1
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Jiao Y, Wu Q, Xu W, Lai W, Xiao L, Mei X, Zhang H, Luo S. Coordination enhancement of hydrogen and helium recovery in polybenzimidazole-based carbon molecular sieve membranes. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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2
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Liu G, Li R, Chen X, Cheng L, Liu Y, Liu G, Jin W. Pyrolysis temperature-regulated gas transport and aging properties in 6FDA-DAM polyimide-derived carbon molecular sieve membranes. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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3
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Liu Z, Qiu W, Quan W, Koros WJ. Advanced carbon molecular sieve membranes derived from molecularly engineered cross-linkable copolyimide for gas separations. NATURE MATERIALS 2023; 22:109-116. [PMID: 36509871 DOI: 10.1038/s41563-022-01426-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 10/31/2022] [Indexed: 06/17/2023]
Abstract
Carbon molecular sieve (CMS) membranes with precise molecular discrimination ability and facile scalability are attractive next-generation membranes for large-scale, energy-efficient gas separations. Here, structurally engineered CMS membranes derived from a tailor-made cross-linkable copolyimide with kinked structure are reported. We demonstrate that combining two features, kinked backbones and cross-linkable backbones, to engineer polyimide precursors while controlling pyrolysis conditions allows the creation of CMS membranes with improved gas separation performance. Our results indicate that the CMS membranes provide a versatile platform for a broad spectrum of challenging gas separations. The gas transport properties of the resulting CMS membranes are interpreted in terms of a model reflecting both molecular sieving Langmuir domains and a disordered continuous phase, thereby providing insight into structure evolution from the cross-linkable polyimide precursor to a final CMS membrane. With this understanding of CMS membrane structure and separation performance, these systems are promising for environmentally friendly gas separations.
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Affiliation(s)
- Zhongyun Liu
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Wulin Qiu
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Wenying Quan
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - William J Koros
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA.
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4
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Zhou Y, Yuan Y, Cong S, Liu X, Wang Z. N2-selective adsorbents and membranes for natural gas purification. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121808] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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5
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Carbon molecular sieve gas separation membranes from crosslinkable bromomethylated 6FDA-DAM polyimide. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120781] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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6
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Influence of chain length on structural properties of carbon molecular sieving membranes and their effects on CO 2, CH 4 and N 2 adsorption: A molecular simulation study. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.121044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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7
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High-performance carbon molecular sieving membrane derived from a novel hydroxyl-containing polyetherimide precursor for CO2 separations. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120639] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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8
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Hou M, Li L, Song J, Xu R, He Z, Lu Y, Pan Z, Song C, Wang T. Polyimide-derived carbon molecular sieve membranes for high-efficient hydrogen purification: The development of a novel phthalide-containing polyimide precursor. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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9
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Enhanced gas separation by free volume tuning in a crown ether-containing polyimide membrane. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121116] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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10
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Carbon molecular sieve hollow fiber membranes derived from dip-coated precursor hollow fibers comprising nanoparticles. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120279] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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11
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Hazazi K, Wang Y, Bettahalli NS, Ma X, Xia Y, Pinnau I. Catalytic arene-norbornene annulation (CANAL) ladder polymer derived carbon membranes with unparalleled hydrogen/carbon dioxide size-sieving capability. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120548] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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12
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Genduso G, Hazazi K, Ali Z, Ghanem BS, Alhazmi A, Pinnau I. Carbon dioxide/methane mixed-gas adsorption, permeation and diffusion in a carbon molecular sieve film: Experimental observation and modeling. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2021.120114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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13
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High-temperature hydrogen/propane separations in asymmetric carbon molecular sieve hollow fiber membranes. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2021.119978] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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14
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Pan Y, He L, Ren Y, Wang W, Wang T. Analysis of Influencing Factors on the Gas Separation Performance of Carbon Molecular Sieve Membrane Using Machine Learning Technique. MEMBRANES 2022; 12:membranes12010100. [PMID: 35054626 PMCID: PMC8778672 DOI: 10.3390/membranes12010100] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 01/12/2022] [Accepted: 01/13/2022] [Indexed: 11/16/2022]
Abstract
Gas separation performance of the carbon molecular sieve (CMS) membrane is influenced by multiple factors including the microstructural characteristics of carbon and gas properties. In this work, the support vector regression (SVR) method as a machine learning technique was applied to the correlation between the gas separation performance, the multiple membrane structure, and gas characteristic factors of the self-manufactured CMS membrane. A simple quantitative index based on the Robeson’s upper bound line, which indicated the gas permeability and selectivity simultaneously, was proposed to measure the gas separation performance of CMS membrane. Based on the calculation results, the inferred key factors affecting the gas permeability of CMS membrane were the fractional free volume (FFV) of the precursor, the average interlayer spacing of graphite-like carbon sheet, and the final carbonization temperature. Moreover, the most influential factors for the gas separation performance were supposed to be the two structural factors of precursor influencing the porosity of CMS membrane, the carbon residue and the FFV, and the ratio of the gas kinetic diameters. The results would be helpful to the structural optimization and the separation performance improvement of CMS membrane.
