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Ju J, Hayward RC. Interconnected Nanoporous Polysulfone by the Self-Assembly of Randomly Linked Copolymer Networks and Linear Multiblocks. ACS APPLIED MATERIALS & INTERFACES 2024; 16:34079-34088. [PMID: 38889392 DOI: 10.1021/acsami.4c05207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
Porous materials have attracted considerable attention due to their versatile applications, especially in water purification. Interconnected nanoporous structures are distinguished by their high degree of porosity and resistance to clogging, as well as their insensitivity to nanostructural orientation. Previous works on randomly linked copolymer systems have shown that they can effectively produce disordered cocontinuous nanostructures, which upon removal of one component yield interconnected nanoporous materials. However, the cocontinuous nanomaterials previously developed using polystyrene (PS) and poly(d,l-lactic acid) (PLA) strands, and the resulting interconnected nanoporous PS monoliths, were far too brittle to enable practical use as membranes. Here, we study the self-assembly of randomly linked copolymer networks prepared using blocks of the engineering polymer polysulfone (PSU). A wide cocontinuous regime (spanning 40 wt %) was found for randomly end-linked copolymer networks (RECNs) constructed from PSU and PLA strands, via a combination of mechanical testing, gravimetry, small-angle X-ray scattering, and scanning electron microscopy. The PSU/PLA cocontinuous nanomaterial with symmetric composition showed 2.4 times higher Young's modulus and ∼100 times greater toughness than the corresponding PS/PLA sample. The interconnected nanoporous PSU fabricated after etching of PLA even exhibited 1.6 times greater toughness than PS/PLA prior to PLA removal. To facilitate the production of thin films of cocontinuous nanomaterials, we applied solution-processable randomly linked linear PSU/PLA multiblock polymers onto ultrafiltration membranes. The interconnected nanoporous PSU thin film generated by etching PLA was found to effectively reject 50 nm diameter particles without significantly compromising permeability. This discovery presents a valuable addition to the existing techniques used to fabricate PSU membranes. In contrast to traditional methods, which are sensitive to processing conditions, produce a wide range of pore sizes, and offer limited adjustability of pore size, the current technique is anticipated to enable interconnected PSU membranes with more uniform and tailorable porosity.
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Affiliation(s)
- Jaechul Ju
- Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80303, United States
| | - Ryan C Hayward
- Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80303, United States
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2
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Rabiee N, Sharma R, Foorginezhad S, Jouyandeh M, Asadnia M, Rabiee M, Akhavan O, Lima EC, Formela K, Ashrafizadeh M, Fallah Z, Hassanpour M, Mohammadi A, Saeb MR. Green and Sustainable Membranes: A review. ENVIRONMENTAL RESEARCH 2023; 231:116133. [PMID: 37209981 DOI: 10.1016/j.envres.2023.116133] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 04/21/2023] [Accepted: 05/12/2023] [Indexed: 05/22/2023]
Abstract
Membranes are ubiquitous tools for modern water treatment technology that critically eliminate hazardous materials such as organic, inorganic, heavy metals, and biomedical pollutants. Nowadays, nano-membranes are of particular interest for myriad applications such as water treatment, desalination, ion exchange, ion concentration control, and several kinds of biomedical applications. However, this state-of-the-art technology suffers from some drawbacks, e.g., toxicity and fouling of contaminants, which makes the synthesis of green and sustainable membranes indeed safety-threatening. Typically, sustainability, non-toxicity, performance optimization, and commercialization are concerns centered on manufacturing green synthesized membranes. Thus, critical issues related to toxicity, biosafety, and mechanistic aspects of green-synthesized nano-membranes have to be systematically and comprehensively reviewed and discussed. Herein we evaluate various aspects of green nano-membranes in terms of their synthesis, characterization, recycling, and commercialization aspects. Nanomaterials intended for nano-membrane development are classified in view of their chemistry/synthesis, advantages, and limitations. Indeed, attaining prominent adsorption capacity and selectivity in green-synthesized nano-membranes requires multi-objective optimization of a number of materials and manufacturing parameters. In addition, the efficacy and removal performance of green nano-membranes are analyzed theoretically and experimentally to provide researchers and manufacturers with a comprehensive image of green nano-membrane efficiency under real environmental conditions.
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Affiliation(s)
- Navid Rabiee
- School of Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia; Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth, WA, 6150, Australia; Department of Physics, Sharif University of Technology, Tehran, P.O. Box 11155-9161, Iran.
| | - Rajni Sharma
- School of Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia
| | - Sahar Foorginezhad
- School of Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia; Lulea University of Technology, Department of Energy Science and Mathematics, Energy Science, 97187, Lulea, Sweden
| | - Maryam Jouyandeh
- Center of Excellence in Electrochemistry, University of Tehran, Tehran, Iran
| | - Mohsen Asadnia
- School of Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia.
