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Vasco G, Arima V, Boudjelida S, Carraro M, Bianco M, Zizzari A, Perrone E, Galiano F, Figoli A, Cesaria M. Polymeric Membranes Doped with Halloysite Nanotubes Imaged using Proton Microbeam Microscopy. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2970. [PMID: 37999324 PMCID: PMC10674683 DOI: 10.3390/nano13222970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 11/15/2023] [Accepted: 11/16/2023] [Indexed: 11/25/2023]
Abstract
Polymeric membranes are useful tools for water filtration processes, with their performance strongly dependent on the presence of hydrophilic dopants. In this study, polyaniline (PANI)-capped aluminosilicate (halloysite) nanotubes (HNTs) are dispersed into polyether sulfone (PES), with concentrations ranging from 0.5 to 1.5 wt%, to modify the properties of the PES membrane. Both undoped and HNT-doped PES membranes are investigated in terms of wettability (static and time-dependent contact angle), permeance, mechanical resistance, and morphology (using scanning electron microscopy (SEM)). The higher water permeance observed for the PES membranes incorporating PANI-capped HNTs is, finally, assessed and discussed vis-à-vis the real distribution of HNTs. Indeed, the imaging and characterization in terms of composition, spatial arrangement, and counting of HNTs embedded within the polymeric matrix are demonstrated using non-destructive Micro Particle Induced X-ray Emission (µ-PIXE) and Scanning Transmission Ion Microscopy (STIM) techniques. This approach not only exhibits the unique ability to detect/highlight the distribution of HNTs incorporated throughout the whole thickness of polymer membranes and provide volumetric morphological information consistent with SEM imaging, but also overcomes the limits of the most common analytical techniques exploiting electron probes. These aspects are comprehensively discussed in terms of practical analysis advantages.
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Affiliation(s)
- Giovanna Vasco
- CEDAD—Center of Applied Physics, Dating and Diagnostics, Cittadella della Ricerca, University of Salento, SS. 7, Km. 7300, 72100 Brindisi, Italy;
- Department of Mathematics and Physics “Ennio De Giorgi”, University of Salento, Campus Ecotekne, 73100 Lecce, Italy
| | - Valentina Arima
- CNR NANOTEC—Institute of Nanotechnology, c/o Campus Ecotekne, 73100 Lecce, Italy; (M.B.); (A.Z.); (E.P.)
| | - Soufiane Boudjelida
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131 Padova, Italy;
- Department of Material Sciences, University Mohamed El Bachir El Ibrahimi, Bordj Bou Arreridj 34030, Algeria
| | - Mauro Carraro
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131 Padova, Italy;
- Institute on Membrane Technology (CNR-ITM), University of Padova, Via Marzolo 1, 35131 Padova, Italy
| | - Monica Bianco
- CNR NANOTEC—Institute of Nanotechnology, c/o Campus Ecotekne, 73100 Lecce, Italy; (M.B.); (A.Z.); (E.P.)
| | - Alessandra Zizzari
- CNR NANOTEC—Institute of Nanotechnology, c/o Campus Ecotekne, 73100 Lecce, Italy; (M.B.); (A.Z.); (E.P.)
| | - Elisabetta Perrone
- CNR NANOTEC—Institute of Nanotechnology, c/o Campus Ecotekne, 73100 Lecce, Italy; (M.B.); (A.Z.); (E.P.)
| | - Francesco Galiano
- Institute on Membrane Technology (CNR-ITM), Via P. Bucci 17/c, 87036 Rende, CS, Italy; (F.G.); (A.F.)
| | - Alberto Figoli
- Institute on Membrane Technology (CNR-ITM), Via P. Bucci 17/c, 87036 Rende, CS, Italy; (F.G.); (A.F.)