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Affiliation(s)
- Yanqiu Pan
- School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; (Y.P.); (L.H.); (T.W.)
| | - Liu He
- School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; (Y.P.); (L.H.); (T.W.)
- Jihua Laboratory, Foshan 528000, China
| | - Yisu Ren
- Faculty of Science, The University of Melbourne, Melbourne, VIC 3010, Australia;
| | - Wei Wang
- School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; (Y.P.); (L.H.); (T.W.)
- Correspondence:
| | - Tonghua Wang
- School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; (Y.P.); (L.H.); (T.W.)
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15
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Lee TH, Moghadam F, Jung JG, Kim YJ, Roh JS, Yoo SY, Lee BK, Kim JH, Pinnau I, Park HB. In Situ Derived Hybrid Carbon Molecular Sieve Membranes with Tailored Ultramicroporosity for Efficient Gas Separation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2104698. [PMID: 34632705 DOI: 10.1002/smll.202104698] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 08/23/2021] [Indexed: 06/13/2023]
Abstract
Fine control of ultramicroporosity (<7 Å) in carbon molecular sieve (CMS) membranes is highly desirable for challenging gas separation processes. Here, a versatile approach is proposed to fabricate hybrid CMS (HCMS) membranes with unique textural properties as well as tunable ultramicroporosity. The HCMS membranes are formed by pyrolysis of a polymer nanocomposite precursor containing metal-organic frameworks (MOFs) as a carbonizable nanoporous filler. The MOF-derived carbonaceous phase displays good compatibility with the polymer-derived carbon matrix due to the homogeneity of the two carbon phases, substantially enhancing the mechanical robustness of the resultant HCMS membranes. Detailed structural analyses reveal that the in situ pyrolysis of embedded MOFs induces more densified and interconnected carbon structures in HCMS membranes compared to those in conventional CMS membranes, leading to bimodal and narrow pore size distributions in the ultramicroporous region. Eventually, the HCMS membranes exhibit far superior gas separation performances with a strong size-sieving ability than the conventional polymers and CMS membranes, especially for closely sized gas pairs (Δd < 0.5 Å) including CO2 /CH4 and C3 H6 /C3 H8 separations. More importantly, the developed HCMS material is successfully prepared into a thin-film composite (TFC) membrane (≈1 µm), demonstrating its practical feasibility for use in industrial mixed-gas operation conditions.
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Affiliation(s)
- Tae Hoon Lee
- Department of Energy Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Farhad Moghadam
- Department of Energy Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Jae Gu Jung
- Department of Energy Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Yu Jin Kim
- Department of Energy Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Ji Soo Roh
- Department of Energy Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Seung Yeon Yoo
- Department of Energy Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Byung Kwan Lee
- Department of Energy Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Jin Hee Kim
- Department of Energy Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Ingo Pinnau
- Functional Polymer Membranes Group, Advanced Membranes and Porous Materials Center, Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, 23955, Saudi Arabia
| | - Ho Bum Park
- Department of Energy Engineering, Hanyang University, Seoul, 04763, Republic of Korea
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16
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Hou M, Qi W, Li L, Xu R, Xue J, Zhang Y, Song C, Wang T. Carbon molecular sieve membrane with tunable microstructure for CO2 separation: Effect of multiscale structures of polyimide precursors. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119541] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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17
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Kim SJ, Kim JF, Cho YH, Nam SE, Park H, Park YI. Aging-resistant carbon molecular sieve membrane derived from pre-crosslinked Matrimid® for propylene/propane separation. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119555] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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18
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Setnickova K, Huang TC, Wang CT, Lin YC, Lee SL, Zhuang GL, Tung KL, Tseng HH, Uchytil P. Realizing the impact of the intermediate layer structure on the CO2/CH4 separation performance of carbon molecular sieving membranes: Insights from experimental synthesis and molecular simulation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118627] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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19
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Lei L, Lindbråthen A, Hillestad M, He X. Carbon molecular sieve membranes for hydrogen purification from a steam methane reforming process. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119241] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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20