| | - Mohammad Rabiee
- Biomaterial Group, Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Omid Akhavan
- Department of Physics, Sharif University of Technology, Tehran, P.O. Box 11155-9161, Iran
| | - Eder C Lima
- Institute of Chemistry, Federal University of Rio Grande Do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Krzysztof Formela
- Department of Polymer Technology, Faculty of Chemistry, Gdánsk University of Technology, G. Narutowicza 11/12, 80-233, Gdánsk, Poland
| | - Milad Ashrafizadeh
- Department of General Surgery and Institute of Precision Diagnosis and Treatment of Digestive System Tumors, Carson International Cancer Center, Shenzhen University General Hospital, Shenzhen University, Shenzhen, Guangdong, China; Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zari Fallah
- Faculty of Chemistry, University of Mazandaran, P. O. Box 47416, 95447, Babolsar, Iran
| | - Mahnaz Hassanpour
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, 45137-66731, Iran
| | - Abbas Mohammadi
- Department of Chemistry, University of Isfahan, Isfahan, 81746-73441, Iran
| | - Mohammad Reza Saeb
- Department of Polymer Technology, Faculty of Chemistry, Gdánsk University of Technology, G. Narutowicza 11/12, 80-233, Gdánsk, Poland
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3
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Keskin B, Eryıldız B, Paşaoğlu ME, Türken T, Vatanpour V, Koyuncu I. Fabrication and characterization of different braid‐reinforced
PVC
hollow fiber membranes to use in membrane bioreactor for wastewater treatment. J Appl Polym Sci 2023. [DOI: 10.1002/app.53794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Affiliation(s)
- Başak Keskin
- Environmental Engineering Department Istanbul Technical University Maslak Turkey
- National Research Center on Membrane Technologies Istanbul Technical University Maslak Turkey
| | - Bahriye Eryıldız
- Environmental Engineering Department Istanbul Technical University Maslak Turkey
- National Research Center on Membrane Technologies Istanbul Technical University Maslak Turkey
| | - Mehmet Emin Paşaoğlu
- Environmental Engineering Department Istanbul Technical University Maslak Turkey
- National Research Center on Membrane Technologies Istanbul Technical University Maslak Turkey
| | - Türker Türken
- Environmental Engineering Department Istanbul Technical University Maslak Turkey
- National Research Center on Membrane Technologies Istanbul Technical University Maslak Turkey
| | - Vahid Vatanpour
- National Research Center on Membrane Technologies Istanbul Technical University Maslak Turkey
- Department of Applied Chemistry, Faculty of Chemistry Kharazmi University Tehran Iran
| | - Ismail Koyuncu
- Environmental Engineering Department Istanbul Technical University Maslak Turkey
- National Research Center on Membrane Technologies Istanbul Technical University Maslak Turkey
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4
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Kammakakam I, Lai Z. Next-generation ultrafiltration membranes: A review of material design, properties, recent progress, and challenges. CHEMOSPHERE 2023; 316:137669. [PMID: 36623590 DOI: 10.1016/j.chemosphere.2022.137669] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 12/09/2022] [Accepted: 12/24/2022] [Indexed: 06/17/2023]
Abstract
Membrane technology utilizing ultrafiltration (UF) processes has emerged as the most widely used and cost-effective simple process in many industrial applications. The industries like textiles and petroleum refining are promptly required membrane based UF processes to alleviate the potential environmental threat caused by the generation of various wastewater. At the same time, major limitations such as material selection as well as fouling behavior challenge the overall performance of UF membranes, particularly in wastewater treatment. Therefore, a complete discussion on material design with structural property relation and separation performance of UF membranes is always exciting. This state-of-the-art review has exclusively focused on the development of UF membranes, the material design, properties, progress in separation processes, and critical challenges. So far, most of the review articles have examined the UF membrane processes through a selected track of paving typical materials and their limited applications. In contrast, in this review, we have exclusively aimed at comprehensive research from material selection and fabrication methods to all the possible applications of UF membranes, giving more attention and theoretical understanding to the complete development of high-performance UF systems. We have discussed the methodical engineering behind the development of UF membranes regardless of their materials and fabrication mechanisms. Identifying the utility of UF membrane systems in various applications, as well as their mode of separation processes, has been well discussed. Overall, the current review conveys the knowledge of the present-day significance of UF membranes together with their future prospective opportunities whilst overcoming known difficulties in many potential applications.
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Affiliation(s)
- Irshad Kammakakam
- Division of Physical Science and Engineering, King Abdullah University of Science and Technology, Thuwal, 23955, Saudi Arabia.
| | - Zhiping Lai
- Division of Physical Science and Engineering, King Abdullah University of Science and Technology, Thuwal, 23955, Saudi Arabia.
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5
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Chemical Cleaning and Membrane Aging of Poly(vinylidene fluoride) (PVDF) Membranes Fabricated via Non-solvent Induced Phase Separation (NIPS) and Thermally Induced Phase Separation (TIPS). Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
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6
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Geleta TA, Maggay IV, Chang Y, Venault A. Recent Advances on the Fabrication of Antifouling Phase-Inversion Membranes by Physical Blending Modification Method. MEMBRANES 2023; 13:membranes13010058. [PMID: 36676865 PMCID: PMC9864519 DOI: 10.3390/membranes13010058] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 12/16/2022] [Accepted: 12/19/2022] [Indexed: 05/31/2023]
Abstract
Membrane technology is an essential tool for water treatment and biomedical applications. Despite their extensive use in these fields, polymeric-based membranes still face several challenges, including instability, low mechanical strength, and propensity to fouling. The latter point has attracted the attention of numerous teams worldwide developing antifouling materials for membranes and interfaces. A convenient method to prepare antifouling membranes is via physical blending (or simply blending), which is a one-step method that consists of mixing the main matrix polymer and the antifouling material prior to casting and film formation by a phase inversion process. This review focuses on the recent development (past 10 years) of antifouling membranes via this method and uses different phase-inversion processes including liquid-induced phase separation, vapor induced phase separation, and thermally induced phase separation. Antifouling materials used in these recent studies including polymers, metals, ceramics, and carbon-based and porous nanomaterials are also surveyed. Furthermore, the assessment of antifouling properties and performances are extensively summarized. Finally, we conclude this review with a list of technical and scientific challenges that still need to be overcome to improve the functional properties and widen the range of applications of antifouling membranes prepared by blending modification.
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Fluoropolymer Membranes for Membrane Distillation and Membrane Crystallization. Polymers (Basel) 2022; 14:polym14245439. [PMID: 36559805 PMCID: PMC9782556 DOI: 10.3390/polym14245439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/01/2022] [Accepted: 12/03/2022] [Indexed: 12/15/2022] Open
Abstract
Fluoropolymer membranes are applied in membrane operations such as membrane distillation and membrane crystallization where hydrophobic porous membranes act as a physical barrier separating two phases. Due to their hydrophobic nature, only gaseous molecules are allowed to pass through the membrane and are collected on the permeate side, while the aqueous solution cannot penetrate. However, these two processes suffer problems such as membrane wetting, fouling or scaling. Membrane wetting is a common and undesired phenomenon, which is caused by the loss of hydrophobicity of the porous membrane employed. This greatly affects the mass transfer efficiency and separation efficiency. Simultaneously, membrane fouling occurs, along with membrane wetting and scaling, which greatly reduces the lifespan of the membranes. Therefore, strategies to improve the hydrophobicity of membranes have been widely investigated by researchers. In this direction, hydrophobic fluoropolymer membrane materials are employed more and more for membrane distillation and membrane crystallization thanks to their high chemical and thermal resistance. This paper summarizes different preparation methods of these fluoropolymer membrane, such as non-solvent-induced phase separation (NIPS), thermally-induced phase separation (TIPS), vapor-induced phase separation (VIPS), etc. Hydrophobic modification methods, including surface coating, surface grafting and blending, etc., are also introduced. Moreover, the research advances on the application of less toxic solvents for preparing these membranes are herein reviewed. This review aims to provide guidance to researchers for their future membrane development in membrane distillation and membrane crystallization, using fluoropolymer materials.
