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Arias-Ruiz F, Rangel-Porras G, Falcón-Millán G, Razo-Lazcano T, González-Muñoz P. Effect of basic and basic/acid modifications on the surface of PVDF membranes for the insertion of TiO 2 and its use in environmental applications. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:126009-126028. [PMID: 38008843 DOI: 10.1007/s11356-023-31052-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 11/10/2023] [Indexed: 11/28/2023]
Abstract
Supporting titanium oxide (TiO2) on polymeric membrane surfaces is a strategy to increase the photocatalytic activity of this material as well as to modify membrane surface with antifouling properties or to develop hybrid processes of water treatment. The chemical characteristics of the polymeric membrane surfaces are a determining factor in the correct impregnation of TiO2 particles. In this work, the titanium oxide was immobilized on polyvinylidene fluoride (PVDF) membrane surface by direct impregnation during the synthesis of the inorganic particles by sol-gel route. The PVDF membranes were previously modified by treatments based on an alkaline attack followed by acid treatment. The final TiO2-modified membranes were characterized by infrared and Raman spectroscopy, as well as by scanning electron microscopy. In addition, the changes on the surface characteristics were determined by contact angle measurements. Finally, the membranes were tested on the photocatalytic degradation of methyl orange (MO). The results obtained indicate that the basic/acid pretreatment allows the generation of active sites in the membrane and that when carrying out the synthesis of TiO2 on the membrane, it can be anchored stably on its surface and through the pores. The microscopies indicate that the structure of the membrane is not compromised by the pretreatment. The amount of TiO2 deposited on the membrane was of 0.1580 ± 0.01773 mg TiO2/cm2 membrane. With this amount of TiO2, a degradation percentage of 98.2% is achieved after 450 min; when the membrane is used for a second cycle, a degradation percentage of 82.0% is obtained, which remains constant for 3 subsequent cycles. This method, which uses the PVDF membrane as a support for TiO2 particles, represents a low-cost and easy-to-prepare insertion procedure, with good degradation percentages, which means that the membrane can be used for subsequent studies in filtration systems in the treatment of effluents from the textile industry.
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Affiliation(s)
- Fabiola Arias-Ruiz
- Departamento de Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Cerro de La Venada S/N, Guanajuato, Guanajuato, 36040, México
| | - Gustavo Rangel-Porras
- Departamento de Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Cerro de La Venada S/N, Guanajuato, Guanajuato, 36040, México
| | - Guadalupe Falcón-Millán
- Departamento de Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Cerro de La Venada S/N, Guanajuato, Guanajuato, 36040, México
| | - Teresa Razo-Lazcano
- Departamento de Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Cerro de La Venada S/N, Guanajuato, Guanajuato, 36040, México
| | - Pilar González-Muñoz
- Departamento de Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Cerro de La Venada S/N, Guanajuato, Guanajuato, 36040, México.
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2
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Zhang C, Nie L, Wang J, Wang B. TiO 2-PAA-SiO 2 pearl chain blend modified polyvinylidene fluoride ultrafiltration membrane with excellent oil-water separation, anti fouling performance and durability. ENVIRONMENTAL TECHNOLOGY 2023:1-26. [PMID: 37961915 DOI: 10.1080/09593330.2023.2283804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 10/28/2023] [Indexed: 11/15/2023]
Abstract
In this work, a new type of composite nanoparticles, 'pearl chain', was developed by linking titanium dioxide and silicon dioxide by polyacrylic acid polymer chains, and the prepared TiO2-PAA-SiO2 composite nanoparticles were analysed by SEM, Fourier transform infrared spectroscopy, x-ray photoelectron spectroscopy and thermogravimetric analysis, zeta potential, x-ray diffraction, etc. The success of this work was verified by the successful linking of TiO2-PAA-SiO2 composite nanoparticles.TiO2-PAA-SiO2 composite nanoparticles were analysed to verify the successful attachment of pearl chains. The obtained TiO2-PAA-SiO2 were subsequently blended in different ratios to prepare polyvinylidene fluoride (PVDF) ultrafiltration membranes. The membrane performance was tested by porosity and water contact angle measurements, scanning electron microscopy, as well as experiments using bovine serum proteins and MTBE interception. The results showed that when a certain amount of TiO2-PAA-SiO2 was added, the surface wettability, porosity and permeability of the prepared modified composite membranes were significantly improved, and the BSA adsorption rate was increased from 71.59% to 80.86%, and the retention rate of MTBE was increased by 77%, in addition to showing a better anti-pollution effect (FRR: 91.07%). It was finally concluded that the prepared membranes embedded with 1.0 wt.% TiO2-PAA-SiO2 nanofillers showed good overall filtration performance, better contamination resistance and remarkable durability. The present work successfully demonstrated the feasibility of using polyacrylic acid chemical chains to connect nanoparticles with different functions to prevent particle loss and substantially enhance membrane performance, which is valuable for bridging connection of composite nanoparticles and exploring the development of high-performance ultrafiltration membranes.
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Affiliation(s)
- Chenxiao Zhang
- School of Ship and Marine Transportation, Zhejiang Ocean University, Zhoushan, People's Republic of China
| | - Lihong Nie
- School of Petrochemical and Environment, Zhejiang Ocean University, Zhoushan, People's Republic of China
| | - Jiafan Wang
- School of Petrochemical and Environment, Zhejiang Ocean University, Zhoushan, People's Republic of China
| | - Beifu Wang
- School of Petrochemical and Environment, Zhejiang Ocean University, Zhoushan, People's Republic of China
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3
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Alebrahim E, Moreau C. A Comparative Study of the Self-Cleaning and Filtration Performance of Suspension Plasma-Sprayed TiO 2 Ultrafiltration and Microfiltration Membranes. MEMBRANES 2023; 13:750. [PMID: 37755172 PMCID: PMC10534907 DOI: 10.3390/membranes13090750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/11/2023] [Accepted: 08/15/2023] [Indexed: 09/28/2023]
Abstract
This study investigated the performance of photocatalytic titanium dioxide microfiltration membranes with an average pore size of approximately 180 nm and ultrafiltration membranes with an average pore size of around 40 nm fabricated with the suspension plasma spray process. The membranes were evaluated for their filtration performance using SiO2 particles of different sizes and polyethylene oxide with molecular weights of 20 kDa to 1000 kDa, and the fouling parameters were characterized. The rejection rate was enhanced by increasing the thickness of the membranes. This effect was more pronounced with the ultrafiltration membranes. The rejection rate of the ultrafiltration membrane was improved significantly after filling the larger pores on the surface with agglomerates of titanium dioxide nanoparticles. The self-cleaning performance of the membranes was assessed under visible light. Both ultrafiltration and microfiltration membranes showed a flux recovery under visible light illumination due to the photocatalytic activity of titanium dioxide. The membranes also show a flux recovery of more than 90%.
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Affiliation(s)
| | - Christian Moreau
- Department of Mechanical, Industrial, and Aerospace Engineering, Concordia University, Montreal, QC H3G 1M8, Canada;
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4
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Mills R, Tvrdik C, Lin A, Bhattacharyya D. Enhanced Degradation of Methyl Orange and Trichloroethylene with PNIPAm-PMMA-Fe/Pd-Functionalized Hollow Fiber Membranes. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2041. [PMID: 37513052 PMCID: PMC10386459 DOI: 10.3390/nano13142041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/05/2023] [Accepted: 07/07/2023] [Indexed: 07/30/2023]
Abstract
Trichloroethylene (TCE) is a prominent groundwater pollutant due to its stability, widespread contamination, and negative health effects upon human exposure; thus, an immense need exists for enhanced environmental remediation techniques. Temperature-responsive domains and catalyst incorporation in membrane domains bring significant advantages for toxic organic decontamination. In this study, hollow fiber membranes (HFMs) were functionalized with stimuli-responsive poly-N-isopropylacrylamide (PNIPAm), poly-methyl methacrylate (PMMA), and catalytic zero-valent iron/palladium (Fe/Pd) for heightened reductive degradation of such pollutants, utilizing methyl orange (MO) as a model compound. By utilizing PNIPAm's transition from hydrophilic to hydrophobic expression above the LCST of 32 °C, increased pollutant diffusion and adsorption to the catalyst active sites were achieved. PNIPAm-PMMA hydrogels exhibited 11.5× and 10.8× higher equilibrium adsorption values for MO and TCE, respectively, when transitioning from 23 °C to 40 °C. With dip-coated PNIPAm-PMMA-functionalized HFMs (weight gain: ~15%) containing Fe/Pd nanoparticles (dp~34.8 nm), surface area-normalized rate constants for batch degradation were determined, resulting in a 30% and 420% increase in degradation efficiency above 32 °C for MO and TCE, respectively, due to enhanced sorption on the hydrophobic PNIPAm domain. Overall, with functionalized membranes containing superior surface area-to-volume ratios and enhanced sorption sites, efficient treatment of high-volume contaminated water can be achieved.
