1
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Liu J, Ban Y, Zhu G, Hu Z, Yang W. Nanoconfined Ultrathin Polymer Membrane for Ultrafast Separation of Biobutanol from Water. Angew Chem Int Ed Engl 2025:e202503501. [PMID: 40268721 DOI: 10.1002/anie.202503501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2025] [Revised: 03/27/2025] [Accepted: 04/17/2025] [Indexed: 04/25/2025]
Abstract
Efficient recovery of biobutanol, a next-generation biofuel, from fermentation liquor remains challenging due to its low concentration and volatility. This study introduces ultrathin rubbery polymer membranes developed through an interfacial dissolution-crosslinking method, with cross-linked polysiloxane confined within the permanent nanovoids of ceramic alumina substrates. The resulting membranes, which are less than 10 nm thick, achieve unparalleled performance: concentrating 1.0 wt% aqueous n-butanol 14.2-fold with a record-high liquid flux of 110 kg m-2 h-1-one to two orders of magnitude greater than those of previously reported membranes. These advancements suggest significant reductions in the membrane area and operational costs for large-scale biobutanol separation, establishing a sustainable and economical solution for biofuel production.
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Affiliation(s)
- Jiayi Liu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, P.R. China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing, 100049, P.R. China
- School of Chemistry, Dalian University of Technology, Dalian, 116024, P.R. China
| | - Yujie Ban
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, P.R. China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing, 100049, P.R. China
| | - Guangqi Zhu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, P.R. China
| | - Ziyi Hu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, P.R. China
| | - Weishen Yang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, P.R. China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing, 100049, P.R. China
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2
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Pang S, Ma L, Yang Y, Chen H, Lu L, Yang S, Baeyens J, Si Z, Qin P. A High-Quality Mixed Matrix Membrane with Nanosheets Assembled and Uniformly Dispersed Fillers for Ethanol Recovery. Macromol Rapid Commun 2024; 45:e2400384. [PMID: 39096156 DOI: 10.1002/marc.202400384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 07/12/2024] [Indexed: 08/05/2024]
Abstract
A high-quality filler within mixed matrix membranes, coupled with uniform dispersity, endows a high-efficiency transfer pathway for the significant improvement on separation performance. In this work, a zeolite-typed MCM-22 filler is reported that is doped into polydimethylsiloxane (PDMS) matrix by ultrafast photo-curing technique. The unique structure of nanosheets assembly layer by layer endows the continuous transfer channels towards penetrate molecules because of the inter-connective nanosheets within PDMS matrix. Furthermore, an ultrafast freezing effect produced by fast photo-curing is used to overcome the key issue, namely filler aggregation, and further eliminates defects. When pervaporative separating a 5 wt% ethanol aqueous solution, the resulting MCM-22/PDMS membrane exhibits an excellent membrane flux of 1486 g m-2 h-1 with an ethanol separation factor of 10.2. Considering a biobased route for ethanol production, the gas stripping and vapor permeation through this membrane also shows a great enrichment performance, and the concentrated ethanol is up to 65.6 wt%. Overall, this MCM-22/PDMS membrane shows a high separation ability for ethanol benefited from a unique structure deign of fillers and ultrafast curing speed of PDMS, and has a great potential for bioethanol separation from cellulosic ethanol fermentation.
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Affiliation(s)
- Siyu Pang
- National Energy R&D Center for Biorefinery, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Liang Ma
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, SINOPEC Shanghai Research Institute of Petrochemical Technology Co., Ltd., Shanghai, 201208, P. R. China
| | - Yongfu Yang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, and School of Life Sciences, Hubei University, Wuhan, 430062, P. R. China
| | - Huidong Chen
- High-Tech Reacher Institute, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Lu Lu
- Paris Curie Engineer School, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Shihui Yang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, and School of Life Sciences, Hubei University, Wuhan, 430062, P. R. China
| | - Jan Baeyens
- Department of Chemical Engineering, Sint-Katelijne-Waver, Ku Leuven, 2860, Belgium
| | - Zhihao Si
- National Energy R&D Center for Biorefinery, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Peiyong Qin
- National Energy R&D Center for Biorefinery, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
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3
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Xiong Y, Shu Y, Deng N, Luo X, Liu S, Wu X. A Novel Modified ZIF-8 Nanoparticle with Enhanced Interfacial Compatibility and Pervaporation Performance in a Mixed Matrix Membrane for De-Alcoholization in Low-Concentration Solutions. Molecules 2024; 29:4465. [PMID: 39339460 PMCID: PMC11433669 DOI: 10.3390/molecules29184465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2024] [Revised: 09/14/2024] [Accepted: 09/17/2024] [Indexed: 09/30/2024] Open
Abstract
This study investigated the enhancement in bioethanol recovery from mixed matrix membranes (MMMs) by functionalizing zeolite framework-8 (ZIF-8) with imidazolate. This study focused on the separation of ethanol from low-concentration ethanol/water mixtures (typical post-fermentation concentrations of 5-10 wt%). Specifically, ZIF-8 was modified by the shell-ligand exchange reaction (SLER) with 5,6-dimethylbenzimidazole (DMBIM), resulting in ZIF-8-DMBIM particles with improved hydrophobicity, organophilicity, larger size, and adjustable pore size. These particles were incorporated into a PEBAX 2533 matrix to produce ZIF-8-DMBIM/PEBAX MMMs using a dilution blending method. The resulting membranes showed significant performance enhancement: 8 wt% ZIF-8-DMBIM loading achieved a total flux of 308 g/m2·h and a separation factor of 16.03, which was a 36.8% increase in flux and 176.4% increase in separation factor compared with the original PEBAX membrane. In addition, performance remained stable during a 130 h cycling test. These improvements are attributed to the enhanced compatibility and dispersion of ZIF-8-DMBIM in the PEBAX matrix. In conclusion, the evaluation of nanofiller content, feed concentration, operating temperature, and membrane stability confirmed that ZIF-8-DMBIM/PEBAX MMM is ideal for ethanol recovery in primary bioethanol concentration processes.
