (ILs), but gas and liquid flow rates in packed column sprayed with IL are limited due to the much higher viscosity and lower diffusion coefficient of IL. For CO2 adsorption on activated carbons impregnated with amine or IL, only a small improvement in the adsorption properties was achieved. The experimental research was compared with the literature data to find a feasible solution based on commercially available methods and materials.
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Rahmani F, Scovazzo P, Pasquinelli MA, Nouranian S. Effects of Ionic Liquid Nanoconfinement on the CO 2/CH 4 Separation in Poly(vinylidene fluoride)/1-Ethyl-3-methylimidazolium Thiocyanate Membranes. ACS APPLIED MATERIALS & INTERFACES 2021; 13:44460-44469. [PMID: 34495628 DOI: 10.1021/acsami.1c13169] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A combined experimental and molecular dynamics (MD) simulation approach was used to investigate the effects of the nanoconfinement of a highly CO2/CH4-selective ionic liquid (IL), 1-ethyl-3-methylimidazolium thiocyanate ([EMIM][SCN]), in porous poly(vinylidene fluoride) (PVDF) matrices on the gas separation performance of the resulting membranes. The observed experimental CO2/CH4 permselectivity increased by about 46% when the nominal pore diameter in PVDF, which is a measure of nanoconfinement, decreased from 450 to 100 nm, thus demonstrating nanoconfinement improvements of gas separation. MD simulations corroborated these experimental observations and indicated a suppression in the sorption of CH4 by [EMIM][SCN] when the IL nanoconfinement length decreased within the nonpolar PVDF surfaces. This is consistent with the experimental observation that the CH4 permeance through the IL confined in nonpolar PVDF is significantly less than the CH4 permeance through the IL confined in a water-wetting polar formulation of PVDF. The potential of mean force calculations further indicated that CO2 has more affinity to the nonpolar PVDF surface than CH4. Also, a charge/density distribution analysis of the IL in the PVDF-confined region revealed a layering of the IL into [EMIM]- and [SCN]-rich regions, where CH4 was preferentially distributed in the former and CO2 in the latter. These molecular insights into the nanoconfinement-driven mechanisms in polymer/IL membranes provide a framework for a better molecular design of such membranes for critical gas separation and CO2 capture applications.
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Affiliation(s)
- Farzin Rahmani
- Department of Forest Biomaterials, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Paul Scovazzo
- Department of Chemical Engineering, University of Mississippi, Oxford, Mississippi 38677, United States
| | - Melissa A Pasquinelli
- Department of Forest Biomaterials, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Sasan Nouranian
- Department of Chemical Engineering, University of Mississippi, Oxford, Mississippi 38677, United States
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Ishaq M, Gilani MA, Ahmad F, Afzal ZM, Arshad I, Bilad MR, Ayub K, Khan AL. Theoretical and experimental investigation of CO2 capture through choline chloride based supported deep eutectic liquid membranes. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116234] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Friess K, Izák P, Kárászová M, Pasichnyk M, Lanč M, Nikolaeva D, Luis P, Jansen JC. A Review on Ionic Liquid Gas Separation Membranes. MEMBRANES 2021; 11:97. [PMID: 33573138 PMCID: PMC7911519 DOI: 10.3390/membranes11020097] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 01/25/2021] [Accepted: 01/25/2021] [Indexed: 02/02/2023]
Abstract
Ionic liquids have attracted the attention of the industry and research community as versatile solvents with unique properties, such as ionic conductivity, low volatility, high solubility of gases and vapors, thermal stability, and the possibility to combine anions and cations to yield an almost endless list of different structures. These features open perspectives for numerous applications, such as the reaction medium for chemical synthesis, electrolytes for batteries, solvent for gas sorption processes, and also membranes for gas separation. In the search for better-performing membrane materials and membranes for gas and vapor separation, ionic liquids have been investigated extensively in the last decade and a half. This review gives a complete overview of the main developments in the field of ionic liquid membranes since their first introduction. It covers all different materials, membrane types, their preparation, pure and mixed gas transport properties, and examples of potential gas separation applications. Special systems will also be discussed, including facilitated transport membranes and mixed matrix membranes. The main strengths and weaknesses of the different membrane types will be discussed, subdividing them into supported ionic liquid membranes (SILMs), poly(ionic liquids) or polymerized ionic liquids (PILs), polymer/ionic liquid blends (physically or chemically cross-linked 'ion-gels'), and PIL/IL blends. Since membrane processes are advancing as an energy-efficient alternative to traditional separation processes, having shown promising results for complex new separation challenges like carbon capture as well, they may be the key to developing a more sustainable future society. In this light, this review presents the state-of-the-art of ionic liquid membranes, to analyze their potential in the gas separation processes of the future.
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Affiliation(s)
- Karel Friess
- Department of Physical Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague, Czech Republic; (K.F.); (P.I.); (M.L.)
- Czech Academy of Sciences, Institute of Chemical Process Fundamentals, Rozvojová 135, 165 02 Prague, Czech Republic; (M.K.); (M.P.)
| | - Pavel Izák
- Department of Physical Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague, Czech Republic; (K.F.); (P.I.); (M.L.)