| | - Maura Cesaria
- Department of Mathematics and Physics “Ennio De Giorgi”, University of Salento, Campus Ecotekne, 73100 Lecce, Italy
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Zhao J, Cao L, Wang X, Huo H, Lin H, Wang Q, Yang X, Vogel F, Li W, Lin Z, Zhang P. MOF@Polydopamine-incorporated membrane with high permeability and mechanical property for efficient fouling-resistant and oil/water separation. ENVIRONMENTAL RESEARCH 2023; 236:116685. [PMID: 37467944 DOI: 10.1016/j.envres.2023.116685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/06/2023] [Accepted: 07/15/2023] [Indexed: 07/21/2023]
Abstract
Metal organic frameworks (MOFs) have demonstrated great potential for their favorable impacts on the performance of water treatment membranes. Herein, the novel nanoparticles based on both nanoporous MOFs and organic PDA layer was exploited as a novel dopant for the fabrication of PES ultrafiltration (UF) membranes. The PDA was synthesized via oxidative self-polymerization under alkaline conditions and formed adhesive coatings on dispersed MOF. The properties of resulting membranes on the porosity, membrane morphology, hydrophilicity, permeability and anti-fouling performance were adequately investigated. The membranes incorporated with MOF@PDA exhibited exceptionally high permeability (209.02 L m-2·h-1), which is approximately 6 times higher than that of the pure PES membrane, and high BSA rejection (99.12%). Notably, the mechanical property and hydrophilicity of the PES membrane were both enhanced by MOF@PDA, and it has been demonstrated that greater hydrophilicity prevents fouling under practical conditions, which results in significant improvements in flux recovery ratio (FRR) (82%). In addition, the modified PES membranes were used to purify the oil/water emulsion, and the results indicates that the membranes have high permeability and rejection of oil/water emulsion, showing its great promise in practical oily sewage remediation.
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Affiliation(s)
- Jiahui Zhao
- Institute of Advanced Wear & Corrosion Resistant and Functional Materials, Jinan University, Guangzhou, 510632, China
| | - Lin Cao
- Institute of Advanced Wear & Corrosion Resistant and Functional Materials, Jinan University, Guangzhou, 510632, China
| | - Xiao Wang
- Institute of Advanced Wear & Corrosion Resistant and Functional Materials, Jinan University, Guangzhou, 510632, China
| | - Haoling Huo
- Institute of Advanced Wear & Corrosion Resistant and Functional Materials, Jinan University, Guangzhou, 510632, China
| | - Huaijun Lin
- Institute of Advanced Wear & Corrosion Resistant and Functional Materials, Jinan University, Guangzhou, 510632, China
| | - Qiwei Wang
- Institute of Advanced Wear & Corrosion Resistant and Functional Materials, Jinan University, Guangzhou, 510632, China
| | - Xusheng Yang
- Department of Industrial and Systems Engineering, Research Institute for Advanced Manufacturing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Florian Vogel
- Institute of Advanced Wear & Corrosion Resistant and Functional Materials, Jinan University, Guangzhou, 510632, China
| | - Wei Li
- Institute of Advanced Wear & Corrosion Resistant and Functional Materials, Jinan University, Guangzhou, 510632, China
| | - Zhidan Lin
- Institute of Advanced Wear & Corrosion Resistant and Functional Materials, Jinan University, Guangzhou, 510632, China.
| | - Peng Zhang
- Institute of Advanced Wear & Corrosion Resistant and Functional Materials, Jinan University, Guangzhou, 510632, China.
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Acarer S. A review of microplastic removal from water and wastewater by membrane technologies. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2023; 88:199-219. [PMID: 37452543 PMCID: wst_2023_186 DOI: 10.2166/wst.2023.186] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Microplastics (MPs) cannot be completely removed from water/wastewater in conventional wastewater treatment plants (WWTPs) and drinking water treatment plants (DWTPs). According to the literature analysis, membrane technologies, one of the advanced treatment technologies, are the most effective and promising technologies for MP removal from water and wastewater. In this paper, firstly, the properties of MPs commonly present in WWTPs/DWTPs and the MP removal efficiency of WWTPs/DWTPs are briefly reviewed. In addition, research studies on MP removal from water/wastewater by microfiltration (MF), ultrafiltration (UF), nanofiltration (NF), reverse osmosis (RO), and membrane bioreactors (MBRs) are reviewed. In the next section, membrane filtration is compared with other methods used for MP removal from water/wastewater, and the advantages/disadvantages of the removal methods are discussed. Moreover, the problem of membrane fouling with MPs during filtration and the potential for MP release from polymeric membrane structure to water/wastewater are discussed. Finally, based on the studies in the literature, the current status and research deficiencies of MP removal by membrane technologies are identified, and recommendations are made for further studies.