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Wang H, Wang M, Liang X, Yuan J, Yang H, Wang S, Ren Y, Wu H, Pan F, Jiang Z. Organic molecular sieve membranes for chemical separations. Chem Soc Rev 2021; 50:5468-5516. [PMID: 33687389 DOI: 10.1039/d0cs01347a] [Citation(s) in RCA: 95] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Molecular separations that enable selective transport of target molecules from gas and liquid molecular mixtures, such as CO2 capture, olefin/paraffin separations, and organic solvent nanofiltration, represent the most energy sensitive and significant demands. Membranes are favored for molecular separations owing to the advantages of energy efficiency, simplicity, scalability, and small environmental footprint. A number of emerging microporous organic materials have displayed great potential as building blocks of molecular separation membranes, which not only integrate the rigid, engineered pore structures and desirable stability of inorganic molecular sieve membranes, but also exhibit a high degree of freedom to create chemically rich combinations/sequences. To gain a deep insight into the intrinsic connections and characteristics of these microporous organic material-based membranes, in this review, for the first time, we propose the concept of organic molecular sieve membranes (OMSMs) with a focus on the precise construction of membrane structures and efficient intensification of membrane processes. The platform chemistries, designing principles, and assembly methods for the precise construction of OMSMs are elaborated. Conventional mass transport mechanisms are analyzed based on the interactions between OMSMs and penetrate(s). Particularly, the 'STEM' guidelines of OMSMs are highlighted to guide the precise construction of OMSM structures and efficient intensification of OMSM processes. Emerging mass transport mechanisms are elucidated inspired by the phenomena and principles of the mass transport processes in the biological realm. The representative applications of OMSMs in gas and liquid molecular mixture separations are highlighted. The major challenges and brief perspectives for the fundamental science and practical applications of OMSMs are tentatively identified.
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Affiliation(s)
- Hongjian Wang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Meidi Wang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Xu Liang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Jinqiu Yuan
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Hao Yang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. and Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4 117585, Singapore
| | - Shaoyu Wang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Yanxiong Ren
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Hong Wu
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Fusheng Pan
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Zhongyi Jiang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China and Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China
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21
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Feng Y, Ren J, Li H, Zhao D, Sheng L, Wu Y, Zhao W, Deng M. Effect of thermal annealing on gas separation performance and aggregation structures of block polyimide membranes. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123538] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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22
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Wang Q, Huang F, Cornelius CJ, Fan Y. Carbon molecular sieve membranes derived from crosslinkable polyimides for CO2/CH4 and C2H4/C2H6 separations. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118785] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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23
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Lee DG, Lee BC, Jung KH. Preparation of Porous Carbon Nanofiber Electrodes Derived from 6FDA-Durene/PVDF Blends and Their Electrochemical Properties. Polymers (Basel) 2021; 13:720. [PMID: 33653005 PMCID: PMC7956683 DOI: 10.3390/polym13050720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 02/23/2021] [Accepted: 02/23/2021] [Indexed: 11/16/2022] Open
Abstract
Highly porous carbon electrodes for supercapacitors with high energy storage performance were prepared by using a new precursor blend of aromatic polyimide (PI) and polyvinylidene fluoride (PVDF). Supercapacitor electrodes were prepared through the electrospinning and thermal treatment of the precursor blends of aromatic PI and PVDF. Microstructures of the carbonized PI/PVDF nanofibers were studied using Raman spectroscopy. Nitrogen adsorption/desorption measurements confirmed their high surface area and porosity, which is critical for supercapacitor performance. Energy storage performance was investigated and carbonized PI/PVDF showed a high specific capacitance of 283 F/g at 10 mV/s (37% higher than that of PI) and an energy density of 11.3 Wh/kg at 0.5 A/g (27% higher than that of PI) with high cycling stability.
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Affiliation(s)
| | | | - Kyung-Hye Jung
- School of Advanced Materials and Chemical Engineering, Daegu Catholic University, Gyeongsan, Gyeongbuk 38430, Korea; (D.G.L.); (B.C.L.)