- Czech Academy of Sciences, Institute of Chemical Process Fundamentals, Rozvojová 135, 165 02 Prague, Czech Republic; (M.K.); (M.P.)
| | - Magda Kárászová
- Czech Academy of Sciences, Institute of Chemical Process Fundamentals, Rozvojová 135, 165 02 Prague, Czech Republic; (M.K.); (M.P.)
| | - Mariia Pasichnyk
- Czech Academy of Sciences, Institute of Chemical Process Fundamentals, Rozvojová 135, 165 02 Prague, Czech Republic; (M.K.); (M.P.)
| | - Marek Lanč
- Department of Physical Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague, Czech Republic; (K.F.); (P.I.); (M.L.)
| | - Daria Nikolaeva
- Materials & Process Engineering, UCLouvain, Place Sainte Barbe 2, 1348 Louvain-la-Neuve, Belgium; (D.N.); (P.L.)
| | - Patricia Luis
- Materials & Process Engineering, UCLouvain, Place Sainte Barbe 2, 1348 Louvain-la-Neuve, Belgium; (D.N.); (P.L.)
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Rashid TU. Ionic liquids: Innovative fluids for sustainable gas separation from industrial waste stream. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114916] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Raut P, Yuan S, Miyoshi T, Jana SC. Effects of surface area and porosity on behavior of IL molecules in meso and macroporous polymeric networks. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.123081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Key Applications and Potential Limitations of Ionic Liquid Membranes in the Gas Separation Process of CO 2, CH 4, N 2, H 2 or Mixtures of These Gases from Various Gas Streams. Molecules 2020; 25:molecules25184274. [PMID: 32961921 PMCID: PMC7570638 DOI: 10.3390/molecules25184274] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 09/05/2020] [Accepted: 09/12/2020] [Indexed: 11/23/2022] Open
Abstract
Heightened levels of carbon dioxide (CO2) and other greenhouse gases (GHGs) have prompted research into techniques for their capture and separation, including membrane separation, chemical looping, and cryogenic distillation. Ionic liquids, due to their negligible vapour pressure, thermal stability, and broad electrochemical stability have expanded their application in gas separations. This work provides an overview of the recent developments and applications of ionic liquid membranes (ILMs) for gas separation by focusing on the separation of carbon dioxide (CO2), methane (CH4), nitrogen (N2), hydrogen (H2), or mixtures of these gases from various gas streams. The three general types of ILMs, such as supported ionic liquid membranes (SILMs), ionic liquid polymeric membranes (ILPMs), and ionic liquid mixed-matrix membranes (ILMMMs) for the separation of various mixed gas systems, are discussed in detail. Furthermore, issues, challenges, computational studies and future perspectives for ILMs are also considered. The results of the analysis show that SILMs, ILPMs, and the ILMMs are very promising membranes that have great potential in gas separation processes. They offer a wide range of permeabilities and selectivities for CO2, CH4, N2, H2 or mixtures of these gases. In addition, a comparison was made based on the selectivity and permeability of SILMs, ILPMs, and ILMMMs for CO2/CH4 separation based on a Robeson’s upper bound curves.
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Deng Z, Wan T, Chen D, Ying W, Zeng YJ, Yan Y, Peng X. Photothermal-Responsive Microporous Nanosheets Confined Ionic Liquid for Efficient CO 2 Separation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2002699. [PMID: 32700376 DOI: 10.1002/smll.202002699] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 06/11/2020] [Indexed: 06/11/2023]
Abstract
2D materials hold promising potential for novel gas separation. However, a lack of in-plane pores and the randomly stacked interplane channels of these membranes still hinder their separation performance. In this work, ferrocene based-MOFs (Zr-Fc MOF) nanosheets, which contain abundant of in-plane micropores, are synthesized as porous supports to fabricate Zr-Fc MOF supported ionic liquid membrane (Zr-Fc-SILM) for highly efficient CO2 separation. The micropores of Zr-Fc MOF nanosheets not only provide extra paths for CO2 transportation, and thus increase its permeance up to 145.15 GPU, but also endow the Zr-Fc-SILM with high selectivity (216.9) of CO2 /N2 through the nanoconfinement effect, which is almost ten times higher than common porous polymer SILM. Furthermore, based on the photothermal-responsive properties of Zr-Fc MOF, the performance is further enhanced (35%) by light irradiation through a photothermal heating process. This provides a brand new way to design light facilitating gas separation membranes.
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Affiliation(s)
- Zheng Deng
- State Key Laboratory of Silicon Materials, ERC of Membrane and Water Treatment Technology, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Ting Wan
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, P. R. China
| | - Danke Chen
- State Key Laboratory of Silicon Materials, ERC of Membrane and Water Treatment Technology, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Wen Ying
- State Key Laboratory of Silicon Materials, ERC of Membrane and Water Treatment Technology, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Yu-Jia Zeng
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Youguo Yan
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, P. R. China
| | - Xinsheng Peng
- State Key Laboratory of Silicon Materials, ERC of Membrane and Water Treatment Technology, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
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16
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Rahmani F, Nouranian S, Chiew YC. 3D Graphene as an Unconventional Support Material for Ionic Liquid Membranes: Computational Insights into Gas Separations. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.9b05475] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Farzin Rahmani
- Department of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States
| | - Sasan Nouranian
- Department of Chemical Engineering, University of Mississippi, University, Mississippi 38677, United States
| | - Yee C. Chiew
- Department of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States
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17
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Naberezhnyi D, Dementyev P. Molecular transport in ionic liquid/nanomembrane hybrids. Phys Chem Chem Phys 2020; 22:9808-9814. [PMID: 32337528 DOI: 10.1039/d0cp01233e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Ionic liquids and nanoscale membranes are both considered as promising functional components to design next-generation gas separation technologies. Herein, we combine free-standing carbon nanomembranes (CNMs) with [bmim][Tf2N] ionic liquid having affinity to carbon dioxide, and explore molecular permeation through such a composite membrane. Gas transport measurements reveal an increase in the transmembrane flux of carbon dioxide as compared to that of bare CNMs, whereas passage of helium is found to be suppressed in accordance with the solubility constants. Upon exposure to water vapor, the behavior of the hybrid membrane appears to differ strikingly as hydrophilic properties of CNMs are camouflaged by the hydrophobic nature of the ionic liquid. Kinetic simulations are conducted to account for the change in permeation mechanism, and the results agree with the experimental data obtained. Our study confirms that molecular transport in two-dimensional membranes can be tailored by imparting chemical functionalities, but at the same time highlights practical challenges in surface modification.