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Affiliation(s)
- Rollie Mills
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40508, USA
| | - Cameron Tvrdik
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40508, USA
| | - Andrew Lin
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40508, USA
| | - Dibakar Bhattacharyya
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40508, USA
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5
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Advanced Polymeric Nanocomposite Membranes for Water and Wastewater Treatment: A Comprehensive Review. Polymers (Basel) 2023; 15:polym15030540. [PMID: 36771842 PMCID: PMC9920371 DOI: 10.3390/polym15030540] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 01/24/2023] Open
Abstract
Nanomaterials have been extensively used in polymer nanocomposite membranes due to the inclusion of unique features that enhance water and wastewater treatment performance. Compared to the pristine membranes, the incorporation of nanomodifiers not only improves membrane performance (water permeability, salt rejection, contaminant removal, selectivity), but also the intrinsic properties (hydrophilicity, porosity, antifouling properties, antimicrobial properties, mechanical, thermal, and chemical stability) of these membranes. This review focuses on applications of different types of nanomaterials: zero-dimensional (metal/metal oxide nanoparticles), one-dimensional (carbon nanotubes), two-dimensional (graphene and associated structures), and three-dimensional (zeolites and associated frameworks) nanomaterials combined with polymers towards novel polymeric nanocomposites for water and wastewater treatment applications. This review will show that combinations of nanomaterials and polymers impart enhanced features into the pristine membrane; however, the underlying issues associated with the modification processes and environmental impact of these membranes are less obvious. This review also highlights the utility of computational methods toward understanding the structural and functional properties of the membranes. Here, we highlight the fabrication methods, advantages, challenges, environmental impact, and future scope of these advanced polymeric nanocomposite membrane based systems for water and wastewater treatment applications.
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Ye Y, Han Q, Zhao C, Ke W, Qiu M, Chen X, Fan Y. Improved negative charge of tight ceramic ultrafiltration membranes for protein-resistant and easy-cleaning performance. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2022.123082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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7
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Markuniene I, Rabiei M, Nasiri S, Urbaite S, Palevicius A, Janusas G. Biocompatible Piezoelectric PVDF/HA/AgNO 3 Thin Film Prepared by the Solvent Casting Method. SENSORS (BASEL, SWITZERLAND) 2022; 23:289. [PMID: 36616887 PMCID: PMC9823978 DOI: 10.3390/s23010289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/22/2022] [Accepted: 12/26/2022] [Indexed: 06/17/2023]
Abstract
In this study, new composites based on polyvinylidene fluoride (PVDF) were ornamented and prepared with hydroxyapatite (HA) and silver nitride (AgNO3). Taking into account the polarity of the solvent dimethyl sulfoxide, this solvent was used to disperse the particles. The aim of using DMSO was to create amorphous phases and the strong dipoles of the C-F bond to reduce the energy barrier and improve the electrical properties. The PVDF played the role of matrix in HA, and AgNO3 was used as reinforcing elements. X-ray diffraction of the samples directly showed the amorphous phase and mixed amorphous and crystalline phases when all three materials were used simultaneously for preparing the composite. The scanning electron microscopy (SEM) images of the samples confirmed the role of PVDF, HA, and AgNO3. Furthermore, the energy dispersive X-ray (EDX) analysis was performed and proved that the HA structure did not change when the ratio of CaP was equal to the ratio of natural HA. The electrical properties were investigated, and the amount of energy ranged from 56.50 to 125.20 mV. The final results showed that a designed device consisting of an active layer made of 0.1 g HA:0.5 g PVDF showed the highest energy barrier, the highest polarity, and surface energy, thus proving its relevance as potential material for energy harvesting applications.
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8
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Cosme JRA, Castro‐Muñoz R, Vatanpour V. Recent Advances in Nanocomposite Membranes for Organic Compound Remediation from Potable Waters. CHEMBIOENG REVIEWS 2022. [DOI: 10.1002/cben.202200017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Jose R. Aguilar Cosme
- University of Maryland Baltimore Department of Surgery 670 W Baltimore St 21201 Baltimore USA
| | - Roberto Castro‐Muñoz
- Gdansk University of Technology Faculty of Civil and Environmental Engineering, Department of Sanitary Engineering 11/12 Narutowicza St. 80-233 Gdansk Poland
- Tecnologico de Monterrey, Campus Toluca Av. Eduardo Monroy Cárdenas 2000, San Antonio Buenavista 50110 Toluca de Lerdo Mexico
| | - Vahid Vatanpour
- Kharazmi University Department of Applied Chemistry, Faculty of Chemistry 15719-14911 Tehran Iran
- Istanbul Technical University, Maslak National Research Center on Membrane Technologies 34469 Istanbul Turkey
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9
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Krishnan SAG, Sasikumar B, Arthanareeswaran G, László Z, Nascimben Santos E, Veréb G, Kertész S. Surface-initiated polymerization of PVDF membrane using amine and bismuth tungstate (BWO) modified MIL-100(Fe) nanofillers for pesticide photodegradation. CHEMOSPHERE 2022; 304:135286. [PMID: 35690168 DOI: 10.1016/j.chemosphere.2022.135286] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 05/18/2022] [Accepted: 06/06/2022] [Indexed: 06/15/2023]
Abstract
Pirimicarb as a pesticide is used to control the aphids in the agriculture field; however, it affects the groundwater ecosystem by leaching through the soil profile. The post-synthetic amine and BWO modified MIL-100 (Fe) nanofillers were synthesized. The photocatalytic property of amine-functionalized and BWO@MIL-100(Fe) nanofillers was confirmed by the lesser bandgap energy than the unmodified MIL-100 (Fe) nanofiller. Herein, we constructed a nanofillers grafted PVDF membrane via in-situ polymerization technique for the pirimicarb reduction and photodegradation. Furthermore, the nanofiller's grafted membranes were characterized by FESEM, XRD, FTIR, and contact angle analysis. The carboxylic acid peak was observed on the FTIR which demonstrated the PAA grafted on the membrane surface and similar crystalline peaks evident that the nanofillers were grafted on the membrane surface. Furthermore, surface morphology studies have exhibited the dispersion of nanofillers and enhanced microvoids in the cross-section of the membrane. The decrease in the water contact angle of the membrane depicted the improved antifouling properties and surface energy. The nanofiller's grafted membranes have shown higher hydrophilicity correlated well with the enhanced pure water flux in the order M4 > M5 > M2 > M3 > M6 > M7 compared to the neat membrane (M1). In BWO@MIL-100(Fe) membrane has shown a higher permeate flux (25.99 L m-2.h-1) than the neat PVDF membrane. The BWO@MIL-100(Fe) grafted PVDF membrane has also shown excellent pirimicarb photodegradation of 81% at pH 5. The proposed MIL-100 (Fe) and bismuth tungsten nanocomposite will pave the way for the different MOF-based photocatalytic materials for membrane-based pesticide degradation.