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Affiliation(s)
- Yun Xiong
- Key Laboratory for Green Chemical Process of the Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Engineering Research Center of Phosphorus Resources Development and Utilization of Ministry of Education, Wuhan Institute of Technology, Wuhan 430073, China
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430073, China
| | - Yifan Shu
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430073, China
| | - Niyan Deng
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430073, China
| | - Xiaogang Luo
- Key Laboratory for Green Chemical Process of the Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Engineering Research Center of Phosphorus Resources Development and Utilization of Ministry of Education, Wuhan Institute of Technology, Wuhan 430073, China
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430073, China
| | - Shengpeng Liu
- Key Laboratory for Green Chemical Process of the Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Engineering Research Center of Phosphorus Resources Development and Utilization of Ministry of Education, Wuhan Institute of Technology, Wuhan 430073, China
| | - Xiaoyu Wu
- Key Laboratory for Green Chemical Process of the Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Engineering Research Center of Phosphorus Resources Development and Utilization of Ministry of Education, Wuhan Institute of Technology, Wuhan 430073, China
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430073, China
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4
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Van Goethem C, Naik PV, Van de Velde M, Van Durme J, Verplaetse A, Vankelecom IFJ. Stability of Filled PDMS Pervaporation Membranes in Bio-Ethanol Recovery from a Real Fermentation Broth. MEMBRANES 2023; 13:863. [PMID: 37999349 PMCID: PMC10673076 DOI: 10.3390/membranes13110863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/18/2023] [Accepted: 10/04/2023] [Indexed: 11/25/2023]
Abstract
Mixed matrix membranes (MMMs) have shown great potential in pervaporation (PV). As for many novel membrane materials however, lab-scale testing often involves synthetic feed solutions composed of mixed pure components, overlooking the possibly complex interactions and effects caused by the numerous other components in a real PV feed. This work studies the performance of MMMs with two different types of fillers, a core-shell material consisting of ZIF-8 coated on mesoporous silica and a hollow sphere of silicalite-1, in the PV of a real fermented wheat/hay straw hydrolysate broth for the production of bio-ethanol. All membranes, including a reference unfilled PDMS, show a declining permeability over time. Interestingly, the unfilled PDMS membrane maintains a stable separation factor, whereas the filled PDMS membranes rapidly lose selectivity to levels below that of the reference PDMS membrane. A membrane autopsy using XRD and SEM-EDX revealed an almost complete degradation of the crystalline ZIF-8 in the MMMs. Reference experiments with ZIF-8 nanoparticles in the fermentation broth demonstrated the influence of the broth on the ZIF-8 particles. However, the observed effects from the membrane autopsy could not exactly be replicated, likely due to distinct differences in conditions between the in-situ pervaporation process and the ex-situ reference experiments. These findings raise significant questions regarding the potential applicability of MOF-filled MMMs in real-feed pervaporation processes and, potentially, in harsh condition membrane separations in general. This study clearly confirms the importance of testing membranes in realistic conditions.