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Ma W, Zhou Z, Ismail N, Tocci E, Figoli A, Khayet M, Matsuura T, Cui Z, Tavajohi N. Membrane formation by thermally induced phase separation: Materials, involved parameters, modeling, current efforts and future directions. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.121303] [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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9
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Ravichandran SR, Venkatachalam CD, Sengottian M, Sekar S, Subramaniam Ramasamy BS, Narayanan M, Gopalakrishnan AV, Kandasamy S, Raja R. A review on fabrication, characterization of membrane and the influence of various parameters on contaminant separation process. CHEMOSPHERE 2022; 306:135629. [PMID: 35810863 DOI: 10.1016/j.chemosphere.2022.135629] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 06/23/2022] [Accepted: 07/03/2022] [Indexed: 06/15/2023]
Abstract
In most developing countries, the availability of drinking water is a major problem. This creates the need for treatment of wastewater, reusability of water, etc. The membrane technology has its place in the market for treating such water. This review compares polymeric membrane fabrication techniques, characteristics, and factors responsible for effective membrane separation for different materials. Although extensive knowledge is available on membrane fabrication, fabricating a membrane is still more challenging, which is more prone to antifouling properties. The competency in different fabrication methods like phase inversion, interfacial polymerization, stretching, track etching and electrospinning are elucidated in the current study. Further, the challenges and adaptability of different application fabrication methods are studied. Important surface parameters like surface wettability, roughness, surface tension, pore size, surface charge, surface functional group and pure water flux are analyzed for different polymeric membranes. In addition, the properties responsible for fouling the membrane are also covered in detail. Flow direction and velocity are the main factors that characterize a membrane's antifouling nature. Antifouling separation can still be achieved by characterizing feed properties such as pH, temperature, diffusivity, ion concentration, and surface content. Understanding fouling properties is a key to progress in membrane technology to develop an effective membrane separation.
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Affiliation(s)
| | | | - Mothil Sengottian
- Department of Chemical Engineering, Kongu Engineering College, Perundurai, Tamilnadu, India
| | - Sarath Sekar
- Department of Food Technology, Kongu Engineering College, Perundurai, Tamilnadu, India
| | | | - Mathiyazhagan Narayanan
- Division of Research and Innovation, Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Science, Chennai 105, Tamil Nadu, India
| | | | | | - Rathinam Raja
- Research and Development Wing, Sree Balaji Medical College and Hospital (SBMCH), Bharath Institute of Higher Education and Research (BIHER), Chromepet, Chennai, 600 044, India
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10
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Fan S, Blevins A, Martinez J, Ding Y. Effects of Co-diluent on the pore structure, patterning fidelity, and properties of membranes fabricated by lithographically templated thermally induced phase separation. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.121023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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11
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Zou D, Hu C, Drioli E, Zhong Z. Engineering green and high-flux poly(vinylidene fluoride) membranes for membrane distillation via a facile co-casting process. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120577] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Lin YC, Zhuang GL, Tasi PF, Tseng HH. Removal of protein, histological dye and tetracycline from simulated bioindustrial wastewater with a dual pore size PPSU membrane. JOURNAL OF HAZARDOUS MATERIALS 2022; 431:128525. [PMID: 35228077 DOI: 10.1016/j.jhazmat.2022.128525] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 02/08/2022] [Accepted: 02/18/2022] [Indexed: 05/09/2023]
Abstract
Wastewater from production of active pharmaceutical ingredients (APIs) often contains proteins, azo dyes or antibiotics, which cause severe water eutrophication and growth of drug-resistant bacteria. A series of polyphenylsulfone (PPSU) membranes was prepared to determine the relationships between pore structures and the abilities of different membranes to separate foulants, and the characteristics and performance of the ultrafiltration membranes were investigated. The structure of the skin layer and the cross-sectional texture were converted from dense and finger-like macrovoids to porous sponge shapes because of a delayed liquid-liquid (L-L) demixing time. Formation of novel PPSU membranes via noncovalent bonding interactions was evaluated, and this selectively affected the membrane surface pore structure, layer thickness, surface polarity and electronic repulsive force. All PPSU membranes demonstrated excellent rejection of organic foulants, including bovine serum albumin (BSA) (~100% rejection) and acid red 1 (AR1) (~90% rejection). Additionally, M5 provided an excellent tetracycline (TC) rejection efficiency of 89% in the 1st cycle. Due to the small size of TC, pore size effects were displayed. Moreover, the pure water flux recovery rate (FRR) increased from 85% (M1, water/ethanol: 100/0) to 99.9% (M4, water/ethanol: 30/70) after BSA filtration because the weak nonsolvent decreased the roughness of the membrane surface, and the membrane made with added EtOH yielded excellent FRR values (99.9%) after AR1 filtration. Therefore, PPSU membranes successfully achieved over 90% rejection of organic foulants and excellent FRRs, indicating that they may be suitable for purifying wastewater from API plants that generate organic foulants with a wide range of sizes.
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Affiliation(s)
- Yi-Chen Lin
- School of Occupational Safety and Health, Chung Shan Medical University, Taichung 402, Taiwan; School of Chemical and Biomolecular Engineering, The University of Sydney, New South Wales 2006, Australia
| | - Guo-Liang Zhuang
- School of Occupational Safety and Health, Chung Shan Medical University, Taichung 402, Taiwan; Department of Chemical Engineering, Advanced Research Center for Green Materials Science and Technology, National Taiwan University, Taipei 106, Taiwan
| | - Pei-Fang Tasi
- School of Occupational Safety and Health, Chung Shan Medical University, Taichung 402, Taiwan
| | - Hui-Hsin Tseng
- School of Occupational Safety and Health, Chung Shan Medical University, Taichung 402, Taiwan; Department of Environmental Engineering, National Chung Hsing University, Taichung 402, Taiwan.