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Affiliation(s)
- S A Gokula Krishnan
- Membrane Research Laboratory, Department of Chemical Engineering, National Institute of Technology Tiruchirappalli, Tamilnadu, 620015, India
| | - B Sasikumar
- Membrane Research Laboratory, Department of Chemical Engineering, National Institute of Technology Tiruchirappalli, Tamilnadu, 620015, India
| | - G Arthanareeswaran
- Membrane Research Laboratory, Department of Chemical Engineering, National Institute of Technology Tiruchirappalli, Tamilnadu, 620015, India.
| | - Zsuzsanna László
- Department of Biosystems Engineering, Faculty of Engineering, University of Szeged, Szeged, Hungary
| | - Erika Nascimben Santos
- Department of Biosystems Engineering, Faculty of Engineering, University of Szeged, Szeged, Hungary
| | - Gábor Veréb
- Department of Biosystems Engineering, Faculty of Engineering, University of Szeged, Szeged, Hungary
| | - Szabolcs Kertész
- Department of Biosystems Engineering, Faculty of Engineering, University of Szeged, Szeged, Hungary
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10
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Damavandi F, Aroujalian A, Salimi P. TiO2 nanoparticle stability via polyacrylic acid-binding on the surface of polyethersulfone membrane: Long-term evaluation. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.10.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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11
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Zhu C, Zhang X, Li F, Zhao X. Effects of polyvinylidene fluoride substrate characteristics on the selectivity of thin‐film composite nanofiltration membrane. J Appl Polym Sci 2022. [DOI: 10.1002/app.52633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Chenyu Zhu
- Lab of Environmental Science & Technology, INET Tsinghua University Beijing People's Republic of China
| | - Xue Zhang
- Lab of Environmental Science & Technology, INET Tsinghua University Beijing People's Republic of China
| | - Fuzhi Li
- Lab of Environmental Science & Technology, INET Tsinghua University Beijing People's Republic of China
| | - Xuan Zhao
- Lab of Environmental Science & Technology, INET Tsinghua University Beijing People's Republic of China
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12
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Tang Y, Cao L, Xu L, Wang Z, Shi Q, Zhang Y, Yu L. Dependable Performance of Thin Film Composite Nanofiltration Membrane Tailored by Capsaicin-Derived Self-Polymer. Polymers (Basel) 2022; 14:polym14091671. [PMID: 35566841 PMCID: PMC9103837 DOI: 10.3390/polym14091671] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/13/2022] [Accepted: 04/15/2022] [Indexed: 12/03/2022] Open
Abstract
To address trade-off and membrane-fouling challenges during the development of nanofiltration membranes, a thin-film composite membrane was prepared on the basis of interfacial polymerization regulated by adjusting the capsaicin-derived self-polymer poly N-(2-hydroxy-5-(methylthio) benzyl) acrylamide (PHMTBA) on the polysulfone substrate in this study. Through the self-polymerization of the monomer HMTBA with varied contents, microwave-assisted technology was employed to develop a variety of PHMTBAs. It was discovered that PHMTBA is involved in the interfacial polymerization process. Piperazine and PHMTBA competed for the reaction with trimesoyl chloride, resulting in a flatter and looser membrane surface. The PHMTBA-modified membrane presented a typical double-layer structure: a thicker support layer and a thinner active layer. The addition of PHMTBA to membranes improved their hydrophilicity and negative charge density. As a result, the PHMTBA-modified membrane showed dependable separation performance (water flux of 159.5 L m−2 h−1 and rejection of 99.02% for Na2SO4) as well as enhanced anti-fouling properties (flux recovery ratio of more than 100% with bovine serum albumin-fouling and antibacterial efficiency of 93.7% against Escherichia coli). The performance of the prepared membranes was superior to that of most other modified TFC NF membranes previously reported in the literature. This work presents the application potential of capsaicin derivatives in water treatment and desalination processes.
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Affiliation(s)
- Yuanyuan Tang
- Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Ocean Environmental Monitoring Technology, National Engineering and Technological Research Center of Marine Monitoring Equipment, Qingdao 266100, China; (Y.T.); (L.C.); (Z.W.); (Q.S.)
| | - Lu Cao
- Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Ocean Environmental Monitoring Technology, National Engineering and Technological Research Center of Marine Monitoring Equipment, Qingdao 266100, China; (Y.T.); (L.C.); (Z.W.); (Q.S.)
| | - Li Xu
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China;
- Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology, Qingdao 266100, China
| | - Zhaoyu Wang
- Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Ocean Environmental Monitoring Technology, National Engineering and Technological Research Center of Marine Monitoring Equipment, Qingdao 266100, China; (Y.T.); (L.C.); (Z.W.); (Q.S.)
| | - Qian Shi
- Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Ocean Environmental Monitoring Technology, National Engineering and Technological Research Center of Marine Monitoring Equipment, Qingdao 266100, China; (Y.T.); (L.C.); (Z.W.); (Q.S.)
| | - Yingying Zhang
- Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Ocean Environmental Monitoring Technology, National Engineering and Technological Research Center of Marine Monitoring Equipment, Qingdao 266100, China; (Y.T.); (L.C.); (Z.W.); (Q.S.)
- Correspondence: (Y.Z.); (L.Y.)
| | - Liangmin Yu
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China;
- Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology, Qingdao 266100, China
- Correspondence: (Y.Z.); (L.Y.)
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13
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Ma Y, Chen X, Wang S, Dong H, Zhai X, Shi X, Wang J, Ma R, Zhang W. Significantly enhanced antifouling and separation capabilities of PVDF membrane by synergy of semi-interpenetrating polymer and TiO2 gel nanoparticles. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2021.11.038] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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14
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Krishnan SAG, Abinaya S, Arthanareeswaran G, Govindaraju S, Yun K. Surface-constructing of visible-light Bi 2WO 6/CeO 2 nanophotocatalyst grafted PVDF membrane for degradation of tetracycline and humic acid. JOURNAL OF HAZARDOUS MATERIALS 2022; 421:126747. [PMID: 34364210 DOI: 10.1016/j.jhazmat.2021.126747] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/13/2021] [Accepted: 07/24/2021] [Indexed: 06/13/2023]
Abstract
The synthesis of Bi2WO6 and CeO2 photocatalytic nanomaterials exhibit a great ability to photodegrade the antibiotics and shown excellent oxidation of various organic pollutants. Heterostructure 1:1 & 2:1 Bi2WO6/CeO2 nanocomposite was successfully synthesized via the facile sono-dispersion method and exquisite photocatalytic activity. The 0.5 wt% of nanocomposites were well-grafted on PVDF membrane surface via an in-situ polymerization method using polyacrylic acid. The fourier transform infrared (FTIR) spectra demonstrated that the network formation in PVDF induced by the -COOH functional group in acrylic acid. The grafted membrane morphology and strong binding ability over the membranes were validated by scanning electron microscope with energy dispersion (SEM-EDS) and X-ray photoelectron spectroscopy (XPS), respectively. The permeate flux of 49.2 L.m-2 h-1 and 41.65 L.m-2 h were observed for tetracycline and the humic acid solution respectively for 1 wt% of PVP and 0.5 wt% of photocatalytic nanomaterials in PVDF membrane. The tetracycline and humic acid photodegradation rate of 82% and 78% and total resistance of 1.43 × 1010 m-1 and 1.64 × 1010 m-1, 83.5% and 77% flux recovery ratio were observed with N5 membrane. The 2:1 Bi2WO6/CeO2 nanocomposite grafted membrane showed a high permeate flux and better photodegradation ability of organic pollutants in the wastewater.
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Affiliation(s)
- S A Gokula Krishnan
- Membrane Research Laboratory, Department of Chemical Engineering, National Institute of Technology, Tiruchirappalli, India 620015
| | - S Abinaya
- Membrane Research Laboratory, Department of Chemical Engineering, National Institute of Technology, Tiruchirappalli, India 620015
| | - G Arthanareeswaran
- Membrane Research Laboratory, Department of Chemical Engineering, National Institute of Technology, Tiruchirappalli, India 620015.
| | | | - Kyusik Yun
- Department of BioNano Technology, Gachon University, Seongnam-si, South Korea
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15
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ZnO@PMMA incorporated PSf substrate for improving thin-film composite membrane performance in forward osmosis process. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2021.11.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Khraisheh M, Elhenawy S, AlMomani F, Al-Ghouti M, Hassan MK, Hameed BH. Recent Progress on Nanomaterial-Based Membranes for Water Treatment. MEMBRANES 2021; 11:995. [PMID: 34940495 PMCID: PMC8709222 DOI: 10.3390/membranes11120995] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 12/08/2021] [Accepted: 12/15/2021] [Indexed: 11/16/2022]
Abstract
Nanomaterials have emerged as the new future generation materials for high-performance water treatment membranes with potential for solving the worldwide water pollution issue. The incorporation of nanomaterials in membranes increases water permeability, mechanical strength, separation efficiency, and reduces fouling of the membrane. Thus, the nanomaterials pave a new pathway for ultra-fast and extremely selective water purification membranes. Membrane enhancements after the inclusion of many nanomaterials, including nanoparticles (NPs), two-dimensional (2-D) layer materials, nanofibers, nanosheets, and other nanocomposite structural materials, are discussed in this review. Furthermore, the applications of these membranes with nanomaterials in water treatment applications, that are vast in number, are highlighted. The goal is to demonstrate the significance of nanomaterials in the membrane industry for water treatment applications. It was found that nanomaterials and nanotechnology offer great potential for the advancement of sustainable water and wastewater treatment.
