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Piotrowska J, Jordan C, Harasek M, Bica-Schröder K. Development of Hollow Fiber Membranes Functionalized with Ionic Liquids for Enhanced CO 2 Separation. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2024; 12:12236-12248. [PMID: 39148517 PMCID: PMC11323277 DOI: 10.1021/acssuschemeng.4c04597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Revised: 07/18/2024] [Accepted: 07/19/2024] [Indexed: 08/17/2024]
Abstract
The combination of CO2-selective ionic liquids (ILs) with block copolymers, such as Pebax 1657, has demonstrated an enhancement of the gas separation capabilities of polymeric membranes. In the current work, the development of composite membranes by applying a thin, concentrated selective layer made of Pebax/imidazolium-based ionic liquids (ILs) is presented. The objective of the experiments was to determine the optimized IL loading and investigate how the alteration of the anion impacts the properties of the membranes. Two membrane configurations have been studied: coated flat sheet membranes, supported on a porous poly(ether sulfone) (PES) layer, as well as composite hollow fiber membranes, supported on commercial polypropylene (PP) hollow fibers. Coated hollow fiber composites were fabricated using a continuous coating method, offering a straightforward scalability in the manufacturing process. The determined mechanical pressure stability of hollow fiber composites reached up to 5 bar, indicating their potential for various industrial gas separation applications. It was found that the Pebax 1657-based coating containing 40 wt % [C6mim][NTf2] yielded membranes with the best gas separation properties, for both the coated flat sheet and the hollow fiber configurations. The CO2 permeance of hollow fibers reached 23.29 GPU, whereas the CO2/N2 ideal selectivity stood at 8.7, suggesting the necessity of the further enhancement of the coating technique, which can be achieved, for example, through application of multiple coatings. Nonetheless, the superior ideal selectivity of the CO2/CO separation, reaching 12.44, gave a promising outlook for further novel membrane applications, which involve the separation of the aforementioned gases.
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Affiliation(s)
- Julia
A. Piotrowska
- Institute
of Applied Synthetic Chemistry, TU Wien, Getreidemarkt 9/163, Vienna 1060, Austria
| | - Christian Jordan
- Institute
of Chemical, Environmental and Bioscience Engineering, TU Wien, Getreidemarkt 9/E166, Vienna 1060, Austria
| | - Michael Harasek
- Institute
of Chemical, Environmental and Bioscience Engineering, TU Wien, Getreidemarkt 9/E166, Vienna 1060, Austria
| | - Katharina Bica-Schröder
- Institute
of Applied Synthetic Chemistry, TU Wien, Getreidemarkt 9/163, Vienna 1060, Austria
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2
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Arshad N, Batool SR, Razzaq S, Arshad M, Rasheed A, Ashraf M, Nawab Y, Nazeer MA. Recent advancements in polyurethane-based membranes for gas separation. ENVIRONMENTAL RESEARCH 2024; 252:118953. [PMID: 38636643 DOI: 10.1016/j.envres.2024.118953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/30/2024] [Accepted: 04/14/2024] [Indexed: 04/20/2024]
Abstract
Gas separation membranes are critical in a variety of environmental research and industrial applications. These membranes are designed to selectively allow some gases to flow while blocking others, allowing for the separation and purification of gases for a variety of applications. Therefore, the demand for fast and energy-efficient gas separation techniques is of central interest for many chemical and energy production diligences due to the intensified levels of greenhouse and industrial gases. This encourages the researchers to innovate techniques for capturing and separating these gases, including membrane separation techniques. Polymeric membranes play a significant role in gas separations by capturing gases from the fuel combustion process, purifying chemical raw material used for plastic production, and isolating pure and noncombustible gases. Polyurethane-based membrane technology offers an excellent knack for gas separation applications and has also been considered more energy-efficient than conventional phase change separation methodologies. This review article reveals a thorough delineation of the current developments and efforts made for PU membranes. It further explains its uses for the separation of valuable gases such as carbon dioxide (CO2), hydrogen (H2), nitrogen (N2), methane (CH4), or a mixture of gases from a variety of gas spillages. Polyurethane (PU) is an excellent choice of material and a leading candidate for producing gas-separating membranes because of its outstanding chemical chemistry, good mechanical abilities, higher permeability, and variable microstructure. The presence of PU improves several characteristics of gas-separating membranes. Selectivity and separation efficiency of PU-centered membranes are enhanced through modifications such as blending with other polymers, use of nanoparticles (silica, metal oxides, alumina, zeolite), and interpenetrating polymer networks (IPNs) formation. This manuscript critically analyzes the various gas transport methods and selection criteria for the fabrication of PU membranes. It also covers the challenges facing the development of PU-membrane-based separation procedures.
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Affiliation(s)
- Noureen Arshad
- School of Engineering and Technology, National Textile University, Faisalabad, 37610, Pakistan; Liberty Mills Limited, Karachi, 75700, Pakistan.
| | - Syeda Rubab Batool
- School of Engineering and Technology, National Textile University, Faisalabad, 37610, Pakistan
| | - Sadia Razzaq
- School of Engineering and Technology, National Textile University, Faisalabad, 37610, Pakistan
| | - Mubeen Arshad
- Department of Prosthodontics, Baqai Medical University, Karachi, 74600, Pakistan
| | - Abher Rasheed
- School of Engineering and Technology, National Textile University, Faisalabad, 37610, Pakistan
| | - Munir Ashraf
- School of Engineering and Technology, National Textile University, Faisalabad, 37610, Pakistan; Functional Textile Research Group, National Textile University, Faisalabad, 37610, Pakistan
| | - Yasir Nawab
- School of Engineering and Technology, National Textile University, Faisalabad, 37610, Pakistan; National Center for Composite Materials, National Textile University, Faisalabad, 37610, Pakistan
| | - Muhammad Anwaar Nazeer
- School of Engineering and Technology, National Textile University, Faisalabad, 37610, Pakistan; Biomaterials and Tissue Engineering Research Laboratory, National Textile University, Faisalabad, 37610, Pakistan.
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Tomczak W, Gryta M, Daniluk M, Żak S. Biogas Upgrading Using a Single-Membrane System: A Review. MEMBRANES 2024; 14:80. [PMID: 38668108 PMCID: PMC11051867 DOI: 10.3390/membranes14040080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 03/22/2024] [Accepted: 03/25/2024] [Indexed: 04/28/2024]
Abstract
In recent years, the use of biogas as a natural gas substitute has gained great attention. Typically, in addition to methane (CH4), biogas contains carbon dioxide (CO2), as well as small amounts of impurities, e.g., hydrogen sulfide (H2S), nitrogen (N2), oxygen (O2) and volatile organic compounds (VOCs). One of the latest trends in biogas purification is the application of membrane processes. However, literature reports are ambiguous regarding the specific requirement for biogas pretreatment prior to its upgrading using membranes. Therefore, the main aim of the present study was to comprehensively examine and discuss the most recent achievements in the use of single-membrane separation units for biogas upgrading. Performing a literature review allowed to indicate that, in recent years, considerable progress has been made on the use of polymeric membranes for this purpose. For instance, it has been documented that the application of thin-film composite (TFC) membranes with a swollen polyamide (PA) layer ensures the successful upgrading of raw biogas and eliminates the need for its pretreatment. The importance of the performed literature review is the inference drawn that biogas enrichment performed in a single step allows to obtain upgraded biogas that could be employed for household uses. Nevertheless, this solution may not be sufficient for obtaining high-purity gas at high recovery efficiency. Hence, in order to obtain biogas that could be used for applications designed for natural gas, a membrane cascade may be required. Moreover, it has been documented that a significant number of experimental studies have been focused on the upgrading of synthetic biogas; meanwhile, the data on the raw biogas are very limited. In addition, it has been noted that, although ceramic membranes demonstrate several advantages, experimental studies on their applications in single-membrane systems have been neglected. Summarizing the literature data, it can be concluded that, in order to thoroughly evaluate the presented issue, the long-term experimental studies on the upgrading of raw biogas with the use of polymeric and ceramic membranes in pilot-scale systems are required. The presented literature review has practical implications as it would be beneficial in supporting the development of membrane processes used for biogas upgrading.