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Affiliation(s)
- Daniil Naberezhnyi
- Physics of Supramolecular Systems and Surfaces, Faculty of Physics, Bielefeld University, Bielefeld 33615, Germany.
| | - Petr Dementyev
- Physics of Supramolecular Systems and Surfaces, Faculty of Physics, Bielefeld University, Bielefeld 33615, Germany.
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18
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Abstract
:
The supported ionic liquids have shown immense potential for numerous applications
in catalysis and separation science. In the present review, the remarkable contribution
of supported ionic liquids has been highlighted. The main emphasis has been laid on
describing the facile separation of gas from binary gas mixtures owing to the capability of
selective transport of permeable gases across supported membranes and removal of environmentally
hazard sulfur compounds from fuels. The catalytic action of supported ionic
liquids has been discussed in other applications such as biodiesel (biofuel) synthesis by
transesterification/esterification processes, waste CO2 fixation into advantageous cyclic
carbonates, and various chemical transformations in organic green synthesis. This review
enclosed a maximum of the published data of the last ten years and also recently accomplished
work concerning applications in various research areas like separation sciences, chemical transformations
in organic green synthesis, biofuel synthesis, waste CO2 fixation, and purification of fuels by desulfurization.
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Affiliation(s)
- Pawanpreet Kaur
- Department of Chemistry, Sant Longowal Institute of Engineering and Technology Longowal, Sangrur, India
| | - Harish Kumar Chopra
- Department of Chemistry, Sant Longowal Institute of Engineering and Technology Longowal, Sangrur, India
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19
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Ziobrowski Z, Rotkegel A. Enhanced CO2/N2 separation by supported ionic liquid membranes (SILMs) based on PDMS and 1-ethyl-3-methylimidazolium acetate. CHEM ENG COMMUN 2019. [DOI: 10.1080/00986445.2019.1694916] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Z. Ziobrowski
- Institute of Chemical Engineering, Polish Academy of Sciences, Gliwice, Poland
| | - A. Rotkegel
- Institute of Chemical Engineering, Polish Academy of Sciences, Gliwice, Poland
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20
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Zia ul Mustafa M, bin Mukhtar H, Md Nordin NAH, Mannan HA, Nasir R, Fazil N. Recent Developments and Applications of Ionic Liquids in Gas Separation Membranes. Chem Eng Technol 2019. [DOI: 10.1002/ceat.201800519] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Muhammad Zia ul Mustafa
- Universiti Teknologi PETRONASChemical Engineering Department 32610 Bandar Seri Iskandar Perak Malaysia
| | - Hilmi bin Mukhtar
- Universiti Teknologi PETRONASChemical Engineering Department 32610 Bandar Seri Iskandar Perak Malaysia
| | - Nik Abdul Hadi Md Nordin
- Universiti Teknologi PETRONASChemical Engineering Department 32610 Bandar Seri Iskandar Perak Malaysia
| | - Hafiz Abdul Mannan
- Universiti Teknologi PETRONASChemical Engineering Department 32610 Bandar Seri Iskandar Perak Malaysia
| | - Rizwan Nasir
- University of JeddahDepartment of Chemical Engineering Jeddah Saudi Arabia
| | - Nabilah Fazil
- Universiti Teknologi PETRONASChemical Engineering Department 32610 Bandar Seri Iskandar Perak Malaysia
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21
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Yan X, Anguille S, Bendahan M, Moulin P. Ionic liquids combined with membrane separation processes: A review. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.03.103] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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22
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Pizzoccaro-Zilamy MA, Piña SM, Rebiere B, Daniel C, Farrusseng D, Drobek M, Silly G, Julbe A, Guerrero G. Controlled grafting of dialkylphosphonate-based ionic liquids on γ-alumina: design of hybrid materials with high potential for CO 2 separation applications. RSC Adv 2019; 9:19882-19894. [PMID: 35514733 PMCID: PMC9065391 DOI: 10.1039/c9ra01265f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 06/17/2019] [Indexed: 11/22/2022] Open
Abstract
In this work we provide a detailed study on grafting reactions of various dialkylphosphonate-based ILs. Special attention has been devoted to a comprehensive investigation on how the nature of the anion and the organic spacer composition (hydrophilic or hydrophobic groups) could impact the grafting densities and bonding modes of phosphonate-based ILs anchored to γ-alumina (γ-Al2O3) powders. For the first time, the bonding of phosphonate-based ILs with only surface hexacoordinated aluminum nuclei was established using both solid-state 31P–27Al D-HMQC and 31P NMR experiments. It has been demonstrated that the grafting of dialkylphosphonate-based ILs is competing with a hydrolysis and/or precipitation process which could be attractively hindered by changing the anion nature: bis(trifluoromethane)sulfonylimide anion instead of bromide. In additon, independently of the chosen spacer, similar reaction conditions led to equivalent grafting densities with different bonding mode configurations. The CO2 physisorption analysis on both pure ILs and grafted ILs on alumina powders confirmed that the initial sorption properties of ILs do not change upon grafting, thus confirming the attractive potential of as-grafted ILs for the preparation of hybrid materials in a form of selective adsorbers or membranes for CO2 separation applications. Grafting of diethylphophonate-based ILs onto γ-Al2O3 powder in solvothermal condition was achieved on mesoporous γ-alumina powder and membrane (A = organic spacer).![]()