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Affiliation(s)
- Majeda Khraisheh
- Department of Chemical Engineering, College of Engineering, Qatar University, Doha 2713, Qatar; (S.E.); (F.A.); (B.H.H.)
| | - Salma Elhenawy
- Department of Chemical Engineering, College of Engineering, Qatar University, Doha 2713, Qatar; (S.E.); (F.A.); (B.H.H.)
| | - Fares AlMomani
- Department of Chemical Engineering, College of Engineering, Qatar University, Doha 2713, Qatar; (S.E.); (F.A.); (B.H.H.)
| | - Mohammad Al-Ghouti
- Environmental Sciences Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha 2713, Qatar;
| | | | - Bassim H. Hameed
- Department of Chemical Engineering, College of Engineering, Qatar University, Doha 2713, Qatar; (S.E.); (F.A.); (B.H.H.)
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17
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Huang Z, Zeng Q, Liu Y, Xu Y, Li R, Hong H, Shen L, Lin H. Facile synthesis of 2D TiO2@MXene composite membrane with enhanced separation and antifouling performance. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119854] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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18
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Gokulakrishnan SA, Arthanareeswaran G, László Z, Veréb G, Kertész S, Kweon J. Recent development of photocatalytic nanomaterials in mixed matrix membrane for emerging pollutants and fouling control, membrane cleaning process. CHEMOSPHERE 2021; 281:130891. [PMID: 34049085 DOI: 10.1016/j.chemosphere.2021.130891] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 04/23/2021] [Accepted: 05/10/2021] [Indexed: 06/12/2023]
Abstract
Membrane-based separation is an area of extensive research in wastewater treatment, which includes the control of pollution and reuse of water. The fabrication and modification membranes for prevention and reduction of pollution to provide quality water with fouling-free membranes through the wastewater treatment are the progressive approaches in the industries. Several research works have been extensively working on modification and fabrication polymer membranes with integration of advanced oxidation process (AOP) to overcome the membrane fouling. This review describes the modification of membranes with various nanomaterials such as inorganic and modified carbon which can be used for pollution control and enhance the anti-fouling properties of ultrafiltration membranes. The effects on nanomaterials loading percentage, nanomaterials interaction with the polymers and rejection performances of the surface tuned membrane are elaborated. Secondly, the fouled membrane chemical cleaning process and NaOCl adverse effect on polymer structure are critically investigated. Moreover, state-of-art in the photocatalytic self-cleaning process are reviewed in this manuscript, and future perspectives on fouling mitigation based on AOP integrated membrane technology have also discussed.
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Affiliation(s)
- S A Gokulakrishnan
- Membrane Research Laboratory, Department of Chemical Engineering, National Institute of Technology, Tiruchirappalli, 620015, Tamil Nadu, India
| | - G Arthanareeswaran
- Membrane Research Laboratory, Department of Chemical Engineering, National Institute of Technology, Tiruchirappalli, 620015, Tamil Nadu, India.
| | - Zsuzsanna László
- Department of Biosystem Engineering, Faculty of Engineering, University of Szeged, Szeged, Hungary
| | - Gábor Veréb
- Department of Biosystem Engineering, Faculty of Engineering, University of Szeged, Szeged, Hungary
| | - Szabolcs Kertész
- Department of Biosystem Engineering, Faculty of Engineering, University of Szeged, Szeged, Hungary
| | - Jihyang Kweon
- Water Treatment and Membrane Laboratory, Department of Environmental Engineering, Konkuk University, Seoul, 05029, Republic of Korea
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19
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Fabrication and Characterization of Sulfonated Graphene Oxide (SGO) Doped PVDF Nanocomposite Membranes with Improved Anti-Biofouling Performance. MEMBRANES 2021; 11:membranes11100749. [PMID: 34677515 PMCID: PMC8540047 DOI: 10.3390/membranes11100749] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/25/2021] [Accepted: 09/25/2021] [Indexed: 11/24/2022]
Abstract
Emergence of membrane technology for effective performance is qualified due to its low energy consumption, no use of chemicals, high removal capacity and easy accessibility of membrane material. The hydrophobic nature of polymeric membranes limits their applications due to biofouling (assemblage of microorganisms on surface of membrane). Polymeric nanocomposite membranes emerge to alleviate this issue. The current research work was concerned with the fabrication of sulfonated graphene oxide doped polyvinylidene fluoride (PVDF) membrane and investigation of its anti-biofouling and anti-bacterial behavior. The membrane was fabricated through phase inversion method, and its structure and morphology were characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), X-rays diffraction (XRD) and thermo gravimetric analysis (TGA) techniques. Performance of the membrane was evaluated via pure water flux; anti-biofouling behavior was determined through Bovine Serum albumin (BSA) rejection. Our results revealed that the highest water flux was shown by M7 membrane about 308.7 Lm−2h−1/bar having (0.5%) concentration of SGO with improved BSA rejection. Furthermore, these fabricated membranes showed high antibacterial activity, more hydrophilicity and mechanical strength as compared to pristine PVDF membranes. It was concluded that SGO addition within PVDF polymer matrix enhanced the properties and performance of membranes. Therefore, SGO was found to be a promising material for the fabrication of nanocomposite membranes.
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20
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Bandehali S, Parvizian F, Ruan H, Moghadassi A, Shen J, Figoli A, Adeleye AS, Hilal N, Matsuura T, Drioli E, Hosseini SM. A planned review on designing of high-performance nanocomposite nanofiltration membranes for pollutants removal from water. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.06.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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21
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Wanke D, da Silva A, Costa C. Modification of PVDF hydrophobic microfiltration membrane with a layer of electrospun fibers of PVP-co-PMMA: Increased fouling resistance. Chem Eng Res Des 2021. [DOI: 10.1016/j.cherd.2021.05.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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22
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Kotobuki M, Gu Q, Zhang L, Wang J. Ceramic-Polymer Composite Membranes for Water and Wastewater Treatment: Bridging the Big Gap between Ceramics and Polymers. Molecules 2021; 26:3331. [PMID: 34206052 PMCID: PMC8198361 DOI: 10.3390/molecules26113331] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/25/2021] [Accepted: 05/30/2021] [Indexed: 11/25/2022] Open
Abstract
Clean water supply is an essential element for the entire sustainable human society, and the economic and technology development. Membrane filtration for water and wastewater treatments is the premier choice due to its high energy efficiency and effectiveness, where the separation is performed by passing water molecules through purposely tuned pores of membranes selectively without phase change and additional chemicals. Ceramics and polymers are two main candidate materials for membranes, where the majority has been made of polymeric materials, due to the low cost, easy processing, and tunability in pore configurations. In contrast, ceramic membranes have much better performance, extra-long service life, mechanical robustness, and high thermal and chemical stabilities, and they have also been applied in gas, petrochemical, food-beverage, and pharmaceutical industries, where most of polymeric membranes cannot perform properly. However, one of the main drawbacks of ceramic membranes is the high manufacturing cost, which is about three to five times higher than that of common polymeric types. To fill the large gap between the competing ceramic and polymeric membranes, one apparent solution is to develop a ceramic-polymer composite type. Indeed, the properly engineered ceramic-polymer composite membranes are able to integrate the advantages of both ceramic and polymeric materials together, providing improvement in membrane performance for efficient separation, raised life span and additional functionalities. In this overview, we first thoroughly examine three types of ceramic-polymer composite membranes, (i) ceramics in polymer membranes (nanocomposite membranes), (ii) thin film nanocomposite (TFN) membranes, and (iii) ceramic-supported polymer membranes. In the past decade, great progress has been made in improving the compatibility between ceramics and polymers, while the synergy between them has been among the main pursuits, especially in the development of the high performing nanocomposite membranes for water and wastewater treatment at lowered manufacturing cost. By looking into strategies to improve the compatibility among ceramic and polymeric components, we will conclude with briefing on the perspectives and challenges for the future development of the composite membranes.
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Affiliation(s)
| | | | | | - John Wang
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore; (M.K.); (Q.G.); (L.Z.)