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Affiliation(s)
- Wirginia Tomczak
- Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, ul. Seminaryjna 3, 85-326 Bydgoszcz, Poland; (M.D.); (S.Ż.)
| | - Marek Gryta
- Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, ul. Pułaskiego 10, 70-322 Szczecin, Poland
| | - Monika Daniluk
- Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, ul. Seminaryjna 3, 85-326 Bydgoszcz, Poland; (M.D.); (S.Ż.)
| | - Sławomir Żak
- Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, ul. Seminaryjna 3, 85-326 Bydgoszcz, Poland; (M.D.); (S.Ż.)
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Mizrahi Rodriguez K, Lin S, Wu AX, Storme KR, Joo T, Grosz AF, Roy N, Syar D, Benedetti FM, Smith ZP. Penetrant-induced plasticization in microporous polymer membranes. Chem Soc Rev 2024; 53:2435-2529. [PMID: 38294167 DOI: 10.1039/d3cs00235g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Penetrant-induced plasticization has prevented the industrial deployment of many polymers for membrane-based gas separations. With the advent of microporous polymers, new structural design features and unprecedented property sets are now accessible under controlled laboratory conditions, but property sets can often deteriorate due to plasticization. Therefore, a critical understanding of the origins of plasticization in microporous polymers and the development of strategies to mitigate this effect are needed to advance this area of research. Herein, an integrative discussion is provided on seminal plasticization theory and gas transport models, and these theories and models are compared to an exhaustive database of plasticization characteristics of microporous polymers. Correlations between specific polymer properties and plasticization behavior are presented, including analyses of plasticization pressures from pure-gas permeation tests and mixed-gas permeation tests for pure polymers and composite films. Finally, an evaluation of common and current state-of-the-art strategies to mitigate plasticization is provided along with suggestions for future directions of fundamental and applied research on the topic.
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Affiliation(s)
- Katherine Mizrahi Rodriguez
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Sharon Lin
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Albert X Wu
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Kayla R Storme
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Taigyu Joo
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Aristotle F Grosz
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Naksha Roy
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Duha Syar
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Francesco M Benedetti
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Zachary P Smith
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
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5
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Mahenthiran AV, Jawad ZA, Chin BLF. Development of blend PEG-PES/NMP-DMF mixed matrix membrane for CO 2/N 2 separation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:124654-124676. [PMID: 35655021 PMCID: PMC10754754 DOI: 10.1007/s11356-022-20168-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 04/05/2022] [Indexed: 06/15/2023]
Abstract
The carbon dioxide (CO2) separation technology has become a focus recently, and a developed example is the membrane technology. It is an alternative form of enhanced gas separation performance above the Robeson upper bound line resulting in the idea of mixed matrix membranes (MMMs). With attention given to membrane technologies, the MMMs were fabricated to have the most desirable gas separation performance. In this work, blend MMMs were synthesised by using two polymers, namely, poly(ether sulfone) (PES) and poly (ethylene glycol) (PEG). These polymers were dissolved in blend N-methyl-2-pyrrolidone (NMP) and dimethylformamide (DMF) solvents with the functionalised multi-walled carbon nanotubes (MWCNTs-F) fillers by using the mixing solution method. The embedding of the pristine MWCNTs and MWCNTs-F within the new synthesised MMM was then studied towards CO2/N2 separation. In addition, the optimisation of the loading of MWCNTs-F for blend MMM for CO2/N2 separation was also studied. The experimental results showed that the functionalised MWCNTs (MWCNTs-F) were a better choice at enhancing gas separation compared to the pristine MWCNTs (MWCNTs-P). Additionally, the effects of MWCNTs-F at loadings 0.01 to 0.05% were studied along with the polymer compositions for PES:PEG of 10:20, 20:20 and 30:10. Both these parameters of study affect the manner of gas separation performance in the blend MMMs. Overall, the best performing membrane showed a selectivity value of 1.01 + 0.05 for a blend MMM (MMM-0.03F) fabricated with 20 wt% of PES, 20 wt% of PEG and 0.03 wt% of MWCNTs-F. The MMM-0.03F was able to withstand a pressure of 2 bar, illustrating its mechanical strength and ability to be used in the post combustion carbon capture application industries where the flue gas pressure is at 1.01 bar.
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Affiliation(s)
- Ashvin Viknesh Mahenthiran
- Department of Chemical and Energy Engineering, Faculty of Engineering and Science, Curtin University Malaysia, 250 CDT, 98009, Miri, Sarawak, Malaysia
| | - Zeinab Abbas Jawad
- Department of Chemical Engineering, College of Engineering, Qatar University, P.O. Box: 2713, Doha, Qatar.
| | - Bridgid Lai Fui Chin
- Department of Chemical and Energy Engineering, Faculty of Engineering and Science, Curtin University Malaysia, 250 CDT, 98009, Miri, Sarawak, Malaysia
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6
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Soleimani R, Saeedi Dehaghani AH. A theoretical probe into the separation of CO 2/CH 4/N 2 mixtures with polysulfone/polydimethylsiloxane-nano zinc oxide MMM. Sci Rep 2023; 13:9543. [PMID: 37308483 DOI: 10.1038/s41598-023-36051-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 05/28/2023] [Indexed: 06/14/2023] Open
Abstract
In the current investigation, molecular dynamics (MD) and Grand Canonical Monte Carlo (GCMC) simulation as remarkable and competent approaches have been employed for understanding structural and transport properties of MMMs in the realm of gas separation. The two commonly used polymers i.e. polysulfone (Psf) and polydimethylsiloxane (PDMS) as well as zinc oxide (ZnO) nanoparticle (NP) were used to carefully examine the transport properties of three light gasses (CO2, N2 and CH4) through simple Psf, Psf/PDMS composite loaded by different amounts of ZnO NP. Also, the fractional free volume (FFV), X-ray diffraction (XRD), glass transition temperature (Tg), and Equilibrium density were calculated to scrutinize the structural characterizations of the membranes. Moreover, the effect of feed pressure (4-16 bar) on gas separation performance of simulated MMMs was investigated. Results obtained in different experiments showed a clear improvement in the performance of simulated membranes by adding PDMS to PSf matrix. The selectivity of studied MMMs was in the range from 50.91 to 63.05 at pressures varying from 4 to 16 bar for the CO2/N2 gas pair, whereas the corresponding value for CO2/CH4 system was found to be in the range 27.27-46.24. For 6 wt% ZnO in 80%PSf + 20%PDMS membrane, high permeabilities of 78.02, 2.86 and 1.33 barrers were observed for CO2, CH4 and N2 gases, respectively. The 90%PSf + 10%PDMS membrane with 2% ZnO had a highest CO2/N2 selectivity value of 63.05 and its CO2 permeability at 8 bar was 57 barrer.
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Affiliation(s)
- Reza Soleimani
- Faculty of Chemical Engineering, Tarbiat Modares University, P.O. Box 14115-143, Tehran, Iran
| | - Amir Hossein Saeedi Dehaghani
- Department of Petroleum Engineering, Faculty of Chemical Engineering, Tarbiat Modares University, P.O. Box 14115-143, Tehran, Iran.