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Affiliation(s)
- Seren Acarer
- Department of Environmental Engineering, Faculty of Engineering, İstanbul University-Cerrahpaşa, Avcılar, İstanbul 34320, Turkey E-mail:
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Yang HL, Ang MBMY, Tsai HA, Lee KR, Lai JY. Effect of adding carbon quantum dots to a NMP solution of cellulose acetate on the formation mechanism of ensuing membrane. J Taiwan Inst Chem Eng 2022. [DOI: 10.1016/j.jtice.2022.104250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Yin J, Zhang HF. A combined physical blending and surface grafting strategy for hydrophilic modification of polyethersulfone membrane toward oil/water separation. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.124177] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Grylewicz A, Szymański K, Darowna D, Mozia S. Influence of Polymer Solvents on the Properties of Halloysite-Modified Polyethersulfone Membranes Prepared by Wet Phase Inversion. Molecules 2021; 26:2768. [PMID: 34066689 PMCID: PMC8125839 DOI: 10.3390/molecules26092768] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 05/04/2021] [Accepted: 05/05/2021] [Indexed: 11/29/2022] Open
Abstract
Ultrafiltration polyethersulfone (PES) membranes were prepared by wet phase inversion. Commercial halloysite nanotubes (HNTs) in the quantities of 0.5 wt% vs. PES (15 wt%) were introduced into the casting solution containing the polymer and different solvents: N,N-dimethylformamide (DMF), N,N-dimethylacetamide (DMA), or 1-methyl-2-pyrrolidinone (NMP). The type of solvent influenced the membranes' morphology and topography, as well as permeability, separation characteristics, and antifouling and antibacterial properties. The membranes prepared using DMA exhibited the loosest cross-section structure with the thinnest skin and the roughest surface, while the densest and smoothest were the DMF-based membranes. The advanced contact angles were visibly lower in the case of the membranes prepared using DMF compared to the other solvents. The highest water permeability was observed for the DMA-based membranes, however, the most significant effect of the modification with HNTs was found for the NMP-based series. Regardless of the solvent, the introduction of HNTs resulted in an improvement of the separation properties of membranes. A noticeable enhancement of antifouling performance upon application of HNTs was found only in the case of DMF-based membranes. The study of the antibacterial properties showed that the increase in surface roughness had a positive effect on the inhibition of E. coli growth.
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Affiliation(s)
| | | | | | - Sylwia Mozia
- Department of Inorganic Chemical Technology and Environment Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, ul. Pułaskiego 10, 70-322 Szczecin, Poland; (A.G.); (K.S.); (D.D.)
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Gao CM, Chen JC, Liu SH, Xing YQ, Ji SF, Chen HY, Chen JJ, Zou P, Cai JN, Fang H. Development of hydrophilic PES membranes using F127 and HKUST-1 based on the RTIPS method: Mitigate the permeability-selectivity trade-off. ENVIRONMENTAL RESEARCH 2021; 196:110964. [PMID: 33675799 DOI: 10.1016/j.envres.2021.110964] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 02/24/2021] [Accepted: 03/01/2021] [Indexed: 06/12/2023]
Abstract
In this study, to mitigate the permeability-selectivity trade-off effect, Pluronic F127 (F127) and HKUST-1 were employed to construct high-performance membranes based on the reverse thermally induced phase separation (RTIPS) method. F127, as a hydrophilic modifier, was applied to increase permeability and resist polyethersulfone (PES) membrane fouling, while the collapse of HKSUT-1 caused by its instability in pure water improved the permeability and selectivity of the membrane. Characterizations demonstrated the successful synthesis of HKUST-1, together with the successful introduction of HKSUT-1 and F127 in PES membranes. It was observed that the membrane prepared by the RTIPS process possessed a uniformly porous surface and sponge-like cross-section with excellent mechanical properties, higher permeability, and selectivity compared to the dense skin and finger-like cross-section of the membrane prepared by the nonsolvent induced phase separation (NIPS) method. Moreover, the permeation and bovine serum albumin (BSA) rejection rate of the optimal membrane reached 2378 L/m2 h and 89.3%, respectively, which were far higher than those of the pure membrane. Hydrophilic F127 and many microvoids formed by the collapse of HKUST-1, played an important role in excellent antifouling properties, high permeability, and selectivity by pure water flux (PWF), flux recovery rate (FRR), BSA flux, and COD removal rate tests. Overall, the membrane with F127 and HKSUT-1 prepared via the RTIPS method not only obtained excellent antifouling properties but also mitigated the permeability-selectivity trade-off.