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13
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Preparation of loose nanofiltration PVDF membrane coated with dopamine and EPPTMS layers based on mussel inspired technique and ring-opening reaction via a facile VIPS-NIGPS method for dye separation applications. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.04.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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14
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Wang W, Zhang Z, Ma L, Xu X, Zhang P, Yu H. Explorations of complex thermally induced phase separation (C-TIPS) method for manufacturing novel diphenyl ether polysulfate flat microporous membranes. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120739] [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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Sun DX, Liao XL, Zhang N, Huang T, Lei YZ, Xu XL, Wang Y. Biomimetic Modification of Super-wetting Electrospun Poly(vinylidene fluoride) Porous Fibers with Organic Dyes and Heavy Metal Ions Adsorption, Oil/Water Separation, and Sterilization Performances Toward Wastewater Treatment. CHINESE JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1007/s10118-022-2714-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Yan J, Nie L, Li G, Zhu Y, Gao M, Wu R, Wang B. Graphene Oxide Modified Polyamide 66 Ultrafiltration Membranes with Enhanced Anti-Fouling Performance. MEMBRANES 2022; 12:membranes12050458. [PMID: 35629784 PMCID: PMC9147929 DOI: 10.3390/membranes12050458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/16/2022] [Accepted: 04/23/2022] [Indexed: 11/16/2022]
Abstract
Improving the contamination resistance of membranes is one of the most effective ways to address the short service life of membranes. While preparing the membrane system structure, doping nanoparticles into the polymer matrix is beneficial to the preparation of high-performance membranes. To develop a new structure for membrane contamination protection, in this study, a novel asymmetric polyamide 66 composite ultrafiltration (UF) membrane was fabricated by incorporating different masses (ranging from zero to 0.5 wt.%) of graphene oxide (GO) into the polyamide 66 microporous substrate, using formic acid and propylene carbonate as solvents. The effects of GO doping on the morphology, microporous structure and surface of ultrafiltration membranes were investigated by atomic force microscopy (AFM), scanning electron microscopy (SEM), integrated thermal analysis (DSC) and contact angle (CA). In addition, pure water flux, bovine serum albumin (BSA) rejection and contamination resistance were measured to evaluate the filtration performance of different membranes. The overall performance of all the modified membranes was improved compared to pure membranes. The results of contact angle and permeation experiments showed that the addition of GO improved the hydrophilicity of the membrane, but reduced the permeability of the membrane. The minimum flux was only 3.5 L/m2·h, but the rejection rate was 92.5%. Most noteworthy was the fact that GO further enhanced the anti-pollution performance of the membranes and achieved a remarkable performance of 91.32% when the GO content was 0.5 wt.%, which was 1.36 times higher than that of the pure membrane. Therefore, optimal performance was achieved. Furthermore, the UF membrane made of composite substrate offers a promising solution for the development of long-life ultrafiltration membranes with better stability, high-cost efficiency and adequate chemical durability.
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Affiliation(s)
- Jiangyi Yan
- College of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316000, China; (J.Y.); (L.N.); (G.L.); (Y.Z.); (M.G.)
| | - Lihong Nie
- College of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316000, China; (J.Y.); (L.N.); (G.L.); (Y.Z.); (M.G.)
| | - Guiliang Li
- College of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316000, China; (J.Y.); (L.N.); (G.L.); (Y.Z.); (M.G.)
| | - Yuanlu Zhu
- College of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316000, China; (J.Y.); (L.N.); (G.L.); (Y.Z.); (M.G.)
| | - Ming Gao
- College of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316000, China; (J.Y.); (L.N.); (G.L.); (Y.Z.); (M.G.)
| | - Ruili Wu
- Sichuan Bureau of National Food and Strategic Reserves Administration, Chongqing 401326, China;
| | - Beifu Wang
- College of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316000, China; (J.Y.); (L.N.); (G.L.); (Y.Z.); (M.G.)
- Correspondence:
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Yan J, Nie L, Li G, Zhu Y, Gao M, Wu R, Wang B. Axial Crystal Growth Evolution and Crystallization Characteristics of Bi-Continuous Polyamide 66 Membranes Prepared via the Cold Non-Solvent-Induced Phase Separation Technique. Polymers (Basel) 2022; 14:polym14091706. [PMID: 35566874 PMCID: PMC9101189 DOI: 10.3390/polym14091706] [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: 03/29/2022] [Revised: 04/20/2022] [Accepted: 04/20/2022] [Indexed: 12/10/2022] Open
Abstract
Polyamide 66 microporous membranes were prepared by cold non-solvent-induced phase separation using polyamide 66-formic acid-propylene carbonate as a ternary membrane-forming system. The formed membranes exhibited a special bicontinuous structure consisting of interglued spherical crystals or interlocked bundles of microcrystalline aggregates. The variation of the microporous structure under the influence of preparation conditions, solvent, aging time, and polymer concentration affects the comprehensive performance of the membranes. For example, the cold-induced operation and the use of different membrane-forming solvents contributed to the crystallization of polyamide 66, resulting in an increased contact angle of polyamide 66 membranes, obtaining a high resistance to contamination of up to 73.5%. Moreover, the formed membranes still have high mechanical strength.
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Affiliation(s)
- Jiangyi Yan
- College of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316000, China; (J.Y.); (L.N.); (G.L.); (Y.Z.); (M.G.)
| | - Lihong Nie
- College of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316000, China; (J.Y.); (L.N.); (G.L.); (Y.Z.); (M.G.)
| | - Guiliang Li
- College of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316000, China; (J.Y.); (L.N.); (G.L.); (Y.Z.); (M.G.)
| | - Yuanlu Zhu
- College of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316000, China; (J.Y.); (L.N.); (G.L.); (Y.Z.); (M.G.)
| | - Ming Gao
- College of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316000, China; (J.Y.); (L.N.); (G.L.); (Y.Z.); (M.G.)
| | - Ruili Wu
- Sichuan Bureau of National Food and Strategic Reserves Administration, Chongqing 401326, China;
| | - Beifu Wang
- College of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316000, China; (J.Y.); (L.N.); (G.L.); (Y.Z.); (M.G.)