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23
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Spoială A, Ilie CI, Ficai D, Ficai A, Andronescu E. Chitosan-Based Nanocomposite Polymeric Membranes for Water Purification-A Review. MATERIALS (BASEL, SWITZERLAND) 2021; 14:2091. [PMID: 33919022 PMCID: PMC8122305 DOI: 10.3390/ma14092091] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/16/2021] [Accepted: 04/16/2021] [Indexed: 01/11/2023]
Abstract
During the past few years, researchers have focused their attention on developing innovative nanocomposite polymeric membranes with applications in water purification. Natural and synthetic polymers were considered, and it was proven that chitosan-based materials presented important features. This review presents an overview regarding diverse materials used in developing innovative chitosan-based nanocomposite polymeric membranes for water purification. The first part of the review presents a detailed introduction about chitosan, highlighting the fact that is a biocompatible, biodegradable, low-cost, nontoxic biopolymer, having unique structure and interesting properties, and also antibacterial and antioxidant activities, reasons for using it in water treatment applications. To use chitosan-based materials for developing nanocomposite polymeric membranes for wastewater purification applications must enhance their performance by using different materials. In the second part of the review, the performance's features will be presented as a consequence of adding different nanoparticles, also showing the effect that those nanoparticles could bring on other polymeric membranes. Among these features, pollutant's retention and enhancing thermo-mechanical properties will be mentioned. The focus of the third section of the review will illustrate chitosan-based nanocomposite as polymeric membranes for water purification. Over the last few years, researchers have demonstrated that adsorbent nanocomposite polymeric membranes are powerful, important, and potential instruments in separation or removal of pollutants, such as heavy metals, dyes, and other toxic compounds presented in water systems. Lastly, we conclude this review with a summary of the most important applications of chitosan-based nanocomposite polymeric membranes and their perspectives in water purification.
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Affiliation(s)
- Angela Spoială
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh Polizu Street, 011061 Bucharest, Romania; (A.S.); (C.-I.I.); (E.A.)
| | - Cornelia-Ioana Ilie
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh Polizu Street, 011061 Bucharest, Romania; (A.S.); (C.-I.I.); (E.A.)
| | - Denisa Ficai
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh Polizu Street, 050054 Bucharest, Romania;
- National Centre for Micro and Nanomaterials and National Centre for Food Safety, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania
| | - Anton Ficai
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh Polizu Street, 011061 Bucharest, Romania; (A.S.); (C.-I.I.); (E.A.)
- National Centre for Micro and Nanomaterials and National Centre for Food Safety, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania
- Academy of Romanian Scientists, 3 Ilfov Street, 050045 Bucharest, Romania
| | - Ecaterina Andronescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh Polizu Street, 011061 Bucharest, Romania; (A.S.); (C.-I.I.); (E.A.)
- National Centre for Micro and Nanomaterials and National Centre for Food Safety, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania
- Academy of Romanian Scientists, 3 Ilfov Street, 050045 Bucharest, Romania
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24
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Sakarkar S, Muthukumaran S, Jegatheesan V. Tailoring the Effects of Titanium Dioxide (TiO 2) and Polyvinyl Alcohol (PVA) in the Separation and Antifouling Performance of Thin-Film Composite Polyvinylidene Fluoride (PVDF) Membrane. MEMBRANES 2021; 11:membranes11040241. [PMID: 33800615 PMCID: PMC8066828 DOI: 10.3390/membranes11040241] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/21/2021] [Accepted: 03/24/2021] [Indexed: 11/16/2022]
Abstract
In this study, thin-film composite (TFC) polyvinylidene fluoride (PVDF) membranes were synthesized by coating with titanium dioxide (TiO2)/polyvinyl alcohol (PVA) solution by a dip coating method and cross-linked with glutaraldehyde. Glutaraldehyde (GA) acted as a cross-linking agent to improve the thermal and chemical stability of the thin film coating. The incorporation of TiO2 in the film enhanced the hydrophilicity of the membrane and the rejection of dyes during filtration. The layer of TiO2 nanoparticles on the PVDF membranes have mitigated the fouling effects compared to the plain PVDF membrane. The photocatalytic performance was studied at different TiO2 loading for the photodegradation of dyes (reactive blue (RB) and methyl orange (MO)). The results indicated that the thin film coating of TiO2/PVA enhanced photocatalytic performance and showed good reusability under UV irradiation. This study showed that nearly 78% MO and 47% RB were removed using the TFC membrane. This work provides a new vision in the fabrication of TFC polymeric membranes as an efficient wastewater treatment tool.
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Affiliation(s)
- Shruti Sakarkar
- School of Engineering, RMIT University, Melbourne, VIC 3000, Australia;
- Correspondence: ; Tel.: +61-404-041-643
| | - Shobha Muthukumaran
- College of Engineering and Science, Victoria University, Melbourne, VIC 8001, Australia;
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25
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Taghizadeh M, Taghizadeh A, Vatanpour V, Ganjali MR, Saeb MR. Deep eutectic solvents in membrane science and technology: Fundamental, preparation, application, and future perspective. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.118015] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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26
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Agboola O, Fayomi OSI, Ayodeji A, Ayeni AO, Alagbe EE, Sanni SE, Okoro EE, Moropeng L, Sadiku R, Kupolati KW, Oni BA. A Review on Polymer Nanocomposites and Their Effective Applications in Membranes and Adsorbents for Water Treatment and Gas Separation. MEMBRANES 2021; 11:139. [PMID: 33669424 PMCID: PMC7920412 DOI: 10.3390/membranes11020139] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/22/2020] [Accepted: 01/04/2021] [Indexed: 11/16/2022]
Abstract
Globally, environmental challenges have been recognised as a matter of concern. Among these challenges are the reduced availability and quality of drinking water, and greenhouse gases that give rise to change in climate by entrapping heat, which result in respirational illness from smog and air pollution. Globally, the rate of demand for the use of freshwater has outgrown the rate of population increase; as the rapid growth in town and cities place a huge pressure on neighbouring water resources. Besides, the rapid growth in anthropogenic activities, such as the generation of energy and its conveyance, release carbon dioxide and other greenhouse gases, warming the planet. Polymer nanocomposite has played a significant role in finding solutions to current environmental problems. It has found interest due to its high potential for the reduction of gas emission, and elimination of pollutants, heavy metals, dyes, and oil in wastewater. The revolution of integrating developed novel nanomaterials such as nanoparticles, carbon nanotubes, nanofibers and activated carbon, in polymers, have instigated revitalizing and favourable inventive nanotechnologies for the treatment of wastewater and gas separation. This review discusses the effective employment of polymer nanocomposites for environmental utilizations. Polymer nanocomposite membranes for wastewater treatment and gas separation were reviewed together with their mechanisms. The use of polymer nanocomposites as an adsorbent for toxic metals ions removal and an adsorbent for dye removal were also discussed, together with the mechanism of the adsorption process. Patents in the utilization of innovative polymeric nanocomposite membranes for environmental utilizations were discussed.
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Affiliation(s)
- Oluranti Agboola
- Department of Chemical Engineering, Covenant University, Ota PMB 1023, Nigeria; (A.A.); (A.O.A.); (E.E.A.); (S.E.S.)
| | | | - Ayoola Ayodeji
- Department of Chemical Engineering, Covenant University, Ota PMB 1023, Nigeria; (A.A.); (A.O.A.); (E.E.A.); (S.E.S.)
| | - Augustine Omoniyi Ayeni
- Department of Chemical Engineering, Covenant University, Ota PMB 1023, Nigeria; (A.A.); (A.O.A.); (E.E.A.); (S.E.S.)
| | - Edith E. Alagbe
- Department of Chemical Engineering, Covenant University, Ota PMB 1023, Nigeria; (A.A.); (A.O.A.); (E.E.A.); (S.E.S.)
| | - Samuel E. Sanni
- Department of Chemical Engineering, Covenant University, Ota PMB 1023, Nigeria; (A.A.); (A.O.A.); (E.E.A.); (S.E.S.)
| | - Emmanuel E. Okoro
- Department of Petroleum Engineering, Covenant University, Ota PMB 1023, Nigeria;
| | - Lucey Moropeng
- Department of Chemical, Metallurgical and Materials Engineering, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa; (L.M.); (R.S.)
| | - Rotimi Sadiku
- Department of Chemical, Metallurgical and Materials Engineering, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa; (L.M.); (R.S.)