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Affiliation(s)
- Cédric Van Goethem
- Membrane Technology Group, Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions (cMACS), Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
| | - Parimal V. Naik
- Membrane Technology Group, Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions (cMACS), Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
| | - Miet Van de Velde
- Laboratory of Enzyme, Fermentation and Brewery Technology, Cluster for Bioengineering Technology, Department of Microbial and Molecular Systems, KU Leuven, Gebroeders De Smetstraat 1, 9000 Ghent, Belgium
| | - Jim Van Durme
- Research Group Molecular Odor Chemistry, KU Leuven Technology Campus Ghent, Gebroeders De Smetstraat 1, 9000 Ghent, Belgium
| | - Alex Verplaetse
- Laboratory of Enzyme, Fermentation and Brewery Technology, Cluster for Bioengineering Technology, Department of Microbial and Molecular Systems, KU Leuven, Gebroeders De Smetstraat 1, 9000 Ghent, Belgium
| | - Ivo F. J. Vankelecom
- Membrane Technology Group, Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions (cMACS), Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
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5
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Wang SN, Huang Z, Wang JT, Ru XF, Teng LJ. PVA/UiO-66 mixed matrix membranes for n-butanol dehydration via pervaporation and effect of ethanol. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
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6
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Rohani R, Pakizeh M, Chenar MP. A new route for ZIF-8 synthesis and its application in MMM preparation for toluene removal from water using PV process. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.12.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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7
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Clarizia G, Bernardo P. Polyether Block Amide as Host Matrix for Nanocomposite Membranes Applied to Different Sensitive Fields. MEMBRANES 2022; 12:1096. [PMID: 36363651 PMCID: PMC9693152 DOI: 10.3390/membranes12111096] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/26/2022] [Accepted: 10/27/2022] [Indexed: 05/31/2023]
Abstract
The cornerstones of sustainable development require the treatment of wastes or contaminated streams allowing the separation and recycling of useful substances by a more rational use of energy sources. Separation technologies play a prominent role, especially when conducted by inherently environmentally friendly systems such as membrane operations. However, high-performance materials are more and more needed to improve the separative performance of polymeric materials nanocomposites are ideally suited to develop advanced membranes by combining organic polymers with suitable fillers having superior properties. In this area, polyether block amide copolymers (Pebax) are increasingly adopted as host matrices due to their distinctive properties in terms of being lightweight and easy to process, having good resistance to most chemicals, flexibility and high strength. In this light, the present review seeks to provide a comprehensive examination of the progress in the development of Pebax-based nanocomposite films for their application in several sensitive fields, that are challenging and at the same time attractive, including olefin/paraffin separation, pervaporation, water treatment, flexible films for electronics, electromagnetic shielding, antimicrobial surfaces, wound dressing and self-venting packaging. It covers a wide range of materials used as fillers and analyzes the properties of the derived nanocomposites and their performance. The general principles from the choice of the material to the approaches for the heterogeneous phase compatibilization as well as for the performance improvement were also surveyed. From a detailed analysis of the current studies, the most effective strategies to overcome some intrinsic limitations of these nanocomposites are highlighted, providing guidelines for the correlated research.
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Affiliation(s)
| | - Paola Bernardo
- Institute on Membrane Technology (ITM-CNR), via P. Bucci 17/C, 87036 Rende, CS, Italy
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8
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Pang S, Si Z, Li G, Wu H, Cui Y, Zhang C, Ren C, Yang S, Pang S, Qin P. A fluorinated, defect-free ZIF-8/PDMS mixed matrix membrane for enhancing ethanol pervaporation. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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9
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Cao X, Wang K, Feng X. Incorporating ZIF-71 into poly(ether-block-amide) (PEBA) to form mixed matrix membranes for enhanced separation of aromatic compounds from aqueous solutions by pervaporation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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10
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Tabbiche A, Aouinti L, Nait Sidi Ahmed L. Preparation and characterization of mixed matrix membranes based on PVC/Al 2O 3 for the separation of toluene/n-heptane mixtures via pervaporation. POLYM-PLAST TECH MAT 2022. [DOI: 10.1080/25740881.2022.2075272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Affiliation(s)
- Affaf Tabbiche
- Laboratoire des Eco-Matériaux Fonctionnels et Nanostructurés, Faculté de Chimie, Université des Sciences et de la Technologie d'Oran Mohamed-Boudiaf USTOMB, El Mnaouar, Oran, Algérie
| | - Leila Aouinti
- Laboratoire de Chimie des Polymères, Département de Chimie, Faculté des Sciences, Université d’Oran Es-Senia, Oran, Algérie
- Département de Génie des Matériaux, Faculté de Chimie, Université des Sciences et de la Technologie d’Oran Mohamed-Boudiaf USTOMB, Oran, Algérie
| | - Lydia Nait Sidi Ahmed
- Département de Génie des Matériaux, Faculté de Chimie, Université des Sciences et de la Technologie d’Oran Mohamed-Boudiaf USTOMB, Oran, Algérie
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11
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Qiu B, Alberto M, Mohsenpour S, Foster AB, Ding S, Guo Z, Xu S, Holmes SM, Budd PM, Fan X, Gorgojo P. Thin film nanocomposite membranes of PIM-1 and graphene oxide/ZIF-8 nanohybrids for organophilic pervaporation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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12
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Si Z, Wu H, Qin P, Van der Bruggen B. Polydimethylsiloxane based membranes for biofuels pervaporation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121612] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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13