- Correspondence:
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18
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Zhang Z, Wang W, Xu X, Liu X, Li Y, Zhang P. Enhanced morphology and hydrophilicity of PVDF flat membrane with modified CaCO3@SMA additive via thermally induced phase separation method. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2021.12.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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19
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Ismail N, Pan J, Rahmati M, Wang Q, Bouyer D, Khayet M, Cui Z, Tavajohi N. Non-ionic deep eutectic solvents for membrane formation. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2021.120238] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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20
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Zou D, Kim HW, Jeon SM, Lee YM. Robust PVDF/PSF hollow-fiber membranes modified with inorganic TiO2 particles for enhanced oil-water separation. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120470] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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21
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Zou D, Kim HW, Jeon SM, Lee YM. Fabrication and modification of PVDF/PSF hollow-fiber membranes for ginseng extract and saline water separations via direct contact membrane distillation. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2021.120101] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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22
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Facile formation of symmetric microporous PVDF membranes via vapor-induced phase separation of metastable dopes. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.128012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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23
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Preparation of ECTFE Porous Membrane for Dehumidification of Gaseous Streams through Membrane Condenser. MEMBRANES 2022; 12:membranes12010065. [PMID: 35054591 PMCID: PMC8781967 DOI: 10.3390/membranes12010065] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 12/28/2021] [Accepted: 12/29/2021] [Indexed: 02/06/2023]
Abstract
Due to the good hydrophobicity and chemical resistance of poly(ethylene trifluoroethylene) (ECTFE), it has been an attractive potential material for microfiltration, membrane distillation and more. However, few porous hydrophobic ECTFE membranes were prepared by thermally induced phase separation (TIPS) for membrane condenser applications. In this work, the diluent, di-n-octyl phthalate (DnOP), was selected to prepare the dope solutions. The calculated Hassen solubility parameter indicated that ECTFE has good compatibility with DnOP. The corresponding thermodynamic phase diagram was established, and it has been mutually verified with the bi-continuous structure observed in the SEM images. At 30 wt% ECTFE, the surface contact angle and liquid entry pressure reach their maximum values of 139.5° and 0.71 MPa, respectively. In addition, some other basic membrane properties, such as pore size, porosity, and mechanical properties, were determined. Finally, the prepared ECTFE membranes were tested using a homemade membrane condenser setup. When the polymer content is 30 wt%, the corresponding results are better; the water recovery and condensed water yield is 17.6% and 1.86 kg m−2 h−1, respectively.
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Tang Y, Lin Y, Ma W, Wang X. A review on microporous polyvinylidene fluoride membranes fabricated via thermally induced phase separation for MF/UF application. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119759] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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25
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Poly(vinylidene fluoride-co-hexafluoro propylene) membranes prepared via thermally induced phase separation and application in direct contact membrane distillation. Front Chem Sci Eng 2021. [DOI: 10.1007/s11705-021-2098-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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26
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Müller M, Abetz V. Nonequilibrium Processes in Polymer Membrane Formation: Theory and Experiment. Chem Rev 2021; 121:14189-14231. [PMID: 34032399 DOI: 10.1021/acs.chemrev.1c00029] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Porous polymer and copolymer membranes are useful for ultrafiltration of functional macromolecules, colloids, and water purification. In particular, block copolymer membranes offer a bottom-up approach to form isoporous membranes. To optimize permeability, selectivity, longevity, and cost, and to rationally design fabrication processes, direct insights into the spatiotemporal structure evolution are necessary. Because of a multitude of nonequilibrium processes in polymer membrane formation, theoretical predictions via continuum models and particle simulations remain a challenge. We compiled experimental observations and theoretical approaches for homo- and block copolymer membranes prepared by nonsolvent-induced phase separation and highlight the interplay of multiple nonequilibrium processes─evaporation, solvent-nonsolvent exchange, diffusion, hydrodynamic flow, viscoelasticity, macro- and microphase separation, and dynamic arrest─that dictates the complex structure of the membrane on different scales.
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Affiliation(s)
- Marcus Müller
- Georg-August Universität, Institut für Theoretische Physik, 37073 Göttingen, Germany
| | - Volker Abetz
- Helmholtz-Zentrum Hereon, Institut für Membranforschung, 21502 Geesthacht, Germany.,Universität Hamburg, Institut für Physikalische Chemie, 20146 Hamburg, Germany
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27
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A preliminary study of polymer inclusion membrane for lutetium(III) separation and membrane regeneration. J RARE EARTH 2021. [DOI: 10.1016/j.jre.2020.07.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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28
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Fabrication and characterization of ECTFE hollow fiber membranes via low-temperature thermally induced phase separation (L-TIPS). J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119429] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Qin Y, Kang G, Cao Y. Finely tuned polyamide structure with green plasticizers to construct ultrafast water channels for effective desalination. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 784:147089. [PMID: 33901955 DOI: 10.1016/j.scitotenv.2021.147089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 04/05/2021] [Accepted: 04/08/2021] [Indexed: 06/12/2023]
Abstract
Highly permeable reverse osmosis (RO) membranes are desirable for alleviating the energy burden and ensuring future water sustainability. Herein, the effectiveness of green plasticizer-assisted interfacial polymerization (GPAIP) for preparing polyamide thin-film composite (TFC) RO membranes with significantly enhanced water permeability was demonstrated. The presence of green citrate plasticizers, namely tributyl citrate (TBC) or acetyl tributyl citrate (ATBC), led to the formation of new hydrogen bonds and inhibited the formation of the initial interchain amide-amide bonding, thus markedly reducing chain rigidity as demonstrated by the decreased elasticity modulus. More flexible polyamide chains resulted in the creation of more ultrafast water channels during filtration. Furthermore, TBC-modified membranes exhibited more elastic polyamide layers and higher water flux than that of ATBC-modified membranes on account of the presence of both hydrogen bond acceptors (OH) and hydrogen bond donors (C=O) in TBC molecules. Specifically, water flux of 0.6 wt% TBC-modified and 0.6 wt% ATBC-modified membranes was 83.6 L m-2 h-1 and 49.7 L m-2 h-1 respectively, more than 5 times and 3 times that of the pristine membrane. The excellent performance of TFC RO membranes fabricated via GPAIP together with the facile membrane manufacturing process offered the possibility of breaking the predicament in desalination field, which could eventually help ease the current freshwater crisis.