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7
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Vasileiou AN, Theodorakopoulos GV, Karousos DS, Bouroushian M, Sapalidis AA, Favvas EP. Nanocarbon-Based Mixed Matrix Pebax-1657 Flat Sheet Membranes for CO 2/CH 4 Separation. MEMBRANES 2023; 13:membranes13050470. [PMID: 37233531 DOI: 10.3390/membranes13050470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 04/24/2023] [Accepted: 04/26/2023] [Indexed: 05/27/2023]
Abstract
In the present work, Pebax-1657, a commercial multiblock copolymer (poly(ether-block-amide)), consisting of 40% rigid amide (PA6) groups and 60% flexible ether (PEO) linkages, was selected as the base polymer for preparing dense flat sheet mixed matrix membranes (MMMs) using the solution casting method. Carbon nanofillers, specifically, raw and treated (plasma and oxidized) multi-walled carbon nanotubes (MWCNTs) and graphene nanoplatelets (GNPs) were incorporated into the polymeric matrix in order to improve the gas-separation performance and polymer's structural properties. The developed membranes were characterized by means of SEM and FTIR, and their mechanical properties were also evaluated. Well-established models were employed in order to compare the experimental data with theoretical calculations concerning the tensile properties of MMMs. Most remarkably, the tensile strength of the mixed matrix membrane with oxidized GNPs was enhanced by 55.3% compared to the pure polymeric membrane, and its tensile modulus increased 3.2 times compared to the neat one. In addition, the effect of nanofiller type, structure and amount to real binary CO2/CH4 (10/90 vol.%) mixture separation performance was evaluated under elevated pressure conditions. A maximum CO2/CH4 separation factor of 21.9 was reached with CO2 permeability of 384 Barrer. Overall, MMMs exhibited enhanced gas permeabilities (up to fivefold values) without sacrificing gas selectivity compared to the corresponding pure polymeric membrane.
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Affiliation(s)
- Athanasios N Vasileiou
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Aghia Paraskevi, 15341 Attica, Greece
- School of Chemical Engineering, National Technical University of Athens, 9 Iroon Polytechniou Street, Zografou, 15780 Athens, Greece
| | - George V Theodorakopoulos
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Aghia Paraskevi, 15341 Attica, Greece
- School of Chemical Engineering, National Technical University of Athens, 9 Iroon Polytechniou Street, Zografou, 15780 Athens, Greece
| | - Dionysios S Karousos
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Aghia Paraskevi, 15341 Attica, Greece
| | - Mirtat Bouroushian
- School of Chemical Engineering, National Technical University of Athens, 9 Iroon Polytechniou Street, Zografou, 15780 Athens, Greece
| | - Andreas A Sapalidis
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Aghia Paraskevi, 15341 Attica, Greece
| | - Evangelos P Favvas
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Aghia Paraskevi, 15341 Attica, Greece
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Kalmykov D, Balynin A, Yushkin A, Grushevenko E, Sokolov S, Malakhov A, Volkov A, Bazhenov S. Membranes Based on PTMSP/PVTMS Blends for Membrane Contactor Applications. MEMBRANES 2022; 12:1160. [PMID: 36422152 PMCID: PMC9698258 DOI: 10.3390/membranes12111160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/09/2022] [Accepted: 11/14/2022] [Indexed: 06/16/2023]
Abstract
In this work, perspective polymeric materials were developed for membrane contactor applications, e.g., for the dissolved oxygen removal from amine CO2 capture solvents. Several polymeric blends based on poly[1-trimethylsilyl-1-propyne] (PTMSP) and poly[vinyltrimethylsilane] (PVTMS) were studied. The gas and water vapor sorption and permeability coefficients for the PTMSP/PVTMS blend membranes at different PVTMS contents (0-100%) were obtained under temperatures of 30 and 60 °C for the first time. As the PVTMS content increases, the O2 and CO2 permeabilities decrease by 160 and 195 times at 30 °C, respectively. The fractional accessible volume of the polymer blends decreases accordingly. The transport of the CO2 capture solvent vapors through the PTMSP/PVTMS blend membranes were determined in thermo-pervaporation (TPV) mode using aqueous monoethanolamine (30%), N-methyldiethanolamine (40%), and 2-amino-2-methyl-1-propanol (30%) solutions as model amine solvents at 60 °C. The membranes demonstrated high pervaporation separation factors with respect to water, resulting in low amine losses. A joint analysis of the gas permeabilities and aqueous alkanolamine TPV data allowed us to conclude that the polymer blend composition of PTMSP/PVTMS 70/30 provides an optimal combination of a sufficiently high oxygen permeability and the pervaporation separation factor at a temperature of 60 °C.
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Affiliation(s)
- Denis Kalmykov
- Correspondence: (D.K.); (A.V.); Tel.: +7-495-647-59-27 (ext. 2-02) (D.K.); +7-495-955-48-93 (A.V.)
| | | | | | | | | | | | - Alexey Volkov
- Correspondence: (D.K.); (A.V.); Tel.: +7-495-647-59-27 (ext. 2-02) (D.K.); +7-495-955-48-93 (A.V.)
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MOF-layer composite polyurethane membrane increasing both selectivity and permeability: Pushing commercial rubbery polymer membranes to be attractive for CO2 separation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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10
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Huang L, Xing Z, Zhuang X, Wei J, Ma Y, Wang B, Jiang X, He X, Deng L, Dai Z. Polymeric membranes and their derivatives for H2/CH4 separation: State of the art. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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11
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Novel magnetic iron-nickel/poly(ethersulfone) mixed matrix membranes for oxygen separation potential without applying an external magnetic field. Sci Rep 2022; 12:13675. [PMID: 35953625 PMCID: PMC9372052 DOI: 10.1038/s41598-022-16979-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 07/19/2022] [Indexed: 11/25/2022] Open
Abstract
This work presents novel magnetic mixed matrix poly(ethersulfone) (PES) membranes that combine the advantages of low-cost common PES polymer and low-cost iron–nickel magnetic alloys. Moreover, the presented magnetic mixed matrix PES membranes were fabricated and used without applying an external magnetic field during either the membrane casting or the separating process. The fabricated magnetic membranes were prepared using the phase inversion technique and N-methylpyrrolidone and N,N‐Dimethylformamide solvents mixture with volumetric ratio 1:9 and Lithium chloride as an additive. The used iron–nickel magnetic alloys were prepared by a simple chemical reduction method with unique morphologies (Fe10Ni90; starfish-like and Fe20Ni80; necklace-like). The fabricated membranes were characterized using Scanning Electron Microscope (SEM) and Scanning-Transmission Electron Microscope (STEM) imaging, energy dispersive X-ray (EDX), Thermogravimetric (TGA), and X-ray diffraction (XRD). Also, static water contact angle, membrane thickness, surface roughness, membrane porosity, membrane tensile strength as well as Vibrating Sample Magnetometer (VSM) analysis and oxygen transition rate (OTR) were determined. Moreover, the effect of alloy concentration and using Lithium chloride as an additive on the properties of the fabricated blank PES and magnetic mixed matrix PES membranes were studied. The presented novel magnetic mixed matrix PES membranes have high coercivity up to 106 (emu/g) with 3.61 × 10–5 cm3/cm2·s OTR compared to non-oxygen permeable blank PES membranes. The presented novel magnetic mixed matrix PES membranes have good potential in (oxygen) gas separation.
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13
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Seo CH, Lim SW, Min HJ, Kim JH, Kim JH. Preparation of semi-alicyclic homo- and blended polyimide membranes using alicyclic dianhydrides with kink structures and their gas separation properties. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.07.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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14
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Kunalan S, Palanivelu K. Polymeric composite membranes in carbon dioxide capture process: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:38735-38767. [PMID: 35275372 DOI: 10.1007/s11356-022-19519-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 02/25/2022] [Indexed: 06/14/2023]
Abstract
Carbon dioxide (CO2) emission to the atmosphere is the prime cause of certain environmental issues like global warming and climate change, in the present day scenario. Capturing CO2 from various stationary industrial emission sources is one of the initial steps to control the aforementioned problems. For this concern, a variety of resources, such as liquid absorbents, solid adsorbents, and membranes, have been utilized for CO2 capturing from various emission sources. Focused on membrane-based CO2 capture, polymeric membranes with composite structure (polymeric composite membrane) offer a better performance in CO2 capturing process than other membranes, due to the composite structure it offers higher gas flux and less material usage, thus facile to use high performed expensive material for membrane fabrication and achieved good efficacy in CO2 capture. This compressive review delivers the utilization of different polymeric composite membranes in CO2 capturing applications. Further, the types of polymeric materials used and the different physicochemical modifications of those membrane materials and their CO2 capturing ability are briefly discussed in the text. In conclusion, the current status and possible perspective ways to improve the CO2 capture process in industrial CO2 gas separation applications are described in this review.