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Affiliation(s)
- M A Pizzoccaro-Zilamy
- Institut Européen des Membranes, UMR5635, CNRS-UM-ENSCM, Université de Montpellier (CC047) Place Eugène Bataillon 34095 Montpellier Cedex 5 France
| | - S Muñoz Piña
- Institut Européen des Membranes, UMR5635, CNRS-UM-ENSCM, Université de Montpellier (CC047) Place Eugène Bataillon 34095 Montpellier Cedex 5 France.,Institut Charles Gerhardt, UMR5253, CNRS-UM-ENSCM, Université de Montpellier Place Eugène Bataillon 34095 Montpellier Cedex 5 France +33-467-144-223
| | - B Rebiere
- Institut Charles Gerhardt, UMR5253, CNRS-UM-ENSCM, Université de Montpellier Place Eugène Bataillon 34095 Montpellier Cedex 5 France +33-467-144-223
| | - C Daniel
- IRCELYON, UMR5256, CNRS-Université Lyon 1 2 Avenue Albert Einstein 69626 Villeurbanne Cedex France
| | - D Farrusseng
- IRCELYON, UMR5256, CNRS-Université Lyon 1 2 Avenue Albert Einstein 69626 Villeurbanne Cedex France
| | - M Drobek
- Institut Européen des Membranes, UMR5635, CNRS-UM-ENSCM, Université de Montpellier (CC047) Place Eugène Bataillon 34095 Montpellier Cedex 5 France
| | - G Silly
- Institut Charles Gerhardt, UMR5253, CNRS-UM-ENSCM, Université de Montpellier Place Eugène Bataillon 34095 Montpellier Cedex 5 France +33-467-144-223
| | - A Julbe
- Institut Européen des Membranes, UMR5635, CNRS-UM-ENSCM, Université de Montpellier (CC047) Place Eugène Bataillon 34095 Montpellier Cedex 5 France
| | - G Guerrero
- Institut Charles Gerhardt, UMR5253, CNRS-UM-ENSCM, Université de Montpellier Place Eugène Bataillon 34095 Montpellier Cedex 5 France +33-467-144-223
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23
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Pizzoccaro-Zilamy MA, Drobek M, Petit E, Totée C, Silly G, Guerrero G, Cowan MG, Ayral A, Julbe A. Initial Steps toward the Development of Grafted Ionic Liquid Membranes for the Selective Transport of CO2. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b02466] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Marie-Alix Pizzoccaro-Zilamy
- Institut Européen des Membranes, UMR-5635 CNRS-UM-ENSCM, Université de Montpellier, Place Eugène Bataillon, F-34095 Montpellier cedex 5, France
| | - Martin Drobek
- Institut Européen des Membranes, UMR-5635 CNRS-UM-ENSCM, Université de Montpellier, Place Eugène Bataillon, F-34095 Montpellier cedex 5, France
| | - Eddy Petit
- Institut Européen des Membranes, UMR-5635 CNRS-UM-ENSCM, Université de Montpellier, Place Eugène Bataillon, F-34095 Montpellier cedex 5, France
| | - Cédric Totée
- Institut Charles Gerhardt, UMR-5253 CNRS-UM-ENSCM, Université de Montpellier, Place Eugène Bataillon, F-34095 Montpellier cedex 5, France
| | - Gilles Silly
- Institut Charles Gerhardt, UMR-5253 CNRS-UM-ENSCM, Université de Montpellier, Place Eugène Bataillon, F-34095 Montpellier cedex 5, France
| | - Gilles Guerrero
- Institut Charles Gerhardt, UMR-5253 CNRS-UM-ENSCM, Université de Montpellier, Place Eugène Bataillon, F-34095 Montpellier cedex 5, France
| | - Matthew G. Cowan
- Institut Européen des Membranes, UMR-5635 CNRS-UM-ENSCM, Université de Montpellier, Place Eugène Bataillon, F-34095 Montpellier cedex 5, France
| | - André Ayral
- Institut Européen des Membranes, UMR-5635 CNRS-UM-ENSCM, Université de Montpellier, Place Eugène Bataillon, F-34095 Montpellier cedex 5, France
| | - Anne Julbe
- Institut Européen des Membranes, UMR-5635 CNRS-UM-ENSCM, Université de Montpellier, Place Eugène Bataillon, F-34095 Montpellier cedex 5, France
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24
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Kallem P, Charmette C, Drobek M, Julbe A, Mallada R, Pina MP. Exploring the Gas-Permeation Properties of Proton-Conducting Membranes Based on Protic Imidazolium Ionic Liquids: Application in Natural Gas Processing. MEMBRANES 2018; 8:membranes8030075. [PMID: 30189665 PMCID: PMC6161093 DOI: 10.3390/membranes8030075] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 08/27/2018] [Accepted: 08/27/2018] [Indexed: 11/23/2022]
Abstract
This experimental study explores the potential of supported ionic liquid membranes (SILMs) based on protic imidazolium ionic liquids (ILs) and randomly nanoporous polybenzimidazole (PBI) supports for CH4/N2 separation. In particular, three classes of SILMs have been prepared by the infiltration of porous PBI membranes with different protic moieties: 1-H-3-methylimidazolium bis (trifluoromethane sulfonyl)imide; 1-H-3-vinylimidazolium bis(trifluoromethane sulfonyl)imide followed by in situ ultraviolet (UV) polymerization to poly[1-(3H-imidazolium)ethylene] bis(trifluoromethanesulfonyl)imide. The polymerization process has been monitored by Fourier transform infrared (FTIR) spectroscopy and the concentration of the protic entities in the SILMs has been evaluated by thermogravimetric analysis (TGA). Single gas permeability values of N2 and CH4 at 313 K, 333 K and 363 K were obtained from a series of experiments conducted in a batch gas permeance system. The results obtained were assessed in terms of the preferential cavity formation and favorable solvation of methane in the apolar domains of the protic ionic network. The most attractive behavior exhibited poly[1-(3H-imidazolium)ethylene]bis(trifluoromethanesulfonyl)imide polymeric ionic liquid (PIL) cross-linked with 1% divinylbenzene supported membranes, showing stable performance when increasing the upstream pressure. The CH4/N2 permselectivity value of 2.1 with CH4 permeability of 156 Barrer at 363 K suggests that the transport mechanism of the as-prepared SILMs is solubility-dominated.