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Affiliation(s)
- Yitian Qin
- Dalian National Laboratory for Clean Energy (DNL), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guodong Kang
- Dalian National Laboratory for Clean Energy (DNL), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Yiming Cao
- Dalian National Laboratory for Clean Energy (DNL), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
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30
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Moattari RM, Mohammadi T, Rajabzadeh S, Dabiryan H, Matsuyama H. Reinforced hollow fiber membranes: A comprehensive review. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.04.052] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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31
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Marshall JE, Zhenova A, Roberts S, Petchey T, Zhu P, Dancer CEJ, McElroy CR, Kendrick E, Goodship V. On the Solubility and Stability of Polyvinylidene Fluoride. Polymers (Basel) 2021; 13:1354. [PMID: 33919116 PMCID: PMC8122610 DOI: 10.3390/polym13091354] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/01/2021] [Accepted: 04/08/2021] [Indexed: 02/06/2023] Open
Abstract
This literature review covers the solubility and processability of fluoropolymer polyvinylidine fluoride (PVDF). Fluoropolymers consist of a carbon backbone chain with multiple connected C-F bonds; they are typically nonreactive and nontoxic and have good thermal stability. Their processing, recycling and reuse are rapidly becoming more important to the circular economy as fluoropolymers find widespread application in diverse sectors including construction, automotive engineering and electronics. The partially fluorinated polymer PVDF is in strong demand in all of these areas; in addition to its desirable inertness, which is typical of most fluoropolymers, it also has a high dielectric constant and can be ferroelectric in some of its crystal phases. However, processing and reusing PVDF is a challenging task, and this is partly due to its limited solubility. This review begins with a discussion on the useful properties and applications of PVDF, followed by a discussion on the known solvents and diluents of PVDF and how it can be formed into membranes. Finally, we explore the limitations of PVDF's chemical and thermal stability, with a discussion on conditions under which it can degrade. Our aim is to provide a condensed overview that will be of use to both chemists and engineers who need to work with PVDF.
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Affiliation(s)
- Jean E. Marshall
- WMG, International Manufacturing Centre, University of Warwick, Coventry CV4 7AL, UK; (S.R.); (P.Z.); (C.E.J.D.); (V.G.)
| | - Anna Zhenova
- Department of Chemistry, University of York, York YO10 5DD, UK; (A.Z.); (T.P.); (C.R.M.)
| | - Samuel Roberts
- WMG, International Manufacturing Centre, University of Warwick, Coventry CV4 7AL, UK; (S.R.); (P.Z.); (C.E.J.D.); (V.G.)
| | - Tabitha Petchey
- Department of Chemistry, University of York, York YO10 5DD, UK; (A.Z.); (T.P.); (C.R.M.)
| | - Pengcheng Zhu
- WMG, International Manufacturing Centre, University of Warwick, Coventry CV4 7AL, UK; (S.R.); (P.Z.); (C.E.J.D.); (V.G.)
| | - Claire E. J. Dancer
- WMG, International Manufacturing Centre, University of Warwick, Coventry CV4 7AL, UK; (S.R.); (P.Z.); (C.E.J.D.); (V.G.)
| | - Con R. McElroy
- Department of Chemistry, University of York, York YO10 5DD, UK; (A.Z.); (T.P.); (C.R.M.)
| | - Emma Kendrick
- College of Engineering and Physical Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK;
| | - Vannessa Goodship
- WMG, International Manufacturing Centre, University of Warwick, Coventry CV4 7AL, UK; (S.R.); (P.Z.); (C.E.J.D.); (V.G.)
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Vainrot N, Li M, Isloor AM, Eisen MS. New Preparation Methods for Pore Formation on Polysulfone Membranes. MEMBRANES 2021; 11:membranes11040292. [PMID: 33919598 PMCID: PMC8073563 DOI: 10.3390/membranes11040292] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 03/29/2021] [Accepted: 04/14/2021] [Indexed: 11/16/2022]
Abstract
This work described the preparation of membranes based on aromatic polysulfones through the phase-inversion method induced by a nonsolvent, generating the phase separation (NIPS) process. Three new techniques, including the nano iron acid etching method, base hydrolysis method of crosslinked polymers, and base hydrolysis method of a reactive component in a binary polymer blend, were developed for pore creation on membranes. The modified polymers and obtained membranes were carefully characterized. The uniform pores were successfully created by base hydrolysis of the crosslinked polymers and obtained at the size of the crosslinker. Moreover, homogeneous pores were created after base hydrolysis of the membranes prepared from binary polymer blends due to the internal changes in the polymer structure. The separation performance of membranes was tested with different inorganic salt solutions and compared with commercially known membranes. These new membranes exhibited high water flux (up to 3000 L/m-2·h-1 at 10 bar and at 25 °C) and reasonable rejections for monovalent (21-44%) and multivalent ions (18-60%), depending on the different etching of the hydrolysis times. The comparison of these membranes with commercial ones confirmed their good separation performance and high potential application for water treatment applications.
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Affiliation(s)
- Natalia Vainrot
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa 32000, Israel; (N.V.); (A.M.I.)
| | - Mingyuan Li
- Department of Chemistry, Guangdong Technion-Israel Institute of Technology, Shantou 515063, China;
| | - Arun M. Isloor
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa 32000, Israel; (N.V.); (A.M.I.)
- Membrane and Separation Technology Laboratory, Department of Chemistry, National Institute of Technology Karnataka, Surathkal, Mangalore 575 025, India
| | - Moris S. Eisen
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa 32000, Israel; (N.V.); (A.M.I.)