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Affiliation(s)
- Shankar Kunalan
- Centre for Environmental Studies, Anna University, Chennai, 600 025, India
| | - Kandasamy Palanivelu
- Centre for Environmental Studies, Anna University, Chennai, 600 025, India.
- Centre for Climate Change and Disaster Management, Anna University, Chennai, 600 025, India.
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15
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Salahshoori I, Babapoor A, Seyfaee A. Elevated performance of the neat, hybrid and composite membranes by the addition of nanoparticles (ZIF-67): A molecular dynamics study. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-021-03673-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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16
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Maleh MS, Kiani S, Raisi A. Study on the advantageous effect of nano-clay and polyurethane on structure and CO2 separation performance of polyethersulfone based ternary mixed matrix membranes. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.01.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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17
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Novel polymeric additives in the preparation and modification of polymeric membranes: A comprehensive review. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.02.036] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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18
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Ansari A, Navarchian AH, Rajati H. Permselectivity improvement of
PEBAX
® 2533 membrane by addition of glassy polymers (Matrimid® and polystyrene) for
CO
2
/
N
2
separation. J Appl Polym Sci 2022. [DOI: 10.1002/app.51556] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Alireza Ansari
- Department of Chemical Engineering, Faculty of Engineering University of Isfahan Isfahan Iran
| | - Amir H. Navarchian
- Department of Chemical Engineering, Faculty of Engineering University of Isfahan Isfahan Iran
| | - Hajar Rajati
- Department of Chemical Engineering, Faculty of Engineering University of Isfahan Isfahan Iran
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19
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Jamil A, Ching OP, Iqbal T, Rafiq S, Zia-Ul-Haq M, Shahid MZ, Mubashir M, Manickam S, Show PL. Development of an extended model for the permeation of environmentally hazardous CO 2 gas across asymmetric hollow fiber composite membranes. JOURNAL OF HAZARDOUS MATERIALS 2021; 417:126000. [PMID: 33992016 DOI: 10.1016/j.jhazmat.2021.126000] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/17/2021] [Accepted: 04/29/2021] [Indexed: 06/12/2023]
Abstract
This study presents an extended thermodynamic and phenomenological combined model to mitigate the environmental hazardous acid gas over composite membranes. The model has been applied to an acid gas such as carbon dioxide (CO2) for its permeation through polyetherimide incorporated montmorillonite (Mt) nanoparticles hollow fiber asymmetric composite membranes. The well-established non-equilibrium lattice fluid (NELF) model for penetrating low molecular weight penetrant in a glassy polyetherimide (PEI) was extended to incorporate the other important polymer/filler system features such as tortuosity in acid gas diffusion pathways resulted from layered filler aspect ratio and concentration. The model mentioned above predicts the behavior of acid gas in PEI-Mt composite membranes based on thermodynamic characteristics of CO2 and PEI and tortuosity due to Mt. The calculated results are compared to experimentally determined values of CO2 permeability through PEI-Mt composite asymmetric hollow fiber membranes at varying transmembrane pressures and Mt concentrations. A reasonable agreement was found between the model predicted behavior and experimentally determined data in terms of CO2 solubility, Mt concentration and aspect ratio were calculated based on average absolute relative error (%AARE). The proposed modified model efficiently predicts the CO2 permeance across MMMs up to 3 wt% Mt loadings and 6 bar pressure with ± 10%AARE.
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Affiliation(s)
- Asif Jamil
- Department of Chemical, Polymer and Composite Materials Engineering, University of Engineering and Technology Lahore (New-Campus), Pakistan
| | - Oh Pei Ching
- CO2 Research Centre (CO2RES), Institute of Contaminant Management, Department of Chemical Engineering, Universiti Teknologi Petronas, Bandar Seri Iskandar, 32610 Perak, Malaysia
| | - Tanveer Iqbal
- Department of Chemical, Polymer and Composite Materials Engineering, University of Engineering and Technology Lahore (New-Campus), Pakistan
| | - Sikander Rafiq
- Department of Chemical, Polymer and Composite Materials Engineering, University of Engineering and Technology Lahore (New-Campus), Pakistan
| | - Muhammad Zia-Ul-Haq
- Department of Chemical, Polymer and Composite Materials Engineering, University of Engineering and Technology Lahore (New-Campus), Pakistan
| | - Muhammad Zubair Shahid
- CO2 Research Centre (CO2RES), Institute of Contaminant Management, Department of Chemical Engineering, Universiti Teknologi Petronas, Bandar Seri Iskandar, 32610 Perak, Malaysia
| | - Muhammad Mubashir
- Department of Petroleum Engineering, Faculty of Computing, Engineering & Technology, School of Engineering, Asia Pacific University of Technology, and Innovation, 57000 Kuala Lumpur, Malaysia
| | - Sivakumar Manickam
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Brunei
| | - Pau Loke Show
- Department of Chemical and Environmental Engineering, Faculty Science and Engineering, University of Nottingham, Malaysia, 43500 Semenyih, Selangor Darul Ehsan, Malaysia.
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20
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A Prospective Concept on the Fabrication of Blend PES/PEG/DMF/NMP Mixed Matrix Membranes with Functionalised Carbon Nanotubes for CO 2/N 2 Separation. MEMBRANES 2021; 11:membranes11070519. [PMID: 34357169 PMCID: PMC8303305 DOI: 10.3390/membranes11070519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/04/2021] [Accepted: 07/07/2021] [Indexed: 11/29/2022]
Abstract
With an ever-increasing global population, the combustion of fossil fuels has risen immensely to meet the demand for electricity, resulting in significant increase in carbon dioxide (CO2) emissions. In recent years, CO2 separation technology, such as membrane technology, has become highly desirable. Fabricated mixed matrix membranes (MMMs) have the most desirable gas separation performances, as these membranes have the ability to overcome the trade-off limitations. In this paper, blended MMMs are reviewed along with two polymers, namely polyether sulfone (PES) and polyethylene glycol (PEG). Both polymers can efficiently separate CO2 because of their chemical properties. In addition, blended N-methyl-2-pyrrolidone (NMP) and dimethylformamide (DMF) solvents were also reviewed to understand the impact of blended MMMs’ morphology on separation of CO2. However, the fabricated MMMs had challenges, such as filler agglomeration and void formation. To combat this, functionalised multi-walled carbon nanotube (MWCNTs-F) fillers were utilised to aid gas separation performance and polymer compatibility issues. Additionally, a summary of the different fabrication techniques was identified to further optimise the fabrication methodology. Thus, a blended MMM fabricated using PES, PEG, NMP, DMF and MWCNTs-F is believed to improve CO2/nitrogen separation.