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Affiliation(s)
- Chun-Mei Gao
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China; Center for Polar Research, Shanghai Ocean University, Shanghai, 201306, China; Marine Environment Monitoring and Assessment Center, Shanghai Ocean University, Shanghai, 201306, China
| | - Jin-Chao Chen
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China
| | - Sheng-Hui Liu
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China; Marine Environment Monitoring and Assessment Center, Shanghai Ocean University, Shanghai, 201306, China.
| | - Yun-Qing Xing
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China; Marine Environment Monitoring and Assessment Center, Shanghai Ocean University, Shanghai, 201306, China
| | - Shi-Feng Ji
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China; Marine Environment Monitoring and Assessment Center, Shanghai Ocean University, Shanghai, 201306, China
| | - Hong-Yu Chen
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China
| | - Jia-Jian Chen
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China
| | - Peng Zou
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China
| | - Jiao-Nan Cai
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China
| | - Han Fang
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China
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Ho CC, Su JF, Cheng LP. Fabrication of high-flux asymmetric polyethersulfone (PES) ultrafiltration membranes by nonsolvent induced phase separation process: Effects of H2O contents in the dope. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123451] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Dehghan R, Barzin J. High cut-off membrane: evaluation of pore collapse and the synergistic effect of low and high molecular weight polyvinylpyrrolidone. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02429-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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A double anti-fouling mechanism established by self-assembly of TiO2 on F127 chains for improving the hydrophilicity of PES membrane based on RTIPS method. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117742] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Chauke NM, Moutloali RM, Ramontja J. Development of ZSM-22/Polyethersulfone Membrane for Effective Salt Rejection. Polymers (Basel) 2020; 12:polym12071446. [PMID: 32605204 PMCID: PMC7408022 DOI: 10.3390/polym12071446] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 05/29/2020] [Accepted: 06/01/2020] [Indexed: 11/16/2022] Open
Abstract
ZSM-22/polyethersulfone membranes were prepared for salt rejection using modelled brackish water. The membranes were fabricated via direct ZSM-22 incorporation into a polymer matrix, thereby inducing the water permeability, hydrophilicity and fouling resistance of the pristine polyethersulfone (PES) membrane. A ZSM-22 zeolite material with a 60 Si/Al ratio, high crystallinity and needle-like morphologies was produced and effectively used as a nanoadditive in the development of ZSM-22/PES membranes with nominal loadings of 0–0.75 wt.%. The characterisation and membrane performance evaluation of the resulting materials with XRD, BET, FTIR, TEM, SEM and contact angle as well as dead-end cell, respectively, showed improved water permeability in comparison with the pristine PES membrane. These ZSM-22/PES membranes were found to be more effective and superior in the processing of modelled brackish water. The salt rejection of the prepared membranes for NaCl and MgCl2 was effective, while they exhibited quite improved water flux and flux recovery ratios in the membrane permeability and anti-fouling test. This indicates that different amounts of ZSM-22 nanoadditives produce widely divergent influences on the performance of the pristine PES membrane. As such, over 55% of salt rejection is observed, which means that the obtained membranes are effective in salt removal from water.
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Affiliation(s)
- Nyiko M. Chauke
- Department of Chemical Sciences, Faculty of Science, University of Johannesburg, Doornfontein 2028, Johannesburg, South Africa;
- DSI/MINTEK Nanotechnology Innovation Centre-Water Research Node, University of Johannesburg, Doornfontein 2028, Johannesburg, South Africa
| | - Richard M. Moutloali
- Department of Chemical Sciences, Faculty of Science, University of Johannesburg, Doornfontein 2028, Johannesburg, South Africa;
- DSI/MINTEK Nanotechnology Innovation Centre-Water Research Node, University of Johannesburg, Doornfontein 2028, Johannesburg, South Africa
- Correspondence: (R.M.M.); (J.R.); Tel.: +27-(0)-11-559-6885 (R.M.M.); +27-(0)-11-559-6754 (J.R.)
| | - James Ramontja
- Department of Chemical Sciences, Faculty of Science, University of Johannesburg, Doornfontein 2028, Johannesburg, South Africa;
- Correspondence: (R.M.M.); (J.R.); Tel.: +27-(0)-11-559-6885 (R.M.M.); +27-(0)-11-559-6754 (J.R.)
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