- Department of Chemistry, Guangdong Technion-Israel Institute of Technology, Shantou 515063, China;
- Correspondence:
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Lee WJ, Goh PS, Lau WJ, Ismail AF, Hilal N. Green Approaches for Sustainable Development of Liquid Separation Membrane. MEMBRANES 2021; 11:235. [PMID: 33806115 PMCID: PMC8064480 DOI: 10.3390/membranes11040235] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 03/21/2021] [Accepted: 03/22/2021] [Indexed: 11/30/2022]
Abstract
Water constitutes one of the basic necessities of life. Around 71% of the Earth is covered by water, however, not all of it is readily available as fresh water for daily consumption. Fresh water scarcity is a chronic issue which poses a threat to all living things on Earth. Seawater, as a natural resource abundantly available all around the world, is a potential water source to fulfil the increasing water demand. Climate-independent seawater desalination has been touted as a crucial alternative to provide fresh water. While the membrane-based desalination process continues to dominate the global desalination market, the currently employed membrane fabrication materials and processes inevitably bring adverse impacts to the environment. This review aims to elucidate and provide a comprehensive outlook of the recent efforts based on greener approaches used for desalination membrane fabrication, which paves the way towards achieving sustainable and eco-friendly processes. Membrane fabrication using green chemistry effectively minimizes the generation of hazardous compounds during membrane preparation. The future trends and recommendations which could potentially be beneficial for researchers in this field are also highlighted.
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Affiliation(s)
- Wei Jie Lee
- Advanced Membrane Technology Research Centre, School of Chemical & Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81310, Johore, Malaysia; (W.J.L.); (W.J.L.); (A.F.I.)
| | - Pei Sean Goh
- Advanced Membrane Technology Research Centre, School of Chemical & Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81310, Johore, Malaysia; (W.J.L.); (W.J.L.); (A.F.I.)
| | - Woei Jye Lau
- Advanced Membrane Technology Research Centre, School of Chemical & Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81310, Johore, Malaysia; (W.J.L.); (W.J.L.); (A.F.I.)
| | - Ahmad Fauzi Ismail
- Advanced Membrane Technology Research Centre, School of Chemical & Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81310, Johore, Malaysia; (W.J.L.); (W.J.L.); (A.F.I.)
| | - Nidal Hilal
- Water Research Centre, New York University Abu Dhabi (NYUAD), Saadiyat Marina District, Abu Dhabi PO Box 129188, United Arab Emirates
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Yang B, Chen Q, Ding M, Pan Y, Zhang P, Wang S, Qian J, Miao J, Xia R, Chen P, Shi Y, Tu Y. Facile way of dynamically tailoring microporous structures in polyvinylidene fluoride films prepared by thermally induced phase separation. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20190206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Bin Yang
- College of Chemistry & Chemical Engineering, Anhui Provincial Key Laboratory of Environment‐Friendly Polymeric Materials Anhui University Hefei China
| | - Qinting Chen
- College of Chemistry & Chemical Engineering, Anhui Provincial Key Laboratory of Environment‐Friendly Polymeric Materials Anhui University Hefei China
| | - Mengya Ding
- College of Chemistry & Chemical Engineering, Anhui Provincial Key Laboratory of Environment‐Friendly Polymeric Materials Anhui University Hefei China
| | - Yang Pan
- College of Chemistry & Chemical Engineering, Anhui Provincial Key Laboratory of Environment‐Friendly Polymeric Materials Anhui University Hefei China
| | - Peng Zhang
- College of Chemistry & Chemical Engineering, Anhui Provincial Key Laboratory of Environment‐Friendly Polymeric Materials Anhui University Hefei China
| | - Shuqing Wang
- College of Chemistry & Chemical Engineering, Anhui Provincial Key Laboratory of Environment‐Friendly Polymeric Materials Anhui University Hefei China
| | - Jiasheng Qian
- College of Chemistry & Chemical Engineering, Anhui Provincial Key Laboratory of Environment‐Friendly Polymeric Materials Anhui University Hefei China
| | - Jibin Miao
- College of Chemistry & Chemical Engineering, Anhui Provincial Key Laboratory of Environment‐Friendly Polymeric Materials Anhui University Hefei China
| | - Ru Xia
- College of Chemistry & Chemical Engineering, Anhui Provincial Key Laboratory of Environment‐Friendly Polymeric Materials Anhui University Hefei China
| | - Peng Chen
- College of Chemistry & Chemical Engineering, Anhui Provincial Key Laboratory of Environment‐Friendly Polymeric Materials Anhui University Hefei China
| | - You Shi
- College of Polymer Science & Engineering, State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu China
| | - Youlei Tu
- College of Polymer Science & Engineering, State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu China
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Yadav P, Ismail N, Essalhi M, Tysklind M, Athanassiadis D, Tavajohi N. Assessment of the environmental impact of polymeric membrane production. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118987] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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36
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Qiao Q, Wang HJ, Li CP, Wang XZ, Ren XM. Improving proton conduction of the Prussian blue analogue Cu3[Co(CN)6]2·nH2O at low humidity by forming hydrogel composites. Inorg Chem Front 2021. [DOI: 10.1039/d1qi00070e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Composites of Prussian blue analogue (PBA) adsorbed imidazole-acetic acid with polyvinyl alcohol hydrogel show excellent water-retention capacity and fast proton conduction at 25% RH in 298–353 K, herein X is the mass ratio of PBA to hydrogel.