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Affiliation(s)
- Parashuram Kallem
- Department of Chemical & Environmental Engineering, Institute of Nanoscience of Aragon, University of Zaragoza, Edif. I+D+i, Campus Rio Ebro, C/Mariano Esquillor, 50018 Zaragoza, Spain.
- IEM (Institut Européen des Membranes), UMR 5635 (CNRS-ENSCM-UM), Université de Montpellier, CC047, Place Eugène Bataillon, 34095 Montpellier, France.
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology (GIST), 261 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Korea.
| | - Christophe Charmette
- IEM (Institut Européen des Membranes), UMR 5635 (CNRS-ENSCM-UM), Université de Montpellier, CC047, Place Eugène Bataillon, 34095 Montpellier, France.
| | - Martin Drobek
- IEM (Institut Européen des Membranes), UMR 5635 (CNRS-ENSCM-UM), Université de Montpellier, CC047, Place Eugène Bataillon, 34095 Montpellier, France.
| | - Anne Julbe
- IEM (Institut Européen des Membranes), UMR 5635 (CNRS-ENSCM-UM), Université de Montpellier, CC047, Place Eugène Bataillon, 34095 Montpellier, France.
| | - Reyes Mallada
- Department of Chemical & Environmental Engineering, Institute of Nanoscience of Aragon, University of Zaragoza, Edif. I+D+i, Campus Rio Ebro, C/Mariano Esquillor, 50018 Zaragoza, Spain.
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, 50018 Zaragoza, Spain.
| | - Maria Pilar Pina
- Department of Chemical & Environmental Engineering, Institute of Nanoscience of Aragon, University of Zaragoza, Edif. I+D+i, Campus Rio Ebro, C/Mariano Esquillor, 50018 Zaragoza, Spain.
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, 50018 Zaragoza, Spain.
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25
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Grafting cellulose acetate with ionic liquids for biofuel purification membranes : Influence of the anion. Carbohydr Polym 2018; 196:176-186. [DOI: 10.1016/j.carbpol.2018.05.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 04/20/2018] [Accepted: 05/03/2018] [Indexed: 11/21/2022]
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26
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CO2 Capture by Alkaline Solution for Carbonate Production: A Comparison between a Packed Column and a Membrane Contactor. APPLIED SCIENCES-BASEL 2018. [DOI: 10.3390/app8060996] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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27
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Liu YF, Xu QQ, Cai P, Zhen MY, Wang XY, Yin JZ. Effects of operating parameters and ionic liquid properties on fabrication of supported ionic liquid membranes based on mesoporous γ-Al2O3 supports. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2017.09.071] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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28
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Wu N, Ji X, Xie W, Liu C, Feng X, Lu X. Confinement Phenomenon Effect on the CO 2 Absorption Working Capacity in Ionic Liquids Immobilized into Porous Solid Supports. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:11719-11726. [PMID: 28844135 DOI: 10.1021/acs.langmuir.7b02204] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
In this work, the CO2 absorption working capacity and solubility in ionic liquids immobilized into porous solid materials (substrates) were studied both experimentally and theoretically. The CO2 absorption working capacity in the immobilized ionic liquids was measured experimentally. It was found that the CO2 absorption working capacity and solubility increased up to 10-fold compared to that in the bulk ionic liquids when the film thickness was nearly 2.5 nm in the [HMIm][NTf2] immobilized in the P25. Meanwhile, a new model was proposed to describe the Gibbs free energy of CO2 in the immobilized ionic liquids, and both macro- and microanalyses of the CO2 solubility in the confined ionic liquids were conducted. The theoretical investigations reveal that the substrate has a crucial effect on the gas solubility in the ionic liquid immobilized into the substrates, and the model performance was approved with a consideration of the substrate effect.