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21
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Asim M, Khan A, Helal A, Alshitari W, Akbar UA, Khan MY. A 2D Graphitic-Polytriaminopyrimidine (g-PTAP)/Poly(ether-block-amide) Mixed Matrix Membrane for CO 2 Separation. Chem Asian J 2021; 16:1839-1848. [PMID: 34036746 DOI: 10.1002/asia.202100390] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/18/2021] [Indexed: 11/08/2022]
Abstract
Poly(ether-block-amide)/g-PTAP mixed matrix membranes (MMMs) were developed by incorporating different wt.% (1-10%) of a novel 2D g-PTAP nanofiller and its effects on membrane structure and gas permeability were studied. The novel 2D material g-PTAP was synthesized and characterized by various analytical techniques including field-emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) and Raman spectroscopy. The fabricated MMMs were investigated to study the interaction and compatibility between Pebax and g-PTAP. The MMMs showed an effective integration of g-PTAP nanofiller into the Pebax matrix without affecting its thermal stability. Gas permeation experiments with MMMs showed improved CO2 permeability and selectivity (CO2 /N2 ) upon incorporation of g-PTAP in the Pebax polymer matrix. The maximum CO2 permeability enhancement from 82.3 to 154.6 Barrer with highest CO2 /N2 selectivity from 49.5 to 83.5 were found with 2.5 wt.% of nanofiller compared to neat Pebax membranes.
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Affiliation(s)
- Mohd Asim
- Department of Chemistry, Faculty of Science, University of Jeddah, Jeddah, 21589, Saudi Arabia
| | - Abuzar Khan
- Center of Research Excellence in Nanotechnology, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
| | - Aasif Helal
- Center of Research Excellence in Nanotechnology, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
| | - Wael Alshitari
- Department of Chemistry, Faculty of Science, University of Jeddah, Jeddah, 21589, Saudi Arabia
| | - Usman A Akbar
- Department of Mechanical Engineering, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
| | - Mohd Yusuf Khan
- Center of Research Excellence in Nanotechnology, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
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22
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The effect of silica nanoparticles on polysulfone–polyethylene glycol (PSF/PEG) composite membrane on gas separation and rheological properties of nanocomposites. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-020-03255-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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23
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Improvement efficiency of the of poly (ether-block-amide) -Cellulose acetate (Pebax-CA) blend by the addition of nanoparticles (MIL-53 and NH2-MIL-53): A molecular dynamics study. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02577-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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24
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The prospect of synthesis of PES/PEG blend membranes using blend NMP/DMF for CO2/N2 separation. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02500-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
AbstractCarbon dioxide (CO2) emissions have been the root cause for anthropogenic climate change. Decarbonisation strategies, particularly carbon capture and storage (CCS) are crucial for mitigating the risk of global warming. Among all current CO2 separation technologies, membrane separation has the biggest potential for CCS as it is inexpensive, highly efficient, and simple to operate. Polymeric membranes are the preferred choice for the gas separation industry due to simpler methods of fabrication and lower costs compared to inorganic or mixed matrix membranes (MMMs). However, plasticisation and upper-bound trade-off between selectivity and permeability has limited the gas separation performance of polymeric membranes. Recently, researchers have found that the blending of glassy and rubbery polymers can effectively minimise trade-off between selectivity and permeability. Glassy poly(ethersulfone) (PES) and rubbery poly(ethylene) glycol (PEG) are polymers that are known to have a high affinity towards CO2. In this paper, PEG and PES are reviewed as potential polymer blend that can yield a final membrane with high CO2 permeance and CO2/nitrogen (N2) selectivity. Gas separation properties can be enhanced by using different solvents in the phase-inversion process. N-Methyl-2-Pyrrolidone (NMP) and Dimethylformamide (DMF) are common industrial solvents used for membrane fabrication. Both NMP and DMF are reviewed as prospective solvent blend that can improve the morphology and separation properties of PES/PEG blend membranes due to their effects on the membrane structure which increases permeation as well as selectivity. Thus, a PES/PEG blend polymeric membrane fabricated using NMP and DMF solvents is believed to be a major prospect for CO2/N2 gas separation.
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25
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Orme CJ, McNally JS, Klaehn JR, Stewart FF. Mixed substituent
ether‐containing
polyphosphazene/poly(bis‐phenoxyphosphazene) blends as membranes for
CO
2
separation from
N
2
. J Appl Polym Sci 2021. [DOI: 10.1002/app.50207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Christopher J. Orme
- Biological and Chemical Science and Engineering Department, Idaho National Laboratory Idaho Falls Idaho USA
| | - Joshua S. McNally
- Biological and Chemical Science and Engineering Department, Idaho National Laboratory Idaho Falls Idaho USA
| | - John R. Klaehn
- Biological and Chemical Science and Engineering Department, Idaho National Laboratory Idaho Falls Idaho USA
| | - Frederick F. Stewart
- Biological and Chemical Science and Engineering Department, Idaho National Laboratory Idaho Falls Idaho USA
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26
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Wu Y, Zhao D, Chen S, Ren J, Hua K, Li H, Deng M. The effect of structure change from polymeric membrane to gel membrane on CO2 separation performance. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.118243] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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27
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The Effect of the Oleophobicity Deterioration of a Membrane Surface on Its Rejection Capacity: A Computational Fluid Dynamics Study. MEMBRANES 2021; 11:membranes11040253. [PMID: 33807347 PMCID: PMC8065469 DOI: 10.3390/membranes11040253] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/21/2021] [Accepted: 03/25/2021] [Indexed: 11/20/2022]
Abstract
In this work, the effects of the deteriorating affinity-related properties of membranes due to leaching and erosion on their rejection capacity were studied via computational fluid dynamics (CFD). The function of affinity-enhancing agents is to modify the wettability state of the surface of a membrane for dispersed droplets. The wettability conditions can be identified by the contact angle a droplet makes with the surface of the membrane upon pinning. For the filtration of fluid emulsions, it is generally required that the surface of the membrane is nonwetting for the dispersed droplets such that the interfaces that are formed at the pore openings provide the membrane with a criterion for the rejection of dispersals. Since materials that make up the membrane do not necessarily possess the required affinity, it is customary to change it by adding affinity-enhancing agents to the base material forming the membrane. The bonding and stability of these materials can be compromised during the lifespan of a membrane due to leaching and erosion (in crossflow filtration), leading to a deterioration of the rejection capacity of the membrane. In order to investigate how a decrease in the contact angle can lead to the permeation of droplets that would otherwise get rejected, a CFD study was conducted. In the CFD study, a droplet was released in a crossflow field that involved a pore opening and the contact angle was considered to decrease with time as a consequence of the leaching of affinity-enhancing agents. The CFD analysis revealed that the decrease in the contact angle resulted in the droplet spreading over the surface more. Furthermore, the interface that was formed at the entrance of the pore opening flattened as the contact angle decreased, leading the interface to advance more inside the pore. The droplet continued to pass over the pore opening until the contact angle reached a certain value, at which point, the droplet became pinned at the pore opening.
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28
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Fan ST, Qiu ZJ, Xu RY, Zhang SX, Chen ZH, Nie ZJ, Shu HR, Guo K, Zhang S, Li BJ. Ultrahigh Carbon Dioxide-Selective Composite Membrane Containing a γ-CD-MOF Layer. ACS APPLIED MATERIALS & INTERFACES 2021; 13:13034-13043. [PMID: 33719405 DOI: 10.1021/acsami.0c18861] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Mixed matrix membranes (MMMs) for CO2 separation have overcome the trade-off between gas permeability and gas selectivity to some extent. However, most MMMs still are prepared in lab- and pilot-scales since the permeability and selectivity of CO2 are not good enough to reach the economically available requirements. Moreover, the fabrication of few MMMs with good separation performance is time-consuming or need harsh conditions. In this study, a novel MOF-based composite membrane (PAN-γ-CD-MOF-PU membrane) was successfully fabricated by a facile and fast spin-coating method. In the two-step coating process, we applied a uniform selective layer of γ-cyclodextrin-MOF (γ-CD-MOF) on porous polyacrylonitrile and then coated a layer of polyurethane on the γ-CD-MOF layer. The entire membrane formation process was about 30 s. The formation of a unique γ-CD-MOF layer greatly improved the separation ability of CO2 (the CO2 permeability is 70.97 barrers; the selectivity to CO2/N2 and CO2/O2 are 253.46 and 154.28, respectively). The gas separation performance can exceed the Robeson upper limit obviously and the selectivity is better than other MOF-based composite membranes. In addition, the PAN-γ-CD-MOF-PU membrane is strong and flexible. Therefore, the PAN-γ-CD-MOF-PU membrane developed in this study has great potential in large-scale industrial separation of CO2.