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Affiliation(s)
- Qiao Qiao
- State Key Laboratory of Materials-Oriented Chemical Engineering and College of Chemistry and Molecular Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Hua-Jiang Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering and College of Chemistry and Molecular Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
- College of Chemical Engineering
| | - Cui-Ping Li
- State Key Laboratory of Materials-Oriented Chemical Engineering and College of Chemistry and Molecular Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Xiao-Zu Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering and College of Chemistry and Molecular Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
- College of Chemical Engineering
| | - Xiao-Ming Ren
- State Key Laboratory of Materials-Oriented Chemical Engineering and College of Chemistry and Molecular Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
- State Key Laboratory of Coordination Chemistry
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Lin YC, Tseng HH, Wang DK. Uncovering the effects of PEG porogen molecular weight and concentration on ultrafiltration membrane properties and protein purification performance. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118729] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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38
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Patterning flat-sheet Poly(vinylidene fluoride) membrane using templated thermally induced phase separation. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118627] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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39
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Lasisi KH, Yao W, Ajibade TF, Tian H, Fang F, Zhang K. Impacts of Sulfuric Acid on the Stability and Separation Performance of Polymeric PVDF-Based Membranes at Mild and High Concentrations: An Experimental Study. MEMBRANES 2020; 10:membranes10120375. [PMID: 33260986 PMCID: PMC7760507 DOI: 10.3390/membranes10120375] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/21/2020] [Accepted: 11/24/2020] [Indexed: 11/16/2022]
Abstract
This study investigated the effects of an aqueous acidic solution at typical concentrations on polymeric polyvinylidene fluoride (PVDF)-based membranes. Flat-sheet PVDF-based membranes were completely embedded in sulfuric acid at varying concentrations. The effect of the acid concentration after a prolonged exposure time on the chemical, mechanical and physical properties of the membrane were checked via FE-SEM, EDX (Energy-Dispersive Spectrometer), FTIR, XRD, tensile strength, zeta potential, contact angle, porosity, pure water flux measurement and visual observation. The result reveals prompt initiation of reaction between the PVDF membrane and sulfuric acid, even at a mild concentration. As the exposure time extends with increasing concentration, the change in chemical and mechanical properties become more pronounced, especially in the morphology, although this was not really noticeable in either the crystalline phase or the functional group analyses. The ultimate mechanical strength decreased from 46.18 ± 0.65 to 32.39 ± 0.22 MPa, while the hydrophilicity was enhanced due to enlargement of the pores. The flux at the highest concentration and exposure period increased by 2.3 times that of the neat membrane, while the BSA (Bovine Serum Albumin) rejection dropped by 55%. Similar to in an alkaline environment, the stability and performance of the PVDF-based membrane analyzed in this study manifested general deterioration.
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Affiliation(s)
- Kayode H. Lasisi
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; (K.H.L.); (W.Y.); (T.F.A.); (H.T.); (F.F.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Weihao Yao
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; (K.H.L.); (W.Y.); (T.F.A.); (H.T.); (F.F.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Temitope F. Ajibade
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; (K.H.L.); (W.Y.); (T.F.A.); (H.T.); (F.F.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Huali Tian
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; (K.H.L.); (W.Y.); (T.F.A.); (H.T.); (F.F.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fang Fang
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; (K.H.L.); (W.Y.); (T.F.A.); (H.T.); (F.F.)
| | - Kaisong Zhang
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; (K.H.L.); (W.Y.); (T.F.A.); (H.T.); (F.F.)
- Correspondence: ; Tel.: +86-592-6190782
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Hosseinifard SM, Aroon MA, Dahrazma B. Application of PVDF/HDTMA-modified clinoptilolite nanocomposite membranes in removal of reactive dye from aqueous solution. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.117294] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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41
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Liu G, Pan J, Xu X, Wang Z, Cui Z. Preparation of ECTFE porous membrane with a green diluent TOTM and performance in VMD process. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118375] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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42
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Zuo JH, Wei C, Cheng P, Yan X, Chen Y, Lang WZ. Breakthrough the upperbond of permeability vs. tensile strength of TIPS-prepared PVDF membranes. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118089] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Wang X, Li X, Yue J, Cheng Y, Xu K, Wang Q, Fan F, Wang Z, Cui Z. Fabrication of poly(vinylidene fluoride) membrane via thermally induced phase separation using ionic liquid as green diluent. Chin J Chem Eng 2020. [DOI: 10.1016/j.cjche.2020.01.011] [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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Pochivalov KV, Basko AV, Kudryavtsev YV. Binary mixtures of semicrystalline polymers with low-molecular-mass compounds: thermal behaviour and phase structure. RUSSIAN CHEMICAL REVIEWS 2020. [DOI: 10.1070/rcr4896] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The results of phase equilibrium studies in mixtures of semicrystalline polymers with low-molecular-mass compounds are summarized and analyzed. A new classification of phase diagrams for such mixtures is proposed. Alternative points of view on the phase composition of semicrystalline polymers are presented. The phase structure evolution during the thermally induced phase separation of mixtures is monitored and the morphology of the forming capillary porous bodies as precursors of polymeric membranes is described. The general regularities concerning the influence of the nature of mixture components, polymer molecular mass, temperature scanning rate and other factors on the topology of phase diagrams are considered. Experimental methods used to construct the phase diagrams of mixtures and to study features of their phase structure are compared.
The bibliography includes 203 references.
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Ismail N, Venault A, Mikkola JP, Bouyer D, Drioli E, Tavajohi Hassan Kiadeh N. Investigating the potential of membranes formed by the vapor induced phase separation process. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2019.117601] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Li N, Lu Q, Yin W, Xiao C, Li J. The structure and properties of poly(vinylidene fluoride)/ultrahigh-molecular -weight polyethylene blend hollow fiber membranes via TIPS with mixed diluents. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2019.117527] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Tocci E, Rizzuto C, Macedonio F, Drioli E. Effect of Green Solvents in the Production of PVDF-Specific Polymorphs. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.9b06701] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Elena Tocci
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/C, 87030 Rende (CS), Italy
| | - Carmen Rizzuto
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/C, 87030 Rende (CS), Italy
| | - Francesca Macedonio
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/C, 87030 Rende (CS), Italy
| | - Enrico Drioli
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/C, 87030 Rende (CS), Italy
- Department of Environmental and Chemical Engineering, University of Calabria, Via P. Bucci 44, 87030 Rende (CS), Italy
- Engineering Research Center for Special Separation Membrane, Nanjing Tech University, Nanjing 210009, China
- WCU Department of Energy Engineering, College of Engineering, Hanyang University, Seoul 133-791, Korea
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Application of β-Cyclodextrin-Modified/PVDF Blend Magnetic Membranes for Direct Metal Ions Removal from Wastewater. J Inorg Organomet Polym Mater 2019. [DOI: 10.1007/s10904-019-01416-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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