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Affiliation(s)
- Nanhua Wu
- State Key Laboratory of Materials-Oriented and Chemical Engineering and Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University , Nanjing 210009, China
- Energy Engineering, Division of Energy Science, Luleå University of Technology , 97187 Luleå, Sweden
| | - Xiaoyan Ji
- Energy Engineering, Division of Energy Science, Luleå University of Technology , 97187 Luleå, Sweden
| | - Wenlong Xie
- China Petroleum Chemicals Kunshan Company, No. 210, Kuntai Road, Kunshan 215337, China
| | - Chang Liu
- State Key Laboratory of Materials-Oriented and Chemical Engineering and Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University , Nanjing 210009, China
| | - Xin Feng
- State Key Laboratory of Materials-Oriented and Chemical Engineering and Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University , Nanjing 210009, China
| | - Xiaohua Lu
- State Key Laboratory of Materials-Oriented and Chemical Engineering and Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University , Nanjing 210009, China
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29
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Tang Z, Lu L, Dai Z, Xie W, Shi L, Lu X. CO 2 Absorption in the Ionic Liquids Immobilized on Solid Surface by Molecular Dynamics Simulation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:11658-11669. [PMID: 28930632 DOI: 10.1021/acs.langmuir.7b02044] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Based on our previous experimental research, we studied the absorption of CO2 in the ionic liquid, 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([hmim][Tf2N]), immobilized on TiO2 [rutile (110) ] with different thickness by molecular dynamics simulation. The effects of the properties (hydrophobicity and hydrophilicity) of solid interfaces were also studied with IL immobilized on graphite and TiO2, respectively. We studied the influence of the thickness of IL immobilized on TiO2 on the absorption of CO2 via structural and dynamical properties. The results show that the self-diffusion coefficients of IL and CO2 increase as the thickness of immobilized IL decreases. And the CO2 absorption capacity increases as the thickness of immobilized IL decreases as well. Additionally, more CO2 molecules are absorbed in the region near the solid interface as the thickness of IL decreases. For IL immobilized on graphite, the self-diffusion coefficients of cations and anions are larger than that of IL immobilized on TiO2 with the same thickness. They are also larger than nonimmobilized cations and anions.Besides, the CO2 absorption capacity of IL immobilized on TiO2 is the largest compared with IL immobilized on graphite and nonimmobilized IL with the same thickness. From our simulation work, we try to explore the microscopic mechanism that is unexplored by experimental work, and we found the important role of IL/solid interface for CO2 absorption in immobilized ILs.
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Affiliation(s)
- Ziqian Tang
- College of Chemical Engineering,State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University , Nanjing, 210009, People's Republic of China
| | - Linghong Lu
- College of Chemical Engineering,State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University , Nanjing, 210009, People's Republic of China
| | - Zhongyang Dai
- College of Chemical Engineering,State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University , Nanjing, 210009, People's Republic of China
| | - Wenlong Xie
- College of Chemical Engineering,State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University , Nanjing, 210009, People's Republic of China
| | - Lili Shi
- College of Chemical Engineering,State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University , Nanjing, 210009, People's Republic of China
| | - Xiaohua Lu
- College of Chemical Engineering,State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University , Nanjing, 210009, People's Republic of China
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30
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Zeng S, Zhang X, Bai L, Zhang X, Wang H, Wang J, Bao D, Li M, Liu X, Zhang S. Ionic-Liquid-Based CO2 Capture Systems: Structure, Interaction and Process. Chem Rev 2017; 117:9625-9673. [DOI: 10.1021/acs.chemrev.7b00072] [Citation(s) in RCA: 511] [Impact Index Per Article: 73.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Shaojuan Zeng
- Beijing
Key Laboratory of Ionic Liquids Clean Process, Key Laboratory of Green
Process and Engineering, State Key Laboratory of Multiphase Complex
Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Xiangping Zhang
- Beijing
Key Laboratory of Ionic Liquids Clean Process, Key Laboratory of Green
Process and Engineering, State Key Laboratory of Multiphase Complex
Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- College
of Chemical and Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lu Bai
- Beijing
Key Laboratory of Ionic Liquids Clean Process, Key Laboratory of Green
Process and Engineering, State Key Laboratory of Multiphase Complex
Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Xiaochun Zhang
- Beijing
Key Laboratory of Ionic Liquids Clean Process, Key Laboratory of Green
Process and Engineering, State Key Laboratory of Multiphase Complex
Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Hui Wang
- Beijing
Key Laboratory of Ionic Liquids Clean Process, Key Laboratory of Green
Process and Engineering, State Key Laboratory of Multiphase Complex
Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Jianji Wang
- School
of Chemistry and Environmental Science, Henan Normal University, Xinxiang, Henan 453007, China
| | - Di Bao
- Beijing
Key Laboratory of Ionic Liquids Clean Process, Key Laboratory of Green
Process and Engineering, State Key Laboratory of Multiphase Complex
Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- College
of Chemical and Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mengdie Li
- Beijing
Key Laboratory of Ionic Liquids Clean Process, Key Laboratory of Green
Process and Engineering, State Key Laboratory of Multiphase Complex
Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- College
of Chemical and Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xinyan Liu
- Beijing
Key Laboratory of Ionic Liquids Clean Process, Key Laboratory of Green
Process and Engineering, State Key Laboratory of Multiphase Complex
Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- College
of Chemical and Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Suojiang Zhang
- Beijing
Key Laboratory of Ionic Liquids Clean Process, Key Laboratory of Green
Process and Engineering, State Key Laboratory of Multiphase Complex
Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
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31
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CO 2 /N 2 separation using alumina supported membranes based on new functionalized ionic liquids. Sep Purif Technol 2017. [DOI: 10.1016/j.seppur.2017.03.031] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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32
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Budhathoki S, Shah JK, Maginn EJ. Molecular Simulation Study of the Performance of Supported Ionic Liquid Phase Materials for the Separation of Carbon Dioxide from Methane and Hydrogen. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b00763] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Samir Budhathoki
- Department
of Chemical and Biomolecular Engineering, University of Notre Dame, Notre
Dame, Indiana 46556, United States
| | - Jindal K. Shah
- School
of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, United States
| | - Edward J. Maginn
- Department
of Chemical and Biomolecular Engineering, University of Notre Dame, Notre
Dame, Indiana 46556, United States
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33
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Gouveia ASL, Tomé LC, Lozinskaya EI, Shaplov AS, Vygodskii YS, Marrucho IM. Exploring the effect of fluorinated anions on the CO2/N2 separation of supported ionic liquid membranes. Phys Chem Chem Phys 2017; 19:28876-28884. [DOI: 10.1039/c7cp06297d] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The CO2 and N2 permeation properties of ionic liquids (ILs) based on a common imidazolium cation and different fluorinated anions were measured using supported ionic liquid membranes (SILMs).