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24
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Structure evolution in carbon molecular sieve membranes derived from binaphthol-6FDA polyimide and their gas separation performance. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2020.11.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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25
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Novel MMM using CO2 selective SSZ-16 and high-performance 6FDA-polyimide for CO2/CH4 separation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117582] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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26
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Liu J, Goss J, Calverley T, Meyers G, Thorseth MA, Todd CS, Kang J, Denise A, Clements H, Klann J, Mabe K, Xu L, Brayden M, Martinez M. Self-standing permselective CMS membrane from melt extruded PVDC. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118554] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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27
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Dou H, Xu M, Wang B, Zhang Z, Wen G, Zheng Y, Luo D, Zhao L, Yu A, Zhang L, Jiang Z, Chen Z. Microporous framework membranes for precise molecule/ion separations. Chem Soc Rev 2020; 50:986-1029. [PMID: 33226395 DOI: 10.1039/d0cs00552e] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Microporous framework membranes such as metal-organic framework (MOF) membranes and covalent organic framework (COF) membranes are constructed by the controlled growth of small building blocks with large porosity and permanent well-defined micropore structures, which can overcome the ubiquitous tradeoff between membrane permeability and selectivity; they hold great promise for the enormous challenging separations in energy and environment fields. Therefore, microporous framework membranes are endowed with great expectations as next-generation membranes, and have evolved into a booming research field. Numerous novel membrane materials, versatile manipulation strategies of membrane structures, and fascinating applications have erupted in the last five years. First, this review summarizes and categorizes the microporous framework membranes with pore sizes lower than 2 nm based on their chemistry: inorganic microporous framework membranes, organic-inorganic microporous framework membranes, and organic microporous framework membranes, where the chemistry, fabrications, and differences among these membranes have been highlighted. Special attention is paid to the membrane structures and their corresponding modifications, including pore architecture, intercrystalline grain boundary, as well as their diverse control strategies. Then, the separation mechanisms of membranes are covered, such as diffusion-selectivity separation, adsorption-selectivity separation, and synergetic adsorption-diffusion-selectivity separation. Meanwhile, intricate membrane design to realize synergistic separation and some emerging mechanisms are highlighted. Finally, the applications of microporous framework membranes for precise gas separation, liquid molecule separation, and ion sieving are summarized. The remaining challenges and future perspectives in this field are discussed. This timely review may provide genuine guidance on the manipulation of membrane structures and inspire creative designs of novel membranes, promoting the sustainable development and steadily increasing prosperity of this field.
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Affiliation(s)
- Haozhen Dou
- Department of Chemical Engineering, University of Waterloo, 200 University Ave. W, Waterloo, Ontario N2L 3G1, Canada
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28
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Alent’ev AY, Ryzhikh VE, Belov NA. Highly Permeable Polyheteroarylenes for Membrane Gas Separation: Recent Trends in Chemical Structure Design. POLYMER SCIENCE SERIES C 2020. [DOI: 10.1134/s1811238220020010] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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29
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Lee WH, Bae JY, Yushkin A, Efimov M, Jung JT, Volkov A, Lee YM. Energy and time efficient infrared (IR) irradiation treatment for preparing thermally rearranged (TR) and carbon molecular sieve (CMS) membranes for gas separation. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118477] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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30
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Liang J, Wang Z, Huang M, Wu S, Shi Y, Zhang Y, Jin J. Effects on Carbon Molecular Sieve Membrane Properties for a Precursor Polyimide with Simultaneous Flatness and Contortion in the Repeat Unit. CHEMSUSCHEM 2020; 13:5531-5538. [PMID: 32696521 DOI: 10.1002/cssc.202001572] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 07/20/2020] [Indexed: 06/11/2023]
Abstract
Carbon molecular sieve (CMS)-based membrane separation is a promising solution for hydrogen separation due to its great advantages on perm-selectivity, thermal stability, and chemical stability. To prepare high-performance CMS membranes, the molecular structure of polymer precursors and their arrangements should be primarily considered. In this work, a benzimidazole-based 6FDA (2,2'-bis(3,4'-dicarboxyphenyl) hexafluoropropane dianhydride)-type polyimide (PABZ-6FDA-PI) is chosen as precursor to prepare the CMS membrane. Effects of chain flatness and contortion in the polyimide precursor on gas-separation performance of CMS membranes were studied in detail by gas adsorption and permeation experiment. The H2 permeability of CMS is up to 9500 Barrer and ideal selectivity of gas pairs of H2 /CH4 and H2 /CO2 is up to 3800 and 13, respectively. The comprehensive performance of hydrogen separation including H2 /CO2 , H2 /N2 , and H2 /CH4 gas pairs is located well above previously reported upper bounds for polymers.