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Affiliation(s)
- Shu-Ting Fan
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Sichuan University, Chengdu 610065, China
| | - Zhen-Jiang Qiu
- Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ruo-Yu Xu
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Sichuan University, Chengdu 610065, China
| | - Shao-Xia Zhang
- Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhi-Hui Chen
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Sichuan University, Chengdu 610065, China
| | - Zi-Jun Nie
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Sichuan University, Chengdu 610065, China
| | - Hao-Ran Shu
- College of Pharmacy, Southwest Minzu University, Chengdu 610041, China
| | - Kun Guo
- College of Pharmacy, Southwest Minzu University, Chengdu 610041, China
| | - Sheng Zhang
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Sichuan University, Chengdu 610065, China
| | - Bang-Jing Li
- Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
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29
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Dorigato A, Mahmood H, Pegoretti A. Optimization of the thermal mending process in epoxy/cyclic olefin copolymer blends. J Appl Polym Sci 2021. [DOI: 10.1002/app.49937] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Andrea Dorigato
- Department of Industrial Engineering University of Trento Trento Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM) Florence Italy
| | - Haroon Mahmood
- Department of Industrial Engineering University of Trento Trento Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM) Florence Italy
| | - Alessandro Pegoretti
- Department of Industrial Engineering University of Trento Trento Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM) Florence Italy
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30
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Akbarzadeh E, Shockravi A, Vatanpour V. High performance compatible thiazole-based polymeric blend cellulose acetate membrane as selective CO 2 absorbent and molecular sieve. Carbohydr Polym 2021; 252:117215. [PMID: 33183645 DOI: 10.1016/j.carbpol.2020.117215] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 10/07/2020] [Accepted: 10/07/2020] [Indexed: 12/25/2022]
Abstract
Green blend membranes comprise of high thermal resistance ortho-linked thiazole-based polyimine (PM-4) including thioether linkage were fabricated in combination of glassy cellulose acetate (CA). The thermal stabilities of PMs were examined using thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). Morphological aspects and functional groups of the membranes were investigated via field emission scanning electron microscopy (FESEM) and Fourier transform infrared spectroscopy-attenuated total reflectance (FTIR-ATR) analysis respectively. X-ray diffraction (XRD) and mechanical strength were determined as well. The effects of polyimine content, pressure and temperature were studied on CO2 permeability (P) and selectivity. The pressure changes revealed exponentially increases on CO2 permeability by plasticization, facilitated transfer and solution-diffusion mechanisms, but decreases on CH4 and N2 permeations. Remarkable permeation (P = 3000 Barrer) of CA/PM-4 (1:3 % w/w) and ideal selectivity ratios of CO2/N2 = 59, CO2/CH4 = 33.7 were obtained at 3 bar and 35 °C versus neat CA membrane.
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Affiliation(s)
- Elaheh Akbarzadeh
- Department of Organic Chemistry, Faculty of Chemistry, Kharazmi University, Mofatteh Avenue 49, 15719-14911 Tehran, Iran.
| | - Abbas Shockravi
- Department of Organic Chemistry, Faculty of Chemistry, Kharazmi University, Mofatteh Avenue 49, 15719-14911 Tehran, Iran.
| | - Vahid Vatanpour
- Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, Mofatteh Avenue 49, 15719-14911 Tehran, Iran.
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31
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Development and Performance Evaluation of Cellulose Acetate-Bentonite Mixed Matrix Membranes for CO2 Separation. ADVANCES IN POLYMER TECHNOLOGY 2020. [DOI: 10.1155/2020/8855577] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Membrane science is a state-of-the-art environmentally green technology that ascertains superior advantages over traditional counterparts for CO2 capture and separation. In this research, mixed matrix membranes (MMMs) comprising cellulose acetate (CA) with various loadings of bentonite (Bt) clay were fabricated by adopting the phase-inversion technique for CO2/CH4 and CO2/N2 separation. The developed pristine and MMMs were characterized for morphological, thermal, structural, and mechanical analyses. Several techniques such as scanning electron microscopy, thermogravimetric analysis, Fourier transformed infrared spectroscopy, and nano-indentation investigations revealed the promising effect of Bt clay in MMMs as compared to pristine CA membrane. Nano-indentation test identified that elastic modulus and hardness of the MMM with 1 wt. loading was increased by 64% and 200%, respectively, compared to the pristine membrane. The permeability decreased with the incorporation of Bt clay due to uniform dispersion of filler attributed to enhanced tortuosity for the gas molecules. Nevertheless, an increase in gas separation performance was observed with Bt addition up to 1 wt. loading. The opposite trend prevailed with increasing Bt concentration on the separation performance owing to filler agglomeration and voids creation. The maximum value of ideal selectivity (CO2/CH4) was achieved at 2 bar pressure with 1 wt. % Bt loading, which is 79% higher than the pristine CA membrane. For CO2/N2, the ideal selectivity was 123% higher compared to the pristine membrane with 1 wt. % Bt loading at 4 bar pressure.
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32
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Selective CO2 capture through microporous Tb(BTC)(H2O).(DMF)1.1 MOF as an additive in novel MMMs fabricated from Matrimid® 5218. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.10.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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33
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In-situ growth of ZIF-8 in amphiphilic graft copolymer for mixed matrix membranes with simultaneous improvement of permeability and selectivity. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.117514] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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34
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Makertihartha IGBN, Kencana KS, Dwiputra TR, Khoiruddin K, Lugito G, Mukti RR, Wenten IG. SAPO-34 zeotype membrane for gas sweetening. REV CHEM ENG 2020. [DOI: 10.1515/revce-2019-0086] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Abstract
Membranes are considered promising tools for gas sweetening due to their lower footprint (i.e., area and energy requirement, considering elimination of solvent/absorbent and its associated regeneration procedures), and ease of scale-up. Performing membrane gas separation is strongly dependent on membrane materials. With a 0.38-nm pore size, the SAPO-34 membrane surpasses the upper bond limit for CO2/CH4 separation. However, preparing defect-free and high-performance zeolite membranes is quite challenging. This paper reviews gas transport and separation mechanisms in SAPO-34 membranes, and it discusses prospective approaches for obtaining membranes with defect-free selective layers and hence high separation performance. Highlights, as well as the authors’ perspectives on the future development of SAPO-34 membranes in the field of gas separation, are pointed out.