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Affiliation(s)
- Andreia S. L. Gouveia
- Centro de Química Estrutural
- Departamento de Engenharia Química
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisboa
| | - Liliana C. Tomé
- Centro de Química Estrutural
- Departamento de Engenharia Química
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisboa
| | - Elena I. Lozinskaya
- A. N. Nesmeyanov Institute of Organoelement Compounds Russian academy of sciences (INEOS RAS)
- 119991 Moscow
- Russia
| | - Alexander S. Shaplov
- A. N. Nesmeyanov Institute of Organoelement Compounds Russian academy of sciences (INEOS RAS)
- 119991 Moscow
- Russia
- Luxembourg Institute of Science and Technology (LIST)
- Esch-sur-Alzette
| | - Yakov S. Vygodskii
- A. N. Nesmeyanov Institute of Organoelement Compounds Russian academy of sciences (INEOS RAS)
- 119991 Moscow
- Russia
| | - Isabel M. Marrucho
- Centro de Química Estrutural
- Departamento de Engenharia Química
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisboa
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Affiliation(s)
- Shiguo Zhang
- College
of Materials Science and Engineering, Hunan University, Changsha 410082, China
- Center for Green Chemistry and Catalysis, State Key Laboratory for Oxo Synthesis & Selective Oxidation, State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, No.18, Tianshui Middle Road, 730000 Lanzhou, China
| | - Jiaheng Zhang
- School
of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen 518055, China
| | - Yan Zhang
- College
of Materials Science and Engineering, Hunan University, Changsha 410082, China
| | - Youquan Deng
- Center for Green Chemistry and Catalysis, State Key Laboratory for Oxo Synthesis & Selective Oxidation, State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, No.18, Tianshui Middle Road, 730000 Lanzhou, China
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35
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Hassan Hassan Abdellatif F, Babin J, Arnal-Herault C, David L, Jonquieres A. Grafting of cellulose acetate with ionic liquids for biofuel purification by a membrane process: Influence of the cation. Carbohydr Polym 2016; 147:313-322. [DOI: 10.1016/j.carbpol.2016.04.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Revised: 03/11/2016] [Accepted: 04/01/2016] [Indexed: 11/16/2022]
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36
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Dai Z, Noble RD, Gin DL, Zhang X, Deng L. Combination of ionic liquids with membrane technology: A new approach for CO2 separation. J Memb Sci 2016. [DOI: 10.1016/j.memsci.2015.08.060] [Citation(s) in RCA: 278] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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37
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Tomé LC, Marrucho IM. Ionic liquid-based materials: a platform to design engineered CO2 separation membranes. Chem Soc Rev 2016; 45:2785-824. [DOI: 10.1039/c5cs00510h] [Citation(s) in RCA: 285] [Impact Index Per Article: 35.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This review provides a judicious assessment of the CO2 separation efficiency of membranes using ionic liquid-based materials and highlights breakthroughs and key challenges in this field.
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Affiliation(s)
- Liliana C. Tomé
- Instituto de Tecnologia Química e Biológica António Xavier
- Universidade Nova de Lisboa
- 2780-157 Oeiras
- Portugal
| | - Isabel M. Marrucho
- Instituto de Tecnologia Química e Biológica António Xavier
- Universidade Nova de Lisboa
- 2780-157 Oeiras
- Portugal
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38
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Akhmetshina AA, Davletbaeva IM, Grebenschikova ES, Sazanova TS, Petukhov AN, Atlaskin AA, Razov EN, Zaripov II, Martins CF, Neves LA, Vorotyntsev IV. The Effect of Microporous Polymeric Support Modification on Surface and Gas Transport Properties of Supported Ionic Liquid Membranes. MEMBRANES 2015; 6:membranes6010004. [PMID: 26729177 PMCID: PMC4812410 DOI: 10.3390/membranes6010004] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 12/25/2015] [Accepted: 12/25/2015] [Indexed: 11/16/2022]
Abstract
Microporous polymers based on anionic macroinitiator and toluene 2,4-diisocyanate were used as a support for 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim][PF6]) and 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([emim][Tf2N]) immobilization. The polymeric support was modified by using silica particles associated in oligomeric media, and the influence of the modifier used on the polymeric structure was studied. The supported ionic liquid membranes (SILMs) were tested for He, N2, NH3, H2S, and CO2 gas separation and ideal selectivities were calculated. The high values of ideal selectivity for ammonia-based systems with permanent gases were observed on polymer matrixes immobilized with [bmim][PF6] and [emim][Tf2N]. The modification of SILMs by nanosize silica particles leads to an increase of NH3 separation relatively to CO2 or H2S.