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Rohani R, Pakizeh M, Chenar MP. Toluene/water separation using MCM-41/ PEBA mixed matrix membrane via pervaporation process. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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14
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Li Y, Li SH, Xu LH, Mao H, Zhang AS, Zhao ZP. Highly selective PDMS membranes embedded with ILs-decorated halloysite nanotubes for ethyl acetate pervaporation separation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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15
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High-performance ZIF-8/biopolymer chitosan mixed-matrix pervaporation membrane for methanol/dimethyl carbonate separation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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16
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Wang Y, Zhou F, Wu Y, Dai L, Xu Z. High-Flux Nanofibrous Membranes with an Under-oil Superhydrophobic Surface Modulated by Zeolitic Imidazolate Framework-71 for Gravity-Driven Water-in-Oil Separation. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yixing Wang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Fu Zhou
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yulin Wu
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Liheng Dai
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Zhi Xu
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
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17
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Review of alternative technologies for acetone-butanol-ethanol separation: Principles, state-of-the-art, and development trends. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121244] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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18
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Ren C, Si Z, Qu Y, Li S, Wu H, Meng F, Zhang X, Wang Y, Liu C, Qin P. CF3-MOF enhanced pervaporation selectivity of PDMS membranes for butanol separation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120255] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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19
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Preparation and characterization of nanocomposite membranes based on PVC/TiO2 anatase for the separation of toluene/n-heptane mixtures via pervaporation. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-021-04062-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Anchoring metal organic frameworks on nanofibers via etching-assisted strategy: Toward water-in-oil emulsion separation membranes. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.119812] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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21
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Zhao D, Li M, Jia M, Zhou S, Zhao Y, Peng W, Xing W. Asymmetric poly (vinyl alcohol)/Schiff base network framework hybrid pervaporation membranes for ethanol dehydration. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2021.110924] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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22
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Quantifying diffusion of organic liquids in a MOF component of MOF/Polymer mixed-matrix membranes by high field NMR. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119786] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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23
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24
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Serna-Vázquez J, Zamidi Ahmad M, Castro-Muñoz R. Simultaneous production and extraction of bio-chemicals produced from fermentations via pervaporation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119653] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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25
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Liu W, Ban Y, Liu J, Wang Y, Hu Z, Wang Y, Li Q, Yang W. ZIF-L based mixed matrix membranes for acetone-butanol-ethanol (ABE) recovery from diluted aqueous solution. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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26
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Bakhshandeh Rostami S, Saljoughi E, Mousavi SM, Kiani S. Preparation of polyphenylsulfone/graphene nanocomposite membrane for the pervaporation separation of cumene from water. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
| | - Ehsan Saljoughi
- Chemical Engineering Department, Faculty of Engineering Ferdowsi University of Mashhad Mashhad Iran
| | - Seyed Mahmoud Mousavi
- Chemical Engineering Department, Faculty of Engineering Ferdowsi University of Mashhad Mashhad Iran
| | - Shirin Kiani
- Chemical Engineering Department, Faculty of Engineering Ferdowsi University of Mashhad Mashhad Iran
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27
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Mohd Ramli M, Ahmad AL, Oluwasola EI, Leo CP. Non-solvent Flux Augmentation of an LDPE-Coated Polytetrafluoroethylene Hollow Fiber Membrane for Direct Contact Membrane Distillation. ACS OMEGA 2021; 6:25201-25210. [PMID: 34632179 PMCID: PMC8495701 DOI: 10.1021/acsomega.1c02887] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 08/12/2021] [Indexed: 06/13/2023]
Abstract
Membrane distillation (MD) is a thermal technology for the desalination process that requires a hydrophobic microporous membrane to ensure that the membrane can maintain the liquid-vapor interface. This work aims to enhance the water permeation flux of the previously coated membrane by modifying the surface of the polytetrafluoroethylene hollow fiber (PTFE HF) membrane with a selected non-solvent such as acetone, cyclohexanone, and ethanol in low-density polyethylene as a polymeric coating solution. However, the modification using acetone and cyclohexanone solvents was unsuccessful because a reduction in membrane hydrophobicity was observed. The modified PTFE HF membrane with ethanol content exhibits high wetting resistance with a high water contact angle, which can withstand pore wetting during the direct contact MD process. Since MD operates under a lower operating temperature range (50-90 °C) compared to the conventional distillation, we herein demonstrated that higher flux could be obtained at 7.26 L m-2 h-1. Thus, the process is economically feasible because of lower energy consumption. Performance evaluation of the modified PTFE HF membrane showed a high rejection of 99.69% for sodium chloride (NaCl), indicating that the coated membrane preferentially allowed only water vapor to pass through.