| | - Kehinde Williams Kupolati
- Department of Civil Engineering, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa;
| | - Babalola Aisosa Oni
- Department of Chemical Engineering and Technology, China University of Petroleum, Beijing 102249, China;
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27
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Polisetti V, Ray P. Nano
SiO
2
and
TiO
2
embedded polyacrylonitrile/polyvinylidene fluoride ultrafiltration membranes: Improvement in flux and antifouling properties. J Appl Polym Sci 2021. [DOI: 10.1002/app.49606] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Veerababu Polisetti
- Membrane Science and Separation Technology Division Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research Bhavnagar Gujarat India
| | - Paramita Ray
- Membrane Science and Separation Technology Division Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research Bhavnagar Gujarat India
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28
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Shi Y, Liu Y. Evolution of extracellular polymeric substances (EPS) in aerobic sludge granulation: Composition, adherence and viscoelastic properties. CHEMOSPHERE 2021; 262:128033. [PMID: 33182133 DOI: 10.1016/j.chemosphere.2020.128033] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 08/04/2020] [Accepted: 08/16/2020] [Indexed: 06/11/2023]
Abstract
Aerobic granular sludge (AGS) is a promising wastewater treatment innovation, but its instability hinders its broader applications. Understanding the granulation process is vital to address this issue. Extracellular polymeric substances (EPS) play an essential role in sludge granulation. However, one crucial aspect of EPS, the adhesive and viscoelastic properties, has been neglected in AGS studies. In this study, we set up two reactors fed with COD/N ratios of 100: 5 (R1) and 100: 10 (R2) for comparison, to investigate the adhesive and viscoelastic properties of sludge EPS during the sludge granulation. We found that R2 showed a more rapid sludge granulation with more stable granules formed, contained a higher abundance of amoA gene, and had a higher production of polysaccharides than R1. We also found a sharp decrease in polysaccharide production and β-sheets abundance accompanied by granule size decrease in R1 on Day 80, indicating their essential roles in sludge granulation and granule stability. QCM-D (quartz crystal microbalance with dissipation monitoring) results showed that EPS became less adhesive and inclined to form unstable layers on the mineral surfaces along with the sludge granulation process. In contrast, they showed the opposite behavior and became more adhesive on the PVDF sensors. Our results suggested that higher polysaccharides, a higher β-sheets band in proteins, and lower mineral surface-adhesive and viscoelastic properties benefited the aerobic sludge granulation process and the granule maintenance.
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Affiliation(s)
- Yijing Shi
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China; School of Environment, South China Normal University, University Town, Guangzhou, 510006, China; Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta, T6G 2W2, Canada
| | - Yang Liu
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta, T6G 2W2, Canada.
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29
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Wang XL, Qin W, Wang LX, Zhao KY, Wang HC, Liu HY, Wei JF. Desalination of dye utilizing carboxylated TiO2/calcium alginate hydrogel nanofiltration membrane with high salt permeation. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.117475] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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30
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Engineered Zero-Dimensional Fullerene/Carbon Dots-Polymer Based Nanocomposite Membranes for Wastewater Treatment. Molecules 2020; 25:molecules25214934. [PMID: 33114470 PMCID: PMC7663180 DOI: 10.3390/molecules25214934] [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: 02/21/2020] [Revised: 04/10/2020] [Accepted: 04/13/2020] [Indexed: 11/26/2022] Open
Abstract
With the rapid growth of industrialization, diverse pollutants produced as by-products are emitted to the air-water ecosystem, and toxic contamination of water is one of the most hazardous environmental issues. Various forms of carbon have been used for adsorption, electrochemical, and ion-exchange membrane filtration to separation processes for water treatment. The utilization of carbon materials has gained tremendous attention as they have exceptional properties such as chemical, mechanical, thermal, antibacterial activities, along with reinforcement capability and high thermal stability, that helps to maintain the ecological balance. Recently, engineered nano-carbon incorporated with polymer as a composite membrane has been spotlighted as a new and effective mode for water treatment. In particular, the properties of zero-dimensional (0D) carbon forms (fullerenes and carbon dots) have encouraged researchers to explore them in the field of wastewater treatment through membrane technologies as they are biocompatible, which is the ultimate requirement to ensure the safety of drinking water. Thus, the purpose of this review is to highlight and summarize current advances in the field of water purification/treatment using 0D carbon-polymer-based nanocomposite membranes. Particular emphasis is placed on the development of 0D carbon forms embedded into a variety of polymer membranes and their influence on the improved performance of the resulting membranes. Current challenges and opportunities for future research are discussed.
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31
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An X, Zhang K, Wang Z, Ly QV, Hu Y, Liu C. Improving the water permeability and antifouling property of the nanofiltration membrane grafted with hyperbranched polyglycerol. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118417] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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32
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Ullah S, Ullah A, Lee J, Jeong Y, Hashmi M, Zhu C, Joo KI, Cha HJ, Kim IS. Reusability Comparison of Melt-Blown vs Nanofiber Face Mask Filters for Use in the Coronavirus Pandemic. ACS APPLIED NANO MATERIALS 2020; 3:7231-7241. [PMID: 37556250 PMCID: PMC7323055 DOI: 10.1021/acsanm.0c01562] [Citation(s) in RCA: 121] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 06/12/2020] [Indexed: 05/17/2023]
Abstract
Shortage of face masks is a current critical concern since the emergence of coronavirus-2 or SARS-CoV-2 (COVID-19). In this work, we compared the melt-blown (MB) filter, which is commonly used for the N95 face mask, with nanofiber (NF) filter, which is gradually used as an effective mask filter, to evaluate their reusability. Extensive characterizations were performed repeatedly to evaluate some performance parameters, which include filtration efficiency, airflow rate, and surface and morphological properties, after two types of cleaning treatments. In the first cleaning type, samples were dipped in 75% ethanol for a predetermined duration. In the second cleaning type, 75% ethanol was sprayed on samples. It was found that filtration efficiency of MB filter was significantly dropped after treatment with ethanol, while the NF filter exhibited consistent high filtration efficiency regardless of cleaning types. In addition, the NF filter showed better cytocompatibility than the MB filter, demonstrating its harmlessness on the human body. Regardless of ethanol treatments, surfaces of both filter types maintained hydrophobicity, which can sufficiently prevent wetting by moisture and saliva splash to prohibit not only pathogen transmission but also bacterial growth inside. On the basis of these comparative evaluations, the wider use of the NF filter for face mask applications is highly recommended, and it can be reused multiple times with robust filtration efficiency. It would be greatly helpful to solve the current shortage issue of face masks and significantly improve safety for front line fighters against coronavirus disease.
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Affiliation(s)
- Sana Ullah
- Nano Fusion Technology Research Group,
Institute for Frontier Fibers, Shinshu
University, Ueda Campus, Nagano 386-0017,
Japan
| | - Azeem Ullah
- Nano Fusion Technology Research Group,
Institute for Frontier Fibers, Shinshu
University, Ueda Campus, Nagano 386-0017,
Japan
| | - Jaeyun Lee
- Department of Chemical Engineering,
Pohang University of Science and
Technology, Pohang 37673,
Korea
| | - Yeonsu Jeong
- Department of Chemical Engineering,
Pohang University of Science and
Technology, Pohang 37673,
Korea
| | - Motahira Hashmi
- Nano Fusion Technology Research Group,
Institute for Frontier Fibers, Shinshu
University, Ueda Campus, Nagano 386-0017,
Japan
| | - Chunhong Zhu
- Faculty of Textile Science &
Technology, Shinshu University, Ueda
Campus, Nagano 386-0017, Japan
| | - Kye Il Joo
- Department of Chemical Engineering,
Pohang University of Science and
Technology, Pohang 37673,
Korea
| | - Hyung Joon Cha
- Department of Chemical Engineering,
Pohang University of Science and
Technology, Pohang 37673,
Korea
| | - Ick Soo Kim
- Nano Fusion Technology Research Group,
Institute for Frontier Fibers, Shinshu
University, Ueda Campus, Nagano 386-0017,
Japan
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Merino-Garcia I, Kotoka F, Portugal CA, Crespo JG, Velizarov S. Characterization of Poly(Acrylic) Acid-Modified Heterogenous Anion Exchange Membranes with Improved Monovalent Permselectivity for RED. MEMBRANES 2020; 10:membranes10060134. [PMID: 32604781 PMCID: PMC7345084 DOI: 10.3390/membranes10060134] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 06/23/2020] [Accepted: 06/24/2020] [Indexed: 12/03/2022]
Abstract
The performance of anion-exchange membranes (AEMs) in Reverse Electrodialysis is hampered by both presence of multivalent ions and fouling phenomena, thus leading to reduced net power density. Therefore, we propose a monolayer surface modification procedure to functionalize Ralex-AEMs with poly(acrylic) acid (PAA) in order to (i) render a monovalent permselectivity, and (ii) minimize organic fouling. Membrane surface modification was carried out by putting heterogeneous AEMs in contact with a PAA-based aqueous solution for 24 h. The resulting modified membranes were firstly characterized by contact angle, water uptake, ion exchange capacity, fixed charge density, and swelling degree measurements, whereas their electrochemical responses were evaluated through cyclic voltammetry. Besides, their membrane electro-resistance was also studied via electrochemical impedance spectroscopy analyses. Finally, membrane permselectivity and fouling behavior in the presence of humic acid were evaluated through mass transport experiments using model NaCl containing solutions. The use of modified PAA-AEMs resulted in a significantly enhanced monovalent permselectivity (sulfate rejection improved by >35%) and membrane hydrophilicity (contact angle decreased by >15%) in comparison with the behavior of unmodified Ralex-AEMs, without compromising the membrane electro-resistance after modification, thus demonstrating the technical feasibility of the proposed membrane modification procedure. This study may therefore provide a feasible way for achieving an improved Reverse Electrodialysis process efficiency.