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Affiliation(s)
- Jiachen Liang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
| | - Zhenggong Wang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
| | - Menghui Huang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
| | - Shanshan Wu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
| | - Yanshu Shi
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
| | - Yatao Zhang
- School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Jian Jin
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
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Qiu W, Li FS, Fu S, Koros WJ. Isomer-Tailored Carbon Molecular Sieve Membranes with High Gas Separation Performance. CHEMSUSCHEM 2020; 13:5318-5328. [PMID: 32729990 DOI: 10.1002/cssc.202001567] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/24/2020] [Indexed: 05/26/2023]
Abstract
Partial substitution of the asymmetric 3,3',4,4'-biphenyl dianhydride monomer (aBPDA) into the backbone of a 6FDA-BPDA-DAM (6FDA=4,4'-hexafluoroisopropylidene, DAM=diaminomesitylene) diphthalic anhydride-based copolyimide based on symmetrical BPDA (sBPDA) was used to study membrane structure-processing-property relationships for gas separation. Properties of the polymer membrane as well as derived carbon molecular sieves (CMS) membranes were compared with copolyimides without the asymmetric monomer structure. CMS membranes derived from the copolyimides are very attractive for CO2 /CH4 separation. aBPDA provides the copolyimide with additional packing-inhibited structures compared with the symmetric ones and yields a corresponding CMS membrane with very high CO2 permeability and good CO2 /CH4 selectivity. This work, therefore, outlines a new strategy for tuning CMS membrane structure to meet separation performance needs.
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Affiliation(s)
- Wulin Qiu
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 778 Atlantic Drive, Atlanta, GA, 30332-0100, USA
| | - Fuyue Stephanie Li
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 778 Atlantic Drive, Atlanta, GA, 30332-0100, USA
- Present address: Honeywell UOP, 25 E. Algonquin Rd., Des Plaines, IL, 60016, USA
| | - Shilu Fu
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 778 Atlantic Drive, Atlanta, GA, 30332-0100, USA
- Present Address: Air Liquide Innovation Campus Delaware, 200 GBC Drive, Newark, DE, 19702, USA
| | - William J Koros
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 778 Atlantic Drive, Atlanta, GA, 30332-0100, USA
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32
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Iyer GM, Liu L, Zhang C. Hydrocarbon separations by glassy polymer membranes. JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1002/pol.20200128] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Gaurav M. Iyer
- Department of Chemical and Biomolecular Engineering University of Maryland College Park MD USA
| | - Lu Liu
- Department of Chemical and Biomolecular Engineering University of Maryland College Park MD USA
| | - Chen Zhang
- Department of Chemical and Biomolecular Engineering University of Maryland College Park MD USA
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Qadir D, Nasir R, Mukhtar HB, Keong LK. Synthesis, characterization, and performance analysis of carbon molecular sieve-embedded polyethersulfone mixed-matrix membranes for the removal of dissolved ions. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2020; 92:1306-1324. [PMID: 32170974 DOI: 10.1002/wer.1326] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 02/27/2020] [Accepted: 03/05/2020] [Indexed: 06/10/2023]
Abstract
The asymmetric polyethersulfone (PES-15 wt.%) mixed-matrix membranes were prepared by incorporation of carbon molecular sieve (CMS) with varying concentrations (1, 3, and 5 wt.%). Physicochemical characterization of synthesized membranes was carried out using field emission scanning electron microscope, atomic force microscopy, contact angle, thermogravimetric analysis, zeta potential analyzer, porosity, and mean pore sizes. Performance analysis of synthesized mixed-matrix membranes was carried out by varying the operating parameters such as pressure (2-10 bar), feed concentration (100-1,000 mg/L), and cations type (Na+ , Ca2+ , Mg2+ , and Sn2+ ). Effect of operating parameters and CMS concentration was investigated on pure water flux (PWF), permeate flux, and rejection of membranes. It was found that mixed-matrix membrane containing 15 wt.% PES with 1 wt.% CMS displayed the superior physicochemical characteristics in terms of hydrophilicity (37.9°), surface charge (-13.8 mV), mean pore diameter (6.04 nm), and thermal properties (Tg = 218.5°C), and overall performance. E5C1 membrane showed 1.5 times higher PWF (75.5 L m-2 hr-1 ) and incremented in rejection for all salts than the nascent membrane. PRACTITIONER POINTS: Carbon molecular sieve-embedded mixed-matrix membranes were synthesized by phase inversion method. The resultant membranes experienced improved hydrophilicity, roughness, surface charge, porosity, and mean pore diameter with 1 wt.% CMS loading. The pure water flux was improved from 55.77 to 75.05 L m-2 hr-1 when 1 wt.% CMS was added in pure PES. The observed rejection of a mixed-matrix membrane with 1 wt.% CMS was the maximum for all salts.