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Affiliation(s)
- Mohamad
Razif Mohd Ramli
- School
of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong
Tebal, 14300 Pulau Pinang, Malaysia
| | - Abdul Latif Ahmad
- School
of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong
Tebal, 14300 Pulau Pinang, Malaysia
| | - Ebenezer Idowu Oluwasola
- School
of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong
Tebal, 14300 Pulau Pinang, Malaysia
- Food
Technology Department, The Federal Polytechnic
Ado Ekiti, Ado Ekiti, 360231 Ekiti state, Nigeria
| | - Choe Peng Leo
- School
of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong
Tebal, 14300 Pulau Pinang, Malaysia
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29
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Process optimization of acetone-butanol-ethanol fermentation integrated with pervaporation for enhanced butanol production. Biochem Eng J 2021. [DOI: 10.1016/j.bej.2021.108070] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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30
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Chitosan/sodium alginate hybrid membranes modified by zeolitic imidazolate framework-90 for pervaporative dehydration of butanol. IRANIAN POLYMER JOURNAL 2021. [DOI: 10.1007/s13726-021-00970-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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31
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Kujawa J, Al-Gharabli S, Muzioł TM, Knozowska K, Li G, Dumée LF, Kujawski W. Crystalline porous frameworks as nano-enhancers for membrane liquid separation – Recent developments. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213969] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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32
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Goyal P, Sundarrajan S, Ramakrishna S. A Review on Mixed Matrix Membranes for Solvent Dehydration and Recovery Process. MEMBRANES 2021; 11:membranes11060441. [PMID: 34208292 PMCID: PMC8230825 DOI: 10.3390/membranes11060441] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 05/24/2021] [Accepted: 06/08/2021] [Indexed: 11/16/2022]
Abstract
Solvent separation and dehydration are important operations for industries and laboratories. Processes such as distillation and extraction are not always effective and are energy-consuming. An alternate approach is offered by pervaporation, based on the solution-diffusion transport mechanism. Polymer-based membranes such as those made of Polydimethylsiloxane (PDMS) have offered good pervaporation performance. Attempts have been made to improve their performance by incorporating inorganic fillers into the PDMS matrix, in which metal-organic frameworks (MOFs) have proven to be the most efficient. Among the MOFs, Zeolitic imidazolate framework (ZIF) based membranes have shown an excellent performance, with high values for flux and separation factors. Various studies have been conducted, employing ZIF-PDMS membranes for pervaporation separation of mixtures such as aqueous-alcoholic solutions. This paper presents an extensive review of the pervaporation performance of ZIF-based mixed matrix membranes (MMMs), novel synthesis methods, filler modifications, factors affecting membrane performance as well as studies based on polymers other than PDMS for the membrane matrix. Some suggestions for future studies have also been provided, such as the use of biopolymers and self-healing membranes.
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Affiliation(s)
- Priyanka Goyal
- Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Telangana 500078, India;
| | - Subramanian Sundarrajan
- Center for Nanofibers and Nanotechnology, Department of Mechanical Engineering, National University of Singapore, Blk E3 05-12, 2 Engineering Drive 3, Singapore 117581, Singapore;
- Correspondence:
| | - Seeram Ramakrishna
- Center for Nanofibers and Nanotechnology, Department of Mechanical Engineering, National University of Singapore, Blk E3 05-12, 2 Engineering Drive 3, Singapore 117581, Singapore;
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Liu C, Xue T, Yang Y, Ouyang J, Chen H, Yang S, Li G, Cai D, Si Z, Li S, Qin P. Effect of crosslinker 3-methacryloxypropylmethyldimethoxysilane on UV-crosslinked PDMS-PTFPMS block copolymer membranes for ethanol pervaporation. Chem Eng Res Des 2021. [DOI: 10.1016/j.cherd.2021.01.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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34
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Mohd Ramli M, Ahmad AL, Leo CP. Surface Modification of Polytetrafluoroethylene Hollow Fiber Membrane for Direct Contact Membrane Distillation through Low-Density Polyethylene Solution Coating. ACS OMEGA 2021; 6:4609-4618. [PMID: 33644568 PMCID: PMC7905806 DOI: 10.1021/acsomega.0c05107] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 12/08/2020] [Indexed: 06/12/2023]
Abstract
Membrane distillation (MD) is an attractive technology for the separation of highly saline water used with a polytetrafluoroethylene (PTFE) hollow fiber (HF) membrane. A hydrophobic coating of low-density polyethylene (LDPE) coats the outer surface of the PTFE membrane to resolve membrane wetting as well as increase membrane permeability flux and salt rejection, a critical problem regarding the MD process. LDPE concentrations in coating solution have been studied and optimized. Consequently, the LDPE layer altered membrane morphology by forming a fine nanostructure on the membrane surface that created a hydrophobic layer, a high roughness of membrane, and a uniform LDPE network. The membrane coated with different concentrations of LDPE exhibited high water contact angles of 135.14 ± 0.24 and 138.08 ± 0.01° for membranes M-3 and M-4, respectively, compared to the pristine membrane. In addition, the liquid entry pressure values of LDPE-incorporated PTFE HF membranes (M-1 to M-5) were higher than that of the uncoated membrane (M-0) with a small decrease in the percentage of porosity. The M-3 and M-4 membranes demonstrated higher flux values of 4.12 and 3.3 L m-2 h-1 at 70 °C, respectively. On the other hand, the water permeation flux of 1.95 L m-2 h-1 for M-5 further decreased when LDPE concentration is increased.