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Affiliation(s)
- I Gusti B. N. Makertihartha
- Department of Chemical Engineering , Institut Teknologi Bandung , Jl. Ganesha No. 10 , Bandung , Indonesia
- Center for Catalysis and Reaction Engineering , Institut Teknologi Bandung , Jl. Ganesha No. 10 , Bandung , Indonesia
| | - Kevin S. Kencana
- Department of Chemical Engineering , Institut Teknologi Bandung , Jl. Ganesha No. 10 , Bandung , Indonesia
| | - Theodorus R. Dwiputra
- Department of Chemical Engineering , Institut Teknologi Bandung , Jl. Ganesha No. 10 , Bandung , Indonesia
| | - Khoiruddin Khoiruddin
- Department of Chemical Engineering , Institut Teknologi Bandung , Jl. Ganesha No. 10 , Bandung , Indonesia
- Research Center for Nanosciences and Nanotechnology , Institut Teknologi Bandung , Jl. Ganesha No. 10 , Bandung , Indonesia
| | - Graecia Lugito
- Department of Chemical Engineering , Institut Teknologi Bandung , Jl. Ganesha No. 10 , Bandung , Indonesia
| | - Rino R. Mukti
- Center for Catalysis and Reaction Engineering , Institut Teknologi Bandung , Jl. Ganesha No. 10 , Bandung , Indonesia
- Division of Inorganic and Physical Chemistry , Institut Teknologi Bandung , Jl. Ganesha No. 10 , Bandung , Indonesia
- Research Center for Nanosciences and Nanotechnology , Institut Teknologi Bandung , Jl. Ganesha No. 10 , Bandung , Indonesia
| | - I Gede Wenten
- Department of Chemical Engineering , Institut Teknologi Bandung , Jl. Ganesha No. 10 , Bandung , Indonesia
- Research Center for Nanosciences and Nanotechnology , Institut Teknologi Bandung , Jl. Ganesha No. 10 , Bandung , Indonesia
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35
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Muzata TS, L JP, Bose S. Nanoparticles influence miscibility in LCST polymer blends: from fundamental perspective to current applications. Phys Chem Chem Phys 2020; 22:20167-20188. [PMID: 32966418 DOI: 10.1039/d0cp01814g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Polymer blending is an effective method that can be used to fabricate new versatile materials with enhanced properties. The blending of two polymers can result in either a miscible or an immiscible polymer blend system. This present review provides an in-depth summary of the miscibility of LCST polymer blend systems, an area that has garnered much attention in the past few years. The initial discourse of the present review mainly focuses on process-induced changes in the miscibility of polymer blend systems, and how the preparation of polymer blends affects their final properties. This review further highlights how nanoparticles induce miscibility and describes the various methods that can be implemented to avoid nanoparticle aggregation. The concepts and different state-of-the-art experimental methods which can be used to determine miscibility in polymer blends are also highlighted. Lastly, the importance of studying miscible polymer blends is extensively explored by looking at their importance in barrier materials, EMI shielding, corrosion protection, light-emitting diodes, gas separation, and lithium battery applications. The primary goal of this review is to cover the journey from the fundamental aspects of miscible polymer blends to their applications.
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Affiliation(s)
- Tanyaradzwa S Muzata
- Department of Materials Engineering, Indian Institute of Science, Bangalore 560012, India.
| | - Jagadeshvaran P L
- Department of Materials Engineering, Indian Institute of Science, Bangalore 560012, India.
| | - Suryasarathi Bose
- Department of Materials Engineering, Indian Institute of Science, Bangalore 560012, India.
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Nanohybrid Membrane Synthesis with Phosphorene Nanoparticles: A Study of the Addition, Stability and Toxicity. Polymers (Basel) 2020; 12:polym12071555. [PMID: 32674304 PMCID: PMC7408299 DOI: 10.3390/polym12071555] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 07/10/2020] [Accepted: 07/13/2020] [Indexed: 01/08/2023] Open
Abstract
Phosphorene is a promising candidate as a membrane material additive because of its inherent photocatalytic properties and electrical conductance which can help reduce fouling and improve membrane properties. The main objective of this study was to characterize structural and morphologic changes arising from the addition of phosphorene to polymeric membranes. Here, phosphorene was physically incorporated into a blend of polysulfone (PSf) and sulfonated poly ether ether ketone (SPEEK) doping solution. Protein and dye rejection studies were carried out to determine the permeability and selectivity of the membranes. Since loss of material additives during filtration processes is a challenge, the stability of phosphorene nanoparticles in different environments was also examined. Furthermore, given that phosphorene is a new material, toxicity studies with a model nematode, Caenorhabditis elegans, were carried out to provide insight into the biocompatibility and safety of phosphorene. Results showed that membranes modified with phosphorene displayed a higher protein rejection, but lower flux values. Phosphorene also led to a 70% reduction in dye fouling after filtration. Additionally, data showed that phosphorene loss was negligible within the membrane matrix irrespective of the pH environment. Phosphorene caused toxicity to nematodes in a free form, while no toxicity was observed for membrane permeates.
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37
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Imidazole-functionalized hydrophilic rubbery comb copolymers: Microphase-separation and good gas separation properties. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116780] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Butnaru I, Constantin CP, Asandulesa M, Wolińska-Grabczyk A, Jankowski A, Szeluga U, Damaceanu MD. Insights into molecular engineering of membranes based on fluorinated polyimide-polyamide miscible blends which do not obey the trade-off rule. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2019.116031] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Chouliaras T, Vollas A, Ioannides T, Deimede V, Kallitsis J. Synthesis of Imidazolium based PILs and Investigation of Their Blend Membranes for Gas Separation. MEMBRANES 2019; 9:membranes9120164. [PMID: 31817030 PMCID: PMC6950310 DOI: 10.3390/membranes9120164] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 11/28/2019] [Accepted: 11/29/2019] [Indexed: 11/16/2022]
Abstract
Polymeric (ionic liquid) (PIL) copolymers bearing cationic imidazolium pendants and polar acrylic acid groups (P(VBCImY-co-AAx)), which both favor the interaction with CO2 molecules, have been synthesized and blended with film forming, high glass transition temperature aromatic polyether-based pyridinium PILs (PILPyr). The blend membranes based on the above combination have been prepared and characterized in respect to their thermal and morphological behavior as well as to their gas separation properties. The used copolymers and blends showed a wide range of glass transition temperatures from 32 to 286 °C, while blends exhibited two phase morphology despite the presence of polar groups in the blend components that could participate in specific interactions. Finally, the membranes were studied in terms of their gas separation behavior. It revealed that blend composition, counter anion type and acrylic acid molar percentage affect the gas separation properties. In particular, PILPyr-TFSI/P(VBCImTFSI-co-AA20) blend with 80/20 composition shows CO2 permeability of 7.00 Barrer and quite high selectivity of 103 for the CO2/CH4 gas pair. Even higher CO2/CH4. selectivity of 154 was achieved for PILPyr-BF4/P(VBCImBF4-co-AA10) blend with composition 70/30.
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Affiliation(s)
- Thanasis Chouliaras
- Department of Chemistry, University of Patras, GR 26504 Patras, Greece; (T.C.); (A.V.); (J.K.)
| | - Aristofanis Vollas
- Department of Chemistry, University of Patras, GR 26504 Patras, Greece; (T.C.); (A.V.); (J.K.)
| | - Theophilos Ioannides
- Foundation for Research and Technology, Institute of Chemical Engineering Sciences (FORTH/ICE-HT), GR 26504 Patras, Greece;
| | - Valadoula Deimede
- Department of Chemistry, University of Patras, GR 26504 Patras, Greece; (T.C.); (A.V.); (J.K.)
- Correspondence: ; Tel.: +30-2610-962958
| | - Joannis Kallitsis
- Department of Chemistry, University of Patras, GR 26504 Patras, Greece; (T.C.); (A.V.); (J.K.)