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Affiliation(s)
- Danial Qadir
- School of Chemical Engineering, The University of Faisalabad, Faisalabad, Pakistan
- Department of Chemical Engineering, Universiti Teknologi PETRONAS, Seri Iskandar, Perak, Malaysia
| | - Rizwan Nasir
- Department of Chemical Engineering, University of Jeddah, Jeddah, Saudi Arabia
| | - Hilmi B Mukhtar
- Department of Chemical Engineering, Universiti Teknologi PETRONAS, Seri Iskandar, Perak, Malaysia
| | - Lau K Keong
- Department of Chemical Engineering, Universiti Teknologi PETRONAS, Seri Iskandar, Perak, Malaysia
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Jeon B, Ha T, Lee DY, Choi MS, Lee SW, Jung KH. Preparation and Electrochemical Properties of Porous Carbon Nanofiber Electrodes Derived from New Precursor Polymer: 6FDA-TFMB. Polymers (Basel) 2020; 12:polym12081851. [PMID: 32824701 PMCID: PMC7463928 DOI: 10.3390/polym12081851] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/13/2020] [Accepted: 08/13/2020] [Indexed: 11/16/2022] Open
Abstract
Porous carbon nanofibers (CNFs) with high energy storage performance were fabricated with a single precursor polymer, 6FDA-TFMB, without the use of any pore-generating materials. 6FDA-TFMB was synthesized, electrospun, and thermally treated to produce binder-free CNF electrodes for electrochemical double-layer capacitors (EDLCs). Highly porous CNFs with a surface area of 2213 m2 g−1 were prepared by steam-activation. CNFs derived from 6FDA-TFMB showed rectangular cyclic voltammograms with a specific capacitance of 292.3 F g−1 at 10 mV s−1. It was also seen that CNFs exhibit a maximum energy density of 13.1 Wh kg−1 at 0.5 A g−1 and power density of 1.7 kW kg−1 at 5 A g−1, which is significantly higher than those from the common precursor polymer, polyacrylonitrile (PAN).
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Affiliation(s)
- Byeongil Jeon
- School of Advanced Materials and Chemical Engineering, Daegu Catholic University, Gyeongsan 38430, Korea;
| | - Taehwa Ha
- School of Chemical Engineering, Yeungnam Universiry, Gyeonsan 38430, Korea;
| | - Dong Yun Lee
- Department of Polymer Science and Engineering, Kyungpook National University, Daegu 41566, Korea;
| | - Myung-Seok Choi
- Division of Chemical Engineering, Konkuk University, Seoul 143701, Korea;
| | - Seung Woo Lee
- School of Chemical Engineering, Yeungnam Universiry, Gyeonsan 38430, Korea;
- Correspondence: (S.W.L.); (K.-H.J.); Tel.: +82-53-810-2516 (S.W.L.); +82-53-850-2774 (K.-H.J.)
| | - Kyung-Hye Jung
- School of Advanced Materials and Chemical Engineering, Daegu Catholic University, Gyeongsan 38430, Korea;
- Correspondence: (S.W.L.); (K.-H.J.); Tel.: +82-53-810-2516 (S.W.L.); +82-53-850-2774 (K.-H.J.)
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Pérez-Francisco JM, Santiago-García JL, Loría-Bastarrachea MI, Paul DR, Freeman BD, Aguilar-Vega M. CMS membranes from PBI/PI blends: Temperature effect on gas transport and separation performance. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2019.117703] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Omidvar M, Nguyen H, Doherty CM, Hill AJ, Stafford CM, Feng X, Swihart MT, Lin H. Unexpectedly Strong Size-Sieving Ability in Carbonized Polybenzimidazole for Membrane H 2/CO 2 Separation. ACS APPLIED MATERIALS & INTERFACES 2019; 11:47365-47372. [PMID: 31750641 DOI: 10.1021/acsami.9b16966] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Polymers with high permeability and strong size-sieving ability are needed for H2/CO2 separation at temperatures ranging from 100 to 300 °C to enable an energy-efficient precombustion CO2 capture process. However, such polymers usually suffer from a permeability/selectivity tradeoff, that is, polymers with high permeability tend to exhibit a weak size-sieving ability and thus low selectivity. Herein, we demonstrate that carbonization of a suitable polymer precursor (i.e., polybenzimidazole or PBI) generates microcavities (leading to high H2 permeability) and ultramicroporous channels (leading to strong size-sieving ability and thus high H2/CO2 selectivity). Specifically, carbonization of PBI at 900 °C (CMS@900) doubles H2 permeability and increases H2/CO2 selectivity from 14 to 80 at 150 °C. When tested with simulated syngas-containing equimolar H2 and CO2 in the presence of water vapor for 120 h, CMS@900 exhibits stable H2 permeability of ≈36 barrer and H2/CO2 selectivity of ≈53 at 150 °C, above Robeson's 2008 upper bound and demonstrating robustness against physical aging and CO2 plasticization.
