1
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Basko A, Lebedeva T, Yurov M, Ilyasova A, Elyashevich G, Lavrentyev V, Kalmykov D, Volkov A, Pochivalov K. Mechanism of PVDF Membrane Formation by NIPS Revisited: Effect of Precipitation Bath Nature and Polymer-Solvent Affinity. Polymers (Basel) 2023; 15:4307. [PMID: 37959987 PMCID: PMC10650574 DOI: 10.3390/polym15214307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/31/2023] [Accepted: 11/01/2023] [Indexed: 11/15/2023] Open
Abstract
A new interpretation of the mechanism of the polyvinylidene fluoride (PVDF) membrane formation using the nonsolvent-induced phase separation (NIPS) method based on an analysis of the complete experimental phase diagram for the three-component mixture PVDF-dimethyl acetamide (DMAc)-water is proposed. The effects of the precipitation bath's harshness and thermodynamic affinity of the polymer's solvent on the morphology, crystalline structure, transport and physical-mechanical properties of the membranes are investigated. These characteristics were studied via scanning electron microscopy, wide-angle X-ray scattering, liquid-liquid porosimetry and standard methods of physico-mechanical analysis. It is established that an increase in DMAc concentration in the precipitation bath results in the growth of mean pore size from ~60 to ~150 nm and an increase in permeance from ~2.8 to ~8 L m-2 h-1 bar-1. It was observed that pore size transformations are accompanied by changes in the tensile strength of membranes from ~9 to ~11 and to 6 MPa, which were explained by the degeneration of finger-like pores and appearance of spherulitic structures in the samples. The addition of water to the dope solution decreased both the transport (mean pore size changed from ~55 to ~25 nm and permeance reduced from ~2.8 to ~0.5 L m-2 h-1 bar-1) and mechanical properties of the membranes (tensile strength decreased from ~9 to ~6 MPa). It is possible to conclude that the best membrane quality may be reached using pure DMAc as a solvent and a precipitation bath containing 10-30% wt. of DMAc, in addition to water.
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Affiliation(s)
- Andrey Basko
- G.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, 1 ul. Akademicheskaya, 153045 Ivanovo, Russia; (A.B.); (T.L.); (M.Y.); (A.I.); (D.K.)
| | - Tatyana Lebedeva
- G.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, 1 ul. Akademicheskaya, 153045 Ivanovo, Russia; (A.B.); (T.L.); (M.Y.); (A.I.); (D.K.)
| | - Mikhail Yurov
- G.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, 1 ul. Akademicheskaya, 153045 Ivanovo, Russia; (A.B.); (T.L.); (M.Y.); (A.I.); (D.K.)
| | - Anna Ilyasova
- G.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, 1 ul. Akademicheskaya, 153045 Ivanovo, Russia; (A.B.); (T.L.); (M.Y.); (A.I.); (D.K.)
| | - Galina Elyashevich
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, 31 Bolshoy pr., 199004 St. Petersburg, Russia; (G.E.); (V.L.)
| | - Viktor Lavrentyev
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, 31 Bolshoy pr., 199004 St. Petersburg, Russia; (G.E.); (V.L.)
| | - Denis Kalmykov
- G.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, 1 ul. Akademicheskaya, 153045 Ivanovo, Russia; (A.B.); (T.L.); (M.Y.); (A.I.); (D.K.)
- A.V. Topchiev Institute of Petrochemical Synthesis of the Russian Academy of Sciences, 29 Leninsky Prospect, 119991 Moscow, Russia;
| | - Alexey Volkov
- A.V. Topchiev Institute of Petrochemical Synthesis of the Russian Academy of Sciences, 29 Leninsky Prospect, 119991 Moscow, Russia;
| | - Konstantin Pochivalov
- G.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, 1 ul. Akademicheskaya, 153045 Ivanovo, Russia; (A.B.); (T.L.); (M.Y.); (A.I.); (D.K.)
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Yushkin AA, Balynin AV, Nebesskaya AP, Chernikova EV, Muratov DG, Efimov MN, Karpacheva GP. Acrylonitrile-Acrylic Acid Copolymer Ultrafiltration Membranes for Selective Asphaltene Removal from Crude Oil. MEMBRANES 2023; 13:775. [PMID: 37755197 PMCID: PMC10538228 DOI: 10.3390/membranes13090775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/28/2023]
Abstract
In this study, ultrafiltration membranes were developed via a nonsolvent-induced phase separation method for the removal of asphaltenes from crude oil. Polyacrylonitrile (PAN) and acrylonitrile copolymers with acrylic acid were used as membrane materials. Copolymerizing acrylonitrile with acrylic acid resulted in an improvement in the fouling resistance of the membranes. The addition of 10% of acrylic acid to the polymer chain decreases the water contact angle from 71° to 43°, reducing both the total fouling and irreversible fouling compared to membranes made from a PAN homopolymer. The obtained membranes with a pore size of 32-55 nm demonstrated a pure toluene permeance of 84.8-130.4 L/(m2·h·bar) and asphaltene rejection from oil/toluene solutions (100 g/L) of 33-95%. An analysis of the asphaltene rejection values revealed that the addition of acrylic acid increases the rejection values in comparison to PAN membranes with the same pore size. Our results suggest that the acrylonitrile-acrylic acid copolymer ultrafiltration membranes have promising potential for the efficient removal of asphaltenes from crude oil.