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Sun T, Liu Y, Shen L, Xu Y, Li R, Huang L, Lin H. Magnetic field assisted arrangement of photocatalytic TiO2 particles on membrane surface to enhance membrane antifouling performance for water treatment. J Colloid Interface Sci 2020; 570:273-285. [DOI: 10.1016/j.jcis.2020.03.008] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 03/02/2020] [Accepted: 03/03/2020] [Indexed: 12/22/2022]
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Hosseini SM, Karami F, Farahani SK, Bandehali S, Shen J, Bagheripour E, Seidypoor A. Tailoring the separation performance and antifouling property of polyethersulfone based NF membrane by incorporating hydrophilic CuO nanoparticles. KOREAN J CHEM ENG 2020. [DOI: 10.1007/s11814-020-0497-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Al-Ani FH, Alsalhy QF, Raheem RS, Rashid KT, Figoli A. Experimental Investigation of the Effect of Implanting TiO 2-NPs on PVC for Long-Term UF Membrane Performance to Treat Refinery Wastewater. MEMBRANES 2020; 10:E77. [PMID: 32326206 PMCID: PMC7231373 DOI: 10.3390/membranes10040077] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/16/2020] [Accepted: 04/17/2020] [Indexed: 12/02/2022]
Abstract
This study investigated the impact of implanting TiO2-NPs within a membrane to minimize the influence of long-term operation on the membrane characteristics. Four poly vinyle chloride-titanium oxide (PVC-TiO2-NPs) membranes were prepared to create an ultrafiltration membrane (UF) that would effectively treat actual refinery wastewater. The hypothesis of this work was that TiO2-NPs would function as a hydrophilic modification of the PVC membrane and excellent self-cleaning material, which in turn would greatly extend the membrane's lifetime. The membranes were characterized via Fourier transforms infrared spectroscopy (FTIR), X-ray diffraction (XRD), energy dispersive X-ray (EDX), atomic force microscope (AFM), and scanning electron microscope (SEM). The removal efficiency of turbidity, total suspended solid (TSS), oil and grease, heavy metals and chemical oxygen demand (COD) were investigated. Contact angle (CA) reduced by 12.7% and 27.5% on the top and bottom surfaces, respectively. The PVC membrane with TiO2-NPs had larger mean pore size on its surface and more holes with larger size inside the membrane structure. The addition of TiO2-NPs could remarkably enhance the antifouling property of the PVC membrane. The pure water permeability (PWP) of the membrane was enhanced by 95.3% with an increase of TiO2 to 1.5 gm/100gm. The PWP after backwashing was reduced from 22.3% for PVC to 10.1% with 1.5 gm TiO2-NPs. The long-term performance was improved from five days for PVC to 23 d with an increase in TiO2-NPs to 1.5 gm. The improvements of PVC-TiO2-NPs long-term were related to the enhancement of the hydrophilic character of the membrane and increase tensile strength due to the reinforcement effect of TiO2-NPs. These results clearly identify the impact of the TiO2-NPs content on the long-term PVC/TiO2-NPs performance and confirm our hypothesis that it is possible to use TiO2-NPs to effectively enhance the lifetime of membranes during their long-term operation.
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Affiliation(s)
- Faris H. Al-Ani
- Civil Engineering Department, University of Technology, Alsinaa Street 52, Baghdad 10066, Iraq; (F.H.A.-A.); (R.S.R.)
| | - Qusay F. Alsalhy
- Membrane Technology Research Unit, Chemical Engineering Department, University of Technology, Alsinaa Street 52, Baghdad 10066, Iraq;
| | - Rawia Subhi Raheem
- Civil Engineering Department, University of Technology, Alsinaa Street 52, Baghdad 10066, Iraq; (F.H.A.-A.); (R.S.R.)
| | - Khalid T. Rashid
- Membrane Technology Research Unit, Chemical Engineering Department, University of Technology, Alsinaa Street 52, Baghdad 10066, Iraq;
| | - Alberto Figoli
- Institute on Membrane Technology, National Research Council (ITM-CNR), 87030 Rende (CS), Italy;
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Parvizian F, Ansari F, Bandehali S. Oleic acid-functionalized TiO2 nanoparticles for fabrication of PES-based nanofiltration membranes. Chem Eng Res Des 2020. [DOI: 10.1016/j.cherd.2020.02.019] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Amoli-Diva M, Irani E, Pourghazi K. Photocatalytic filtration reactors equipped with bi-plasmonic nanocomposite/poly acrylic acid-modified polyamide membranes for industrial wastewater treatment. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2019.116257] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Zhang C, Yin C, Wang Y, Zhou J, Wang Y. Simultaneous zwitterionization and selective swelling-induced pore generation of block copolymers for antifouling ultrafiltration membranes. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.117833] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Irani E, Amoli-Diva M. Hybrid adsorption–photocatalysis properties of quaternary magneto-plasmonic ZnO/MWCNTs nanocomposite for applying synergistic photocatalytic removal and membrane filtration in industrial wastewater treatment. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112359] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Current Advances in Biofouling Mitigation in Membranes for Water Treatment: An Overview. Processes (Basel) 2020. [DOI: 10.3390/pr8020182] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Membranes, as the primary tool in membrane separation techniques, tend to suffer external deposition of pollutants and microorganisms depending on the nature of the treating solutions. Such issues are well recognized as biofouling and is identified as the major drawback of pressure-driven membrane processes due to the influence of the separation performance of such membrane-based technologies. Herein, the aim of this review paper is to elucidate and discuss new insights on the ongoing development works at facing the biofouling phenomenon in membranes. This paper also provides an overview of the main strategies proposed by “membranologists” to improve the fouling resistance in membranes. Special attention has been paid to the fundamentals on membrane fouling as well as the relevant results in the framework of mitigating the issue. By analyzing the literature data and state-of-the-art, the concluding remarks and future trends in the field are given as well.
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Chauhan A, Sillu D, Agnihotri S. Removal of Pharmaceutical Contaminants in Wastewater Using Nanomaterials: A Comprehensive Review. Curr Drug Metab 2020; 20:483-505. [PMID: 30479212 DOI: 10.2174/1389200220666181127104812] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 10/08/2018] [Accepted: 10/11/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND The limitless presence of pharmaceutical contaminants in discharged wastewater has emerged as a threat to aquatic species and humans. Their presence in drinking water has although raised substantial concerns, very little is known about the fate and ecological impacts of these pollutants. As a result, these pollutants are inevitably introduced to our food chain at trace concentrations. Unfortunately, the conventional wastewater treatment techniques are unable to treat pharmaceuticals completely with practical limitations. The focus has now been shifted towards nanotechnology for the successful remediation of these persistent pollutants. Thus, the current review specifically focuses on providing readers brief yet sharp insights into applications of various nanomaterials for the removal of pharmaceutical contaminants. METHODS An exhaustive collection of bibliographic database was done with articles having high impact and citations in relevant research domains. An in-depth analysis of screened papers was done through standard tools. Studies were categorized according to the use of nanoscale materials as nano-adsorbents (graphene, carbon nanotubes), nanophotocatalysts (metal, metal oxide), nano-filtration, and ozonation for promising alternative technologies for the efficient removal of recalcitrant contaminants. RESULTS A total of 365 research articles were selected. The contemporary advancements in the field of nanomaterials for drinking and wastewater treatment have been thoroughly analyzed along with their future perspectives. CONCLUSION The recommendations provided in this article will be useful to adopt novel strategies for on-site removal of the emerging contaminants in pharmaceutical effluents and related industries.