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Affiliation(s)
- Maryam Omidvar
- Department of Chemical and Biological Engineering, University at Buffalo , The State University of New York , Buffalo , New York 14260 , United States
| | - Hien Nguyen
- Department of Chemical and Biological Engineering, University at Buffalo , The State University of New York , Buffalo , New York 14260 , United States
| | - Cara M Doherty
- Commonwealth Scientific and Industrial Research Organization (CSIRO) Future Industries , Private Bag 10 , Clayton , South Victoria 3169 , Australia
| | - Anita J Hill
- Commonwealth Scientific and Industrial Research Organization (CSIRO) Future Industries , Private Bag 10 , Clayton , South Victoria 3169 , Australia
| | - Christopher M Stafford
- Materials Science & Engineering Division , National Institute of Standards and Technology , MS 8542, 100 Bureau Drive , Gaithersburg , Maryland 20899 , United States
| | - Xianshe Feng
- Department of Chemical Engineering , University of Waterloo , Waterloo , Ontario N2L 3G1 , Canada
| | - Mark T Swihart
- Department of Chemical and Biological Engineering, University at Buffalo , The State University of New York , Buffalo , New York 14260 , United States
| | - Haiqing Lin
- Department of Chemical and Biological Engineering, University at Buffalo , The State University of New York , Buffalo , New York 14260 , United States
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Khan S, Wang K, Feng X, Elkamel A. Carbon molecular sieve membranes for natural gas purification: Role of surface flow. CAN J CHEM ENG 2019. [DOI: 10.1002/cjce.23661] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Shaihroz Khan
- Department of Chemical EngineeringKhalifa University of Science & Technology (KUST) ‐ SAN Campus Abu Dhabi United Arab Emirates
| | - Kean Wang
- Department of Chemical EngineeringKhalifa University of Science & Technology (KUST) ‐ SAN Campus Abu Dhabi United Arab Emirates
| | - Xianshe Feng
- Department of Chemical EngineeringUniversity of Waterloo Waterloo Ontario Canada
| | - Ali Elkamel
- Department of Chemical EngineeringKhalifa University of Science & Technology (KUST) ‐ SAN Campus Abu Dhabi United Arab Emirates
- Department of Chemical EngineeringUniversity of Waterloo Waterloo Ontario Canada
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38
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Ma Y, Jue ML, Zhang F, Mathias R, Jang HY, Lively RP. Creation of Well‐Defined “Mid‐Sized” Micropores in Carbon Molecular Sieve Membranes. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201903105] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yao Ma
- School of Chemical & Biomolecular EngineeringGeorgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
| | - Melinda L. Jue
- School of Chemical & Biomolecular EngineeringGeorgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
| | - Fengyi Zhang
- School of Chemical & Biomolecular EngineeringGeorgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
| | - Ronita Mathias
- School of Chemical & Biomolecular EngineeringGeorgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
| | - Hye Youn Jang
- School of Chemical & Biomolecular EngineeringGeorgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
| | - Ryan P. Lively
- School of Chemical & Biomolecular EngineeringGeorgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
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Ma Y, Jue ML, Zhang F, Mathias R, Jang HY, Lively RP. Creation of Well-Defined "Mid-Sized" Micropores in Carbon Molecular Sieve Membranes. Angew Chem Int Ed Engl 2019; 58:13259-13265. [PMID: 31228217 DOI: 10.1002/anie.201903105] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 05/13/2019] [Indexed: 11/10/2022]
Abstract
Carbon molecular sieve (CMS) membranes are candidates for the separation of organic molecules due to their stability, ability to be scaled at practical form factors, and the avoidance of expensive supports or complex multi-step fabrication processes. A critical challenge is the creation of "mid-range" (e.g., 5-9 Å) microstructures that allow for facile permeation of organic solvents and selection between similarly-sized guest molecules. Here, we create these microstructures via the pyrolysis of a microporous polymer (PIM-1) under low concentrations of hydrogen gas. The introduction of H2 inhibits aromatization of the decomposing polymer and ultimately results in the creation of a well-defined bimodal pore network that exhibits an ultramicropore size of 5.1 Å. The H2 assisted CMS dense membranes show a dramatic increase in p-xylene ideal permeability (≈15 times), with little loss in p-xylene/o-xylene selectivity (18.8 vs. 25.0) when compared to PIM-1 membranes pyrolyzed under a pure argon atmosphere. This approach is successfully extended to hollow fiber membranes operating in organic solvent reverse osmosis mode, highlighting the potential of this approach to be translated from the laboratory to the field.