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35
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Fang LJ, Chen JH, Wang JM, Lin WW, Lin XG, Lin QJ, He Y. Hydrophobic Two-Dimensional MoS 2 Nanosheets Embedded in a Polyether Copolymer Block Amide (PEBA) Membrane for Recovering Pyridine from a Dilute Solution. ACS OMEGA 2021; 6:2675-2685. [PMID: 33553885 PMCID: PMC7860105 DOI: 10.1021/acsomega.0c04852] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Accepted: 12/29/2020] [Indexed: 05/24/2023]
Abstract
A two-dimensional molybdenum disulfide (MoS2) nanosheet, as a new type of inorganic material with high hydrophobicity and excellent physicochemical stability, holds great application potential in the preparation of a high separation performance organic-inorganic hybrid membrane. In this work, high hydrophobic MoS2 was embedded in hydrophobic polyether copolymer block amide (PEBA) to prepare PEBA/MoS2 organic-inorganic hybrid membranes. The structure, morphology, and hydrophobicity of the hybrid membrane were characterized by scanning electron microscopy, thermogravimetric analysis, contact angle goniometry, X-ray diffraction, infrared spectroscopy analysis, and atomic force microscopy. The effect of embedding of MoS2 on the swelling degree and pervaporation separation performance of the PEBA/MoS2 hybrid membrane was studied with a 1.0 wt % pyridine dilute solution. The results indicated that with increasing the MoS2 content, the separation factor of PEBA/MoS2 increased first and then decreased, while it showed a downward trend in the permeation flux. When the MoS2 content in the PEBA/MoS2 hybrid membrane was 10.0 wt %, the permeation flux was 83.4 g m-2 h-1 (decreased by 21.5% compared with the pure PEBA membrane), and the separation factor reached a maximum value of 11.11 (increased by 37.6% compared with the pure PEBA membrane). Meanwhile, the effects of feed temperature on the pervaporation separation performance of PEBA/MoS2 hybrid membranes were also studied. In addition, as the PEBA/MoS2 hybrid membrane has excellent thermal stability, it is expected to be a promising material for recovering pyridine from wastewater.
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Affiliation(s)
- Li Jun Fang
- College of Chemistry,
Chemical Engineering and Environment, Minnan
Normal University, Zhangzhou 363000, China
| | - Jian Hua Chen
- College of Chemistry,
Chemical Engineering and Environment, Minnan
Normal University, Zhangzhou 363000, China
- Fujian
Province University Key Laboratory of Modern Analytical Science and
Separation Technology, Minnan Normal University, Zhangzhou 363000, China
| | - Jing Mei Wang
- College of Chemistry,
Chemical Engineering and Environment, Minnan
Normal University, Zhangzhou 363000, China
| | - Wei Wei Lin
- College of Chemistry,
Chemical Engineering and Environment, Minnan
Normal University, Zhangzhou 363000, China
| | - Xiao Gen Lin
- College of Chemistry,
Chemical Engineering and Environment, Minnan
Normal University, Zhangzhou 363000, China
| | - Qiao Jing Lin
- College of Chemistry,
Chemical Engineering and Environment, Minnan
Normal University, Zhangzhou 363000, China
| | - YaSan He
- College of Chemistry,
Chemical Engineering and Environment, Minnan
Normal University, Zhangzhou 363000, China
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36
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Khan R, Ul Haq I, Mao H, Zhang AS, Xu LH, Zhen HG, Zhao ZP. Enhancing the pervaporation performance of PEBA/PVDF membrane by incorporating MAF-6 for the separation of phenol from its aqueous solution. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117804] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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37
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Safaei S, Zeynali R, Safaei B. Modeling Study of Propane/Propylene Membrane Separation Using CFD Method. MACROMOL THEOR SIMUL 2021. [DOI: 10.1002/mats.202000092] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Siamak Safaei
- Department of Chemical Engineering, Ahar Branch Islamic Azad University Ahar 5451116714 Iran
| | - Rahman Zeynali
- Faculty of Chemical Engineering Urmia University of Technology Urmia 5716617165 Iran
| | - Babak Safaei
- Department of Mechanical Engineering Eastern Mediterranean University North Cyprus via Mersin 10 Famagusta 99628 Turkey
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38
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Liu L, Tao ZP, Chi HR, Wang B, Wang SM, Han ZB. The applications and prospects of hydrophobic metal-organic frameworks in catalysis. Dalton Trans 2021; 50:39-58. [PMID: 33306086 DOI: 10.1039/d0dt03635h] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
In recent years, large numbers of hydrophobic/superhydrophobic metal-organic frameworks (MOFs) have been developed. These hydrophobic MOFs not only retain rich structural variety, highly crystalline frameworks, and uniform micropores, but they also have lower affinity towards water and boosted hydrolytic stability. Until now, there were two main strategies to prepare hydrophobic MOFs, including a one-step method and post-synthesis modification (PSM). PSM was an often-used strategy for preparing hydrophobic MOFs. Hydrophobic MOFs showed unique advantages when used as catalysts for various categories of reactions. Herein, recent research advances relating to hydrophobic MOFs in the catalytic field are presented. The catalytic activities of hydrophobic MOFs and corresponding hydrophilic ones are also compared, and the superiority of hydrophobic MOFs or MOF materials as catalysts in 10 reactions is discussed. Finally, the advantages of hydrophobic MOFs as catalysts or auxiliary materials are summarized and promising future developments of hydrophobic MOFs are highlighted.