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Affiliation(s)
- Alsu A Akhmetshina
- Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 24 Minina str., Nizhny Novgorod 603950, Russia.
- Kazan National Research Technological University, 68 Karl Marks str, Kazan 420015, Russia.
| | - Ilsiya M Davletbaeva
- Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 24 Minina str., Nizhny Novgorod 603950, Russia.
- Kazan National Research Technological University, 68 Karl Marks str, Kazan 420015, Russia.
- Kazan Federal University, 18 Kremlyovskaya St., Kazan 420008, Russia.
| | | | - Tatyana S Sazanova
- Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 24 Minina str., Nizhny Novgorod 603950, Russia.
| | - Anton N Petukhov
- Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 24 Minina str., Nizhny Novgorod 603950, Russia.
| | - Artem A Atlaskin
- Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 24 Minina str., Nizhny Novgorod 603950, Russia.
| | - Evgeny N Razov
- Institute for Problems in Mechanical Engineering, Russian Academy of Sciences, 85 Belinskogo str., Nizhny Novgorod 603024, Russia.
| | - Ilnaz I Zaripov
- Kazan National Research Technological University, 68 Karl Marks str, Kazan 420015, Russia.
| | - Carla F Martins
- LAQV, REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal.
| | - Luísa A Neves
- LAQV, REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal.
| | - Ilya V Vorotyntsev
- Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 24 Minina str., Nizhny Novgorod 603950, Russia.
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40
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Mejri R, Dias J, Lopes A, Bebes Hentati S, Silva M, Botelho G, Mão de Ferro A, Esperança J, Maceiras A, Laza J, Vilas J, León L, Lanceros-Mendez S. Effect of ionic liquid anion and cation on the physico-chemical properties of poly(vinylidene fluoride)/ionic liquid blends. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2015.07.058] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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41
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Jie X, Chau J, Obuskovic G, Sirkar KK. Microporous Ceramic Tubule Based and Dendrimer-Facilitated Immobilized Ionic Liquid Membrane for CO2 Separation. Ind Eng Chem Res 2015. [DOI: 10.1021/acs.iecr.5b01214] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xingming Jie
- Otto H. York Department of
Chemical, Biological and Pharmaceutical Engineering, Center for Membrane
Technologies, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
| | - John Chau
- Otto H. York Department of
Chemical, Biological and Pharmaceutical Engineering, Center for Membrane
Technologies, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
| | - Gordana Obuskovic
- Otto H. York Department of
Chemical, Biological and Pharmaceutical Engineering, Center for Membrane
Technologies, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
| | - Kamalesh K. Sirkar
- Otto H. York Department of
Chemical, Biological and Pharmaceutical Engineering, Center for Membrane
Technologies, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
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42
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Karkhanechi H, Salmani S, Asghari M. A Review on Gas Separation Applications of Supported Ionic Liquid Membranes. CHEMBIOENG REVIEWS 2015. [DOI: 10.1002/cben.201500001] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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43
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Althuluth M, Overbeek JP, van Wees HJ, Zubeir LF, Haije WG, Berrouk A, Peters CJ, Kroon MC. Natural gas purification using supported ionic liquid membrane. J Memb Sci 2015. [DOI: 10.1016/j.memsci.2015.02.033] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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44
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Facilitated separation of CO2 and SO2 through supported liquid membranes using carboxylate-based ionic liquids. J Memb Sci 2014. [DOI: 10.1016/j.memsci.2014.08.022] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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45
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Chai SH, Fulvio PF, Hillesheim PC, Qiao ZA, Mahurin SM, Dai S. “Brick-and-mortar” synthesis of free-standing mesoporous carbon nanocomposite membranes as supports of room temperature ionic liquids for CO2−N2 separation. J Memb Sci 2014. [DOI: 10.1016/j.memsci.2014.05.044] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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46
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Tomé LC, Florindo C, Freire CSR, Rebelo LPN, Marrucho IM. Playing with ionic liquid mixtures to design engineered CO2separation membranes. Phys Chem Chem Phys 2014; 16:17172-82. [DOI: 10.1039/c4cp01434k] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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47
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Albo J, Tsuru T. Thin Ionic Liquid Membranes Based on Inorganic Supports with Different Pore Sizes. Ind Eng Chem Res 2014. [DOI: 10.1021/ie500126x] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jonathan Albo
- Department of Chemical Engineering, Hiroshima University, 1-4-1 Kagayami-yama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Toshinori Tsuru
- Department of Chemical Engineering, Hiroshima University, 1-4-1 Kagayami-yama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
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48
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Zarca G, Ortiz I, Urtiaga A. Facilitated-transport supported ionic liquid membranes for the simultaneous recovery of hydrogen and carbon monoxide from nitrogen-enriched gas mixtures. Chem Eng Res Des 2014. [DOI: 10.1016/j.cherd.2013.12.021] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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49
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50
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Albo J, Yoshioka T, Tsuru T. Porous Al2O3/TiO2 tubes in combination with 1-ethyl-3-methylimidazolium acetate ionic liquid for CO2/N2 separation. Sep Purif Technol 2014. [DOI: 10.1016/j.seppur.2013.11.024] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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