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Affiliation(s)
- Anjali Chauhan
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala-147004, Punjab, India
| | - Devendra Sillu
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala-147004, Punjab, India
| | - Shekhar Agnihotri
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala-147004, Punjab, India.,TIFAC Centre of Relevance and Excellence (CORE) in Agro and Industrial Biotechnology, Thapar Institute of Engineering and Technology, Patiala 147004, Punjab, India
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Guo J, Khan S, Cho SH, Kim J. ZnS nanoparticles as new additive for polyethersulfone membrane in humic acid filtration. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2019.05.015] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Rahimi Z, Zinatizadeh AA, Zinadini S. Membrane bioreactors troubleshooting through the preparation of a high antifouling PVDF ultrafiltration mixed-matrix membrane blended with O-carboxymethyl chitosan-Fe 3O 4 nanoparticles. ENVIRONMENTAL TECHNOLOGY 2019; 40:3523-3533. [PMID: 29799366 DOI: 10.1080/09593330.2018.1480665] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Accepted: 05/19/2018] [Indexed: 06/08/2023]
Abstract
Polymeric ultrafiltration (UF) membranes often used in membrane bioreactor (MBR) prone to be fouled by fouling agents. Therefore, in this paper, the antifouling characteristics of polyvinylidene fluoride (PVDF) UF membranes for wastewater treatment are improved through modifying membranes by O-carboxymethyl chitosan (OCMCS)-functionalized Fe3O4 nanoparticles (OCMCSFe3O4). The modifier agent was manufactured by the adsorption of OCMCS on Fe3O4 nanoparticles, which were synthesized via co-precipitating method. Antifouling performance of membranes was assessed by permeation tests done using activated sludge suspension as a biological foulant, then the calculation of the pure water flux recovery ratio (FRR) and fouling resistance parameters. Also, to investigate the protein rejection of membranes, permeation tests were conducted by the bovine serum albumin (BSA) solution. According to the obtained results, surface hydrophilicity of the embedded membranes was improved in the low concentrations of the modified nanoparticles. However, the high quantity of the OCMCS-Fe3O4 nanoparticles (>0.1 wt. %) in the casting solution lessened membrane performance owing to the agglomeration of the nanoparticles in the polymer matrix. Although, the 1 wt. % OCMCS-Fe3O4 membrane revealed considerably higher PWF and permeation than that of the other membranes. It was because of defects and cracks in the membranes. The 0.05 wt. % OCMCS-Fe3O4/PVDF membrane exhibited the highest FRR (95.7%) and protein rejection value (48%) and the lowest irreversible fouling resistance (Rir) value (4.2%). It is concluded that the blended membranes with modified nanoparticles resulted in a high-flux ultrafiltration membrane comparable with microfiltration membrane, while its separation properties remained similar to UF membrane.
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Affiliation(s)
- Z Rahimi
- Department of Applied Chemistry, Faculty of Chemistry, Environmental Research Center (ERC), Razi University , Kermanshah , Iran
| | - A A Zinatizadeh
- Department of Applied Chemistry, Faculty of Chemistry, Environmental Research Center (ERC), Razi University , Kermanshah , Iran
| | - S Zinadini
- Department of Applied Chemistry, Faculty of Chemistry, Environmental Research Center (ERC), Razi University , Kermanshah , Iran
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Zhang X, Xiong S, Liu CX, Shen L, Ding C, Guan CY, Wang Y. Confining migration of amine monomer during interfacial polymerization for constructing thin-film composite forward osmosis membrane with low fouling propensity. Chem Eng Sci 2019. [DOI: 10.1016/j.ces.2019.06.010] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Novel g-C3N4/TiO2/PAA/PTFE ultrafiltration membrane enabling enhanced antifouling and exceptional visible-light photocatalytic self-cleaning. Catal Today 2019. [DOI: 10.1016/j.cattod.2019.02.027] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Simultaneous voltammetric determination of acetaminophen, naproxen, and theophylline using an in-situ polymerized poly(acrylic acid) nanogel covalently grafted onto a carbon black/La 2O 3 composite. Mikrochim Acta 2019; 186:651. [PMID: 31463587 DOI: 10.1007/s00604-019-3752-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 08/10/2019] [Indexed: 10/26/2022]
Abstract
Lanthanum oxide nanomaterials were decorated with carbon black (CB) and grafted with a poly(acrylic acid) nanogel to obtain a composite material (CB-g-PAA/La2O3) for simultaneous determination of acetaminophen (AMP), naproxen (NPX), and theophylline (TPH). The nanogel was synthesized by in-situ free radical polymerization. The composite was dropped onto a glassy carbon electrode (GCE), and the modified GCE displays robust electrocatalytic activity towards AMP, NPX, and TPH, with voltammetric signals that are enhanced compared to a bare GCE. Features of merit for AMP, NPX, and TPH, respectively, include (a) peak potentials of 0.42, 0.85 and 0.12 V (vs. Ag/AgCl), (b) linear ranges from 0.05-887, 0.05-884, and 0.02-888 μM, and (c) detection limits of 20, 35, and 15 nM. The practical applicability of the CB-g-PAA/La2O3/GCE was illustrated by analyzing serum and urine samples. Graphical abstract Schematic presentation of simultaneous electrochemical sensing of acetaminophen (AMP), naproxen (NPX), and theophylline (TPH) in real sample analysis using poly(acrylic acid) nanogel covalently grafted onto a carbon black/La2O3 composite (CB-g-PAA/La2O3/GCE).
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Ardeshiri F, Akbari A, Peyravi M, Jahanshahi M. PDADMAC/PAA semi-IPN hydrogel-coated PVDF membrane for robust anti-wetting in membrane distillation. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2019.01.035] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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50
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Beluci NDCL, Mateus GAP, Miyashiro CS, Homem NC, Gomes RG, Fagundes-Klen MR, Bergamasco R, Vieira AMS. Hybrid treatment of coagulation/flocculation process followed by ultrafiltration in TIO 2-modified membranes to improve the removal of reactive black 5 dye. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 664:222-229. [PMID: 30743115 DOI: 10.1016/j.scitotenv.2019.01.199] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 01/15/2019] [Accepted: 01/15/2019] [Indexed: 05/15/2023]
Abstract
Many efforts have been made to minimize the polluting effect of wastewater containing dyes that are potentially toxic to the environment. The association of the coagulation/flocculation (CF) process, using saline extract of Moringa oleifera Lam (MO) seeds and subsequently ultrafiltration (UF) in TiO2-modified membranes was performed to remove reactive black 5 dye (10 ppm, RB5) from aqueous solution. The efficiency of the hybrid process was measured by the removal of the dye concentration, apparent color and fouling parameters. The membranes were successfully modified as supported by characterization methods of SEM, FTIR-ATR and WCA. The efficiency of the processes, when applied separately was low. However, after CF and subsequently the filtration in a TiO2-modified membrane both parameters assessed (dye concentration, apparent color) reached 100% of the removal rate. The modified membranes substantially improved permeate fluxes, for instance, after CF the dye flux for modified membrane enhanced around 49% compared with the flux in the pristine membrane. According to these results, the combination of methods was able to effectively remove RB5 dye, in addition to improving permeate fluxes and keeping fouling at low levels.
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Affiliation(s)
- Natália de Camargo Lima Beluci
- Department of Chemical Engineering, State University of Maringá, 5790 - Colombo Avenue, zip-code 87020-900 Maringá, Brazil
| | - Gustavo Affonso Pisano Mateus
- Department of Biotechnology, Genetics and Cell Biology, State University of Maringá, 5790 - Colombo Avenue, zip-code 87020-900 Maringá, Brazil
| | - Carolina Sayury Miyashiro
- Department of Chemical Engineering, West Paraná State University, 645 - Faculdade Street, zip-code 85903-000 Toledo, PR, Brazil
| | - Natália Cândido Homem
- Department of Chemical Engineering, State University of Maringá, 5790 - Colombo Avenue, zip-code 87020-900 Maringá, Brazil
| | - Raquel Guttierres Gomes
- Department of Food Engineering, State University of Maringá, 5790 - Colombo Avenue, zip-code 87020-900, Maringá, Brazil
| | - Márcia Regina Fagundes-Klen
- Department of Chemical Engineering, West Paraná State University, 645 - Faculdade Street, zip-code 85903-000 Toledo, PR, Brazil
| | - Rosangela Bergamasco
- Department of Chemical Engineering, State University of Maringá, 5790 - Colombo Avenue, zip-code 87020-900 Maringá, Brazil.
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