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Affiliation(s)
- Lin Liu
- College of Chemistry, Liaoning University, Shenyang 110036, P. R. China.
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39
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Sanaei Y, Zeeb M, Homami SS, Monzavi A, Khodadadi Z. Fabrication of ZIF-71/Fe 3O 4/polythionine nanoarray-functionalized carbon cotton cloth for simultaneous extraction and quantitation of febuxostat and diclofenac. RSC Adv 2021; 11:30361-30372. [PMID: 35480239 PMCID: PMC9041133 DOI: 10.1039/d1ra04670e] [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: 06/16/2021] [Accepted: 08/21/2021] [Indexed: 11/21/2022] Open
Abstract
Synthesis of a material based on carbonized cotton cloth/zeolite imidazolate framework was applied to ultrasound-assisted dispersive magnetic solid-phase extraction and high-performance liquid chromatography-ultraviolet to detect diclofenac and febuxostat in human plasma.
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Affiliation(s)
- Yasaman Sanaei
- Department of Applied Chemistry, Faculty of Science, Islamic Azad University, South Tehran Branch, Tehran, Iran
| | - Mohsen Zeeb
- Department of Applied Chemistry, Faculty of Science, Islamic Azad University, South Tehran Branch, Tehran, Iran
| | - Seyed Saied Homami
- Department of Applied Chemistry, Faculty of Science, Islamic Azad University, South Tehran Branch, Tehran, Iran
| | - Amirhossein Monzavi
- Department of Polymer and Textile Engineering, South Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Zahra Khodadadi
- Department of Applied Chemistry, Faculty of Science, Islamic Azad University, South Tehran Branch, Tehran, Iran
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40
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Preparation of hydrophobic zeolitic imidazolate framework-71 (ZIF-71)/PVDF hollow fiber composite membrane for membrane distillation through dilute solution coating. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.117348] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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41
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Ueno K, Yamada S, Negishi H, Okuno T, Tawarayama H, Ishikawa S, Miyamoto M, Uemiya S, Oumi Y. Fabrication of pure-silica *BEA-type zeolite membranes on tubular silica supports coated with dilute synthesis gel via steam-assisted conversion. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116934] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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42
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Pervaporation separation of isopropylbenzene from water using four different polymeric membranes: Membrane preparation, modification, characterization, and performance evaluation. J Taiwan Inst Chem Eng 2020. [DOI: 10.1016/j.jtice.2020.09.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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43
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Yang G, Xie Z, Cran M, Wu C, Gray S. Dimensional Nanofillers in Mixed Matrix Membranes for Pervaporation Separations: A Review. MEMBRANES 2020; 10:E193. [PMID: 32825195 PMCID: PMC7559426 DOI: 10.3390/membranes10090193] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 08/11/2020] [Accepted: 08/18/2020] [Indexed: 01/08/2023]
Abstract
Pervaporation (PV) has been an intriguing membrane technology for separating liquid mixtures since its commercialization in the 1980s. The design of highly permselective materials used in this respect has made significant improvements in separation properties, such as selectivity, permeability, and long-term stability. Mixed-matrix membranes (MMMs), featuring inorganic fillers dispersed in a polymer matrix to form an organic-inorganic hybrid, have opened up a new avenue to facilely obtain high-performance PV membranes. The combination of inorganic fillers in a polymer matrix endows high flexibility in designing the required separation properties of the membranes, in which various fillers provide specific functions correlated to the separation process. This review discusses recent advances in the use of nanofillers in PV MMMs categorized by dimensions including zero-, one-, two- and three-dimensional nanomaterials. Furthermore, the impact of the nanofillers on the polymer matrix is described to provide in-depth understanding of the structure-performance relationship. Finally, the applications of nanofillers in MMMs for PV separation are summarized.
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Affiliation(s)
- Guang Yang
- Institute for Sustainable Industries and Liveable Cities, Victoria University, P.O. Box 14428, Melbourne, VIC 8001, Australia; (G.Y.); (M.C.)
- CSIRO Manufacturing, Private bag 10, Clayton South, VIC 3169, Australia
| | - Zongli Xie
- CSIRO Manufacturing, Private bag 10, Clayton South, VIC 3169, Australia
| | - Marlene Cran
- Institute for Sustainable Industries and Liveable Cities, Victoria University, P.O. Box 14428, Melbourne, VIC 8001, Australia; (G.Y.); (M.C.)
| | - Chunrui Wu
- State Key Laboratory of Separation Membranes and Membrane Processes, Institute of Biological and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China;
| | - Stephen Gray
- Institute for Sustainable Industries and Liveable Cities, Victoria University, P.O. Box 14428, Melbourne, VIC 8001, Australia; (G.Y.); (M.C.)