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Affiliation(s)
- Yao Ma
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, GA, 30332, USA
| | - Melinda L Jue
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, GA, 30332, USA
| | - Fengyi Zhang
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, GA, 30332, USA
| | - Ronita Mathias
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, GA, 30332, USA
| | - Hye Youn Jang
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, GA, 30332, USA
| | - Ryan P Lively
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, GA, 30332, USA
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40
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Li Z, Xiao G, Graham B, Li G, May EF. Nitrogen Sorption in a Transition Metal Complex Solution for N 2 Rejection from Methane. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b01356] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhikao Li
- ARC Training Centre for LNG Futures, Fluid Science & Resources Division, The University of Western Australia, 35 Stirling Highway, Perth, WA 6009, Australia
| | - Gongkui Xiao
- ARC Training Centre for LNG Futures, Fluid Science & Resources Division, The University of Western Australia, 35 Stirling Highway, Perth, WA 6009, Australia
| | - Brendan Graham
- ARC Training Centre for LNG Futures, Fluid Science & Resources Division, The University of Western Australia, 35 Stirling Highway, Perth, WA 6009, Australia
| | - Gang Li
- ARC Training Centre for LNG Futures, Fluid Science & Resources Division, The University of Western Australia, 35 Stirling Highway, Perth, WA 6009, Australia
| | - Eric F. May
- ARC Training Centre for LNG Futures, Fluid Science & Resources Division, The University of Western Australia, 35 Stirling Highway, Perth, WA 6009, Australia
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41
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Fabrication and characterization of aging resistant carbon molecular sieve membranes for C3 separation using high molecular weight crosslinkable polyimide, 6FDA-DABA. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.03.065] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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42
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Interfacial interaction between CMS layer and substrate: Critical factors affecting membrane microstructure and H2 and CO2 separation performance from CH4. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.02.070] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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43
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Monsalve-Bravo GM, Smart S, Bhatia SK. Simulation of multicomponent gas transport through mixed-matrix membranes. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.02.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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44
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Zhang C, Kumar R, Koros WJ. Ultra‐thin skin carbon hollow fiber membranes for sustainable molecular separations. AIChE J 2019. [DOI: 10.1002/aic.16611] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Chen Zhang
- School of Chemical & Biomolecular Engineering Georgia Institute of Technology Atlanta Georgia
| | - Rachana Kumar
- School of Chemical & Biomolecular Engineering Georgia Institute of Technology Atlanta Georgia
| | - William J. Koros
- School of Chemical & Biomolecular Engineering Georgia Institute of Technology Atlanta Georgia
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45
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Kumar R, Koros WJ. 110th Anniversary: High Performance Carbon Molecular Sieve Membrane Resistance to Aggressive Feed Stream Contaminants. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b00899] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rachana Kumar
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - William J. Koros
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
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47
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Structural characterization and properties of ODPA–ODA polyetherimide membranes modified by ethylene glycol. Polym Bull (Berl) 2018. [DOI: 10.1007/s00289-018-2362-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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48
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Sazali N, Salleh W, Ismail A, Ismail N, Azuwa Mohamed M, Nordin N, Sokri M, Iwamoto Y, Honda S. RETRACTED: Enhanced gas separation performance using carbon membranes containing nanocrystalline cellulose and BTDA-TDI/MDI polyimide. Chem Eng Res Des 2018. [DOI: 10.1016/j.cherd.2018.09.039] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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49
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Abstract
Over the past three decades, mixed-matrix membranes (MMMs), comprising an inorganic filler phase embedded in a polymer matrix, have emerged as a promising alternative to overcome limitations of conventional polymer and inorganic membranes. However, while much effort has been devoted to MMMs in practice, their modeling is largely based on early theories for transport in composites. These theories consider uniform transport properties and driving force, and thus models for the permeability in MMMs often perform unsatisfactorily when compared to experimental permeation data. In this work, we review existing theories for permeation in MMMs and discuss their fundamental assumptions and limitations with the aim of providing future directions permitting new models to consider realistic MMM operating conditions. Furthermore, we compare predictions of popular permeation models against available experimental and simulation-based permeation data, and discuss the suitability of these models for predicting MMM permeability under typical operating conditions.
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50
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Monsalve-Bravo GM, Bhatia SK. Comparison of hollow fiber and flat mixed-matrix membranes: Theory and simulation. Chem Eng Sci 2018. [DOI: 10.1016/j.ces.2018.04.037] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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