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Affiliation(s)
- Alexey A. Yushkin
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 29 Leninsky Prospekt, 119991 Moscow, Russia; (A.V.B.); (A.P.N.); (E.V.C.); (D.G.M.); (M.N.E.); (G.P.K.)
| | - Alexey V. Balynin
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 29 Leninsky Prospekt, 119991 Moscow, Russia; (A.V.B.); (A.P.N.); (E.V.C.); (D.G.M.); (M.N.E.); (G.P.K.)
| | - Alexandra P. Nebesskaya
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 29 Leninsky Prospekt, 119991 Moscow, Russia; (A.V.B.); (A.P.N.); (E.V.C.); (D.G.M.); (M.N.E.); (G.P.K.)
| | - Elena V. Chernikova
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 29 Leninsky Prospekt, 119991 Moscow, Russia; (A.V.B.); (A.P.N.); (E.V.C.); (D.G.M.); (M.N.E.); (G.P.K.)
- Faculty of Chemistry, Moscow State University, 119991 Moscow, Russia
| | - Dmitriy G. Muratov
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 29 Leninsky Prospekt, 119991 Moscow, Russia; (A.V.B.); (A.P.N.); (E.V.C.); (D.G.M.); (M.N.E.); (G.P.K.)
| | - Mikhail N. Efimov
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 29 Leninsky Prospekt, 119991 Moscow, Russia; (A.V.B.); (A.P.N.); (E.V.C.); (D.G.M.); (M.N.E.); (G.P.K.)
| | - Galina P. Karpacheva
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 29 Leninsky Prospekt, 119991 Moscow, Russia; (A.V.B.); (A.P.N.); (E.V.C.); (D.G.M.); (M.N.E.); (G.P.K.)
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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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Putri RDA, Abriyanto H, Desiriani R, Filardli AMI, Bahlawan ZAS, Kusumaningrum M, Prastiwi GP, Raihana R, Siami DH, Aswar R. Enhancing antifouling characteristics and performance against protein macromolecule foulant on PVDF membrane ultrafiltration with eco-friendly Arabic gum additive. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2023. [DOI: 10.1080/10601325.2023.2189440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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5
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Gayatri R, Fizal ANS, Yuliwati E, Hossain MS, Jaafar J, Zulkifli M, Taweepreda W, Ahmad Yahaya AN. Preparation and Characterization of PVDF-TiO 2 Mixed-Matrix Membrane with PVP and PEG as Pore-Forming Agents for BSA Rejection. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1023. [PMID: 36985917 PMCID: PMC10057082 DOI: 10.3390/nano13061023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 03/04/2023] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
Polymeric membranes offer straightforward modification methods that make industry scaling affordable and easy; however, these materials are hydrophobic, prone to fouling, and vulnerable to extreme operating conditions. Various attempts were made in this study to fix the challenges in using polymeric membranes and create mixed-matrix membrane (MMMs) with improved properties and hydrophilicity by adding titanium dioxide (TiO2) and pore-forming agents to hydrophobic polyvinylidene fluoride (PVDF). The PVDF mixed-matrix ultrafiltration membranes in this study were made using the non-solvent phase inversion approach which is a simple and effective method for increasing the hydrophilic nature of membranes. Polyvinylpyrrolidone (PVP) and polyethylene glycol (PEG) as pore-forming chemicals were created. Pure water flux, BSA flux, and BSA rejection were calculated to evaluate the mixed-matrix membrane's efficiency. Bovine serum albumin (BSA) solution was employed in this study to examine the protein rejection ability. Increases in hydrophilicity, viscosity, and flux in pure water and BSA solution were achieved using PVP and PEG additives. The PVDF membrane's hydrophilicity was raised with the addition of TiO2, showing an increased contact angle to 71°. The results show that the PVDF-PVP-TiO2 membrane achieved its optimum water flux of 97 L/(m2h) while the PVDF-PEG-TiO2 membrane rejected BSA at a rate greater than 97%. The findings demonstrate that use of a support or additive improved filtration performance compared to a pristine polymeric membrane by increasing its hydrophilicity.
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Affiliation(s)
- Rianyza Gayatri
- Institute of Chemical and Bioengineering Technology, Universiti Kuala Lumpur Malaysian, Alor Gajah 78000, Melaka, Malaysia; (R.G.); (A.N.S.F.); (M.Z.)
- Polymer Science Program, Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat-Yai 90110, Songkhla, Thailand;
| | - Ahmad Noor Syimir Fizal
- Institute of Chemical and Bioengineering Technology, Universiti Kuala Lumpur Malaysian, Alor Gajah 78000, Melaka, Malaysia; (R.G.); (A.N.S.F.); (M.Z.)
| | - Erna Yuliwati
- Program Study of Chemical Engineering, Faculty of Engineering, Universitas Muhammadiyah Palembang, Jalan A. Yani 13 Ulu Kota, Palembang 30263, Indonesia;
| | - Md Sohrab Hossain
- HICoE-Centre for Biofuel and Biochemical Research, Institute of Self-Sustainable Building, Department of Fundamental and Applied Sciences, Faculty of Science and Information Technology, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Perak Darul Ridzuan, Malaysia;
| | - Juhana Jaafar
- Advanced Membrane