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44
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Swelling mechanism of PEBA-2533 membrane for pervaporation separation of high boiling point organic compounds: Experiment and molecular dynamics simulation. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116851] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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45
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Li S, Vogt BD. Aqueous polypropylene glycol induces swelling and severe plasticization of high T g amphiphilic copolymers containing hexafluoroisopropanol groups. SOFT MATTER 2020; 16:6362-6370. [PMID: 32568344 DOI: 10.1039/d0sm00747a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Poly(ethylene glycol) (PEG) tends to be considered low fouling, which has led to its use in a wide variety of applications. Amphiphilic polyols, such as Antifoam 204, are commonly used as surfactants in fermentation processes due to their limited toxicity and low cost, but these polyols in aqueous solutions can unexpectedly swell membranes. Here we examine the interactions of PEG or poly(propylene glycol) (PPG) with amphiphilic substituted norbornene copolymers through swelling in dilute aqueous solution. The effect of molecular mass (Mn) of the polyol (PEG and PPG) in aqueous (1 wt% butanol) solution on the swelling and mechanical properties of a series of poly(alkyl norbornene-co-hexafluoroisopropanol norbornene) is systematically investigated using a quartz crystal microbalance with dissipation. At 10 ppm of PEG, the swelling is less than 20% for all of the copolymers examined and the swelling is independent of PEG Mn. Although PPG at the lowest Mn examined leads to similar swelling to PEG, the swelling induced by PPG increases with Mn to reach a maximum at Mn = 3.1 kg mol-1. Pluronic L121 is similar compositionally to Antifoam 204, but the equilibrium swelling is decreased by nearly a factor of 2, which is attributed to the higher Mn of Pluronic L121. The limited dependence on the alkyl chain in the copolymer suggest that the interactions between the polyol and hexafluoroisopropanol moiety in the copolymer drive the uptake by the membrane through bound water with the unassociated ether in the PPG that increases swelling with increasing Mn, but a finite size effect limits the swelling for sufficiently large polymer additives.
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Affiliation(s)
- Siyuan Li
- Department of Polymer Engineering, University of Akron, Akron, OH 44325, USA
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46
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47
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Chen X, Hung W, Liu G, Lee K, Jin W. PDMS
mixed‐matrix membranes with molecular fillers via reactive incorporation and their application for bio‐butanol recovery from aqueous solution. JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1002/pol.20200134] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xi Chen
- State Key Laboratory of Materials‐Oriented Chemical Engineering College of Chemical Engineering, Nanjing Tech University Nanjing PR China
| | - Wei‐Song Hung
- R&D Center for Membrane Technology, Department of Chemical Engineering Chung Yuan University Chung‐Li Taiwan
- Graduate Institute of Applied Science and Technology National Taiwan University of Science and Technology Taipei Taiwan
| | - Gongping Liu
- State Key Laboratory of Materials‐Oriented Chemical Engineering College of Chemical Engineering, Nanjing Tech University Nanjing PR China
| | - Kueir‐Rarn Lee
- R&D Center for Membrane Technology, Department of Chemical Engineering Chung Yuan University Chung‐Li Taiwan
| | - Wanqin Jin
- State Key Laboratory of Materials‐Oriented Chemical Engineering College of Chemical Engineering, Nanjing Tech University Nanjing PR China
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48
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Si Z, Wang Z, Cai D, Li G, Li S, Qin P. A high-permeance organic solvent nanofiltration membrane via covalently bonding mesoporous MCM-41 with polyimide. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116545] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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49
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Ban Y, Cao N, Yang W. Metal-Organic Framework Membranes and Membrane Reactors: Versatile Separations and Intensified Processes. RESEARCH 2020; 2020:1583451. [PMID: 32510055 PMCID: PMC7240783 DOI: 10.34133/2020/1583451] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 04/16/2020] [Indexed: 12/31/2022]
Abstract
Metal-organic frameworks are an emerging and fascinating category of porous solids that can be self-assembled with metal-based cations linked by organic molecules. The unique features of MOFs in porosity (or surface areas), together with their diversity for chemical components and architectures, make MOFs attractive candidates in many applications. MOF membranes represent a long-term endeavor to convert MOF crystals in the lab to potentially industry-available commodities, which, as a promising alternative to distillation, provide a bright future for energy-efficient separation technologies closely related with chemicals, the environment, and energy. The membrane reactor shows a typical intensified process strategy by combining the catalytic reaction with the membrane separation in one unit. This review highlights the recent process of MOF-based membranes and the importance of MOF-based membrane reactors in relative intensified chemical processes.
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Affiliation(s)
- Yujie Ban
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Na Cao
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China.,University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100039, China
| | - Weishen Yang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
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50
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Yin H, Cay-Durgun P, Lai T, Zhu G, Engebretson K, Setiadji R, Green MD, Lind ML. Effect of ZIF-71 ligand-exchange surface modification on biofuel recovery through pervaporation. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122379] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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