- Foundation for Research and Technology, Institute of Chemical Engineering Sciences (FORTH/ICE-HT), GR 26504 Patras, Greece;
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Wong KK, Jawad ZA. A review and future prospect of polymer blend mixed matrix membrane for CO2 separation. JOURNAL OF POLYMER RESEARCH 2019. [DOI: 10.1007/s10965-019-1978-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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41
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Investigation of the gas permeability properties from polysulfone/polyethylene glycol composite membrane. Polym Bull (Berl) 2019. [DOI: 10.1007/s00289-019-03031-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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42
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Fauzan NAB, Mannan HA, Nasir R, Mohshim DFB, Mukhtar H. Various Techniques for Preparation of Thin‐Film Composite Mixed‐Matrix Membranes for CO
2
Separation. Chem Eng Technol 2019. [DOI: 10.1002/ceat.201800520] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Nur Aqilah Bt Fauzan
- Universiti Teknologi PETRONASChemical Engineering Department 32610 Seri Iskandar Perak Malaysia
| | - Hafiz Abdul Mannan
- Universiti Teknologi PETRONASChemical Engineering Department 32610 Seri Iskandar Perak Malaysia
| | - Rizwan Nasir
- University of JeddahDepartment of Chemical Engineering 23890 Jeddah Saudi Arabia
| | - Dzeti Farhah Bt Mohshim
- Universiti Teknologi PETRONASPetroleum Engineering Department 32610 Seri Iskandar Perak Malaysia
| | - Hilmi Mukhtar
- Universiti Teknologi PETRONASChemical Engineering Department 32610 Seri Iskandar Perak Malaysia
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Influence of Blend Composition and Silica Nanoparticles on the Morphology and Gas Separation Performance of PU/PVA Blend Membranes. MEMBRANES 2019; 9:membranes9070082. [PMID: 31284399 PMCID: PMC6680712 DOI: 10.3390/membranes9070082] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 06/27/2019] [Accepted: 07/03/2019] [Indexed: 11/17/2022]
Abstract
Polymer blending and mixed-matrix membranes are well-known modification techniques for tuning the gas separation properties of polymer membranes. Here, we studied the gas separation performance of mixed-matrix membranes (MMMs) based on the polyurethane/poly(vinyl alcohol) (PU/PVA) blend containing silica nanoparticles. Pure (CO2, CH4, N2, O2) and mixed-gas (CO2/N2 and CO2/CH4) permeability experiments were carried out at 10 bar and 35 °C. Poly(vinyl alcohol) (PVA) with a molecular weight of 200 kDa (PVA200) was blended with polyurethane (PU) to increase the CO2 solubility, while the addition of silica particles to the PU/PVA blend membranes augmented the CO2 separation performance. The SEM images of the membranes showed that the miscibility of the blend improved by increasing the PVA contents. The membrane containing 10 wt % of PVA200 (PU/PVA200–10) exhibited the highest CO2/N2~32.6 and CO2/CH4~9.5 selectivities among other blend compositions, which increased to 45.1 and 15.2 by incorporating 20 wt % nano-silica particles.
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Predicting CO2 Permeation through an Enhanced Ionic Liquid Mixed Matrix Membrane (IL3M). INTERNATIONAL JOURNAL OF CHEMICAL ENGINEERING 2019. [DOI: 10.1155/2019/9525783] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Ionic liquid mixed matrix membranes (IL3Ms) were synthesized using polyethersulfone (PES) as the base polymer and silica-aluminophosphate (SAPO-34) as the dispersed particles, and their CO2 permeation was investigated. Three of the most widely used models for gas separation—the Maxwell, Lewis–Nielson, and Maxwell–Wagner–Sillar (MWS) models—were then applied to the membranes. Large deviations were found between the model predictions and experimental data. FESEM images suggested that local agglomeration and disorientation of the SAPO-34 particles within the membrane afforded substantial changes in the morphology. The MWS model, which considers the shape factor, was modified to incorporate the volume fraction of the wetted dispersed phase and the ideal shape factor. A direct relationship was found between the filler concentration and the shape factor. The modified model was shown to produce absolute and relative errors of less than 3%. When validated against data from the literature, the deviation remained within 5%. The modified model can be used to estimate the gas permeance of an IL3M.
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46
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Fakhar A, Sadeghi M, Dinari M, Lammertink R. Association of hard segments in gas separation through polyurethane membranes with aromatic bulky chain extenders. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2018.12.062] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Abd. Hamid MA, Chung YT, Rohani R, Mohd. Junaidi MU. Miscible-blend polysulfone/polyimide membrane for hydrogen purification from palm oil mill effluent fermentation. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2018.07.067] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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48
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Esposito E, Mazzei I, Monteleone M, Fuoco A, Carta M, McKeown NB, Malpass-Evans R, Jansen JC. Highly Permeable Matrimid ®/PIM-EA(H₂)-TB Blend Membrane for Gas Separation. Polymers (Basel) 2018; 11:E46. [PMID: 30960029 PMCID: PMC6401697 DOI: 10.3390/polym11010046] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 12/21/2018] [Accepted: 12/25/2018] [Indexed: 11/17/2022] Open
Abstract
The effect on the gas transport properties of Matrimid®5218 of blending with the polymer of intrinsic microporosity PIM-EA(H₂)-TB was studied by pure and mixed gas permeation measurements. Membranes of the two neat polymers and their 50/50 wt % blend were prepared by solution casting from a dilute solution in dichloromethane. The pure gas permeability and diffusion coefficients of H₂, He, O₂, N₂, CO₂ and CH₄ were determined by the time lag method in a traditional fixed volume gas permeation setup. Mixed gas permeability measurements with a 35/65 vol % CO₂/CH₄ mixture and a 15/85 vol % CO₂/N₂ mixture were performed on a novel variable volume setup with on-line mass spectrometric analysis of the permeate composition, with the unique feature that it is also able to determine the mixed gas diffusion coefficients. It was found that the permeability of Matrimid increased approximately 20-fold with the addition of 50 wt % PIM-EA(H₂)-TB. Mixed gas permeation measurements showed a slightly stronger pressure dependence for selectivity of separation of the CO₂/CH₄ mixture as compared to the CO₂/N₂ mixture, particularly for both the blended membrane and the pure PIM. The mixed gas selectivity was slightly higher than for pure gases, and although N₂ and CH₄ diffusion coefficients strongly increase in the presence of CO₂, their solubility is dramatically reduced as a result of competitive sorption. A full analysis is provided of the difference between the pure and mixed gas transport parameters of PIM-EA(H₂)-TB, Matrimid®5218 and their 50:50 wt % blend, including unique mixed gas diffusion coefficients.
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Affiliation(s)
- Elisa Esposito
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/C, 87036 Rende (CS), Italy.
| | - Irene Mazzei
- Department of Chemistry, Durham University, Stockton Road, Durham DH1 3LE, UK.
| | - Marcello Monteleone
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/C, 87036 Rende (CS), Italy.
| | - Alessio Fuoco
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/C, 87036 Rende (CS), Italy.
| | - Mariolino Carta
- Department of Chemistry, College of Science, Swansea University, Grove Building, Singleton Park, Swansea SA2 8PP, UK.
| | - Neil B McKeown
- EastChem, School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh EH9 3FJ, UK.
| | - Richard Malpass-Evans
- EastChem, School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh EH9 3FJ, UK.
| | - Johannes C Jansen
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/C, 87036 Rende (CS), Italy.
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Abdul Mannan H, Yih TM, Nasir R, Muhktar H, Mohshim DF. Fabrication and characterization of polyetherimide/polyvinyl acetate polymer blend membranes for CO 2/CH 4separation. POLYM ENG SCI 2018. [DOI: 10.1002/pen.24945] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Hafiz Abdul Mannan
- Department of Chemical Engineering; Universiti Teknologi PETRONAS; Bandar Seri Iskandar Perak 32610 Malaysia
| | - Tan Ming Yih
- Department of Chemical Engineering; Universiti Teknologi PETRONAS; Bandar Seri Iskandar Perak 32610 Malaysia
| | - Rizwan Nasir
- Department of Chemical Engineering; Universiti Teknologi PETRONAS; Bandar Seri Iskandar Perak 32610 Malaysia
- Department of Chemical Engineering; NFC Institute of Engineering and Fertilizer Research; Faisalabad 38090 Pakistan
| | - Hilmi Muhktar
- Department of Chemical Engineering; Universiti Teknologi PETRONAS; Bandar Seri Iskandar Perak 32610 Malaysia
| | - Dzeti Farhah Mohshim
- Department of Petroleum Engineering; Universiti Teknologi PETRONAS; Bandar Seri Iskandar Perak 32610 Malaysia
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50
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Padmanabhan V. Polyamides with phosphaphenanthrene skeleton and substituted triphenylamine for gas separation membranes. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2018.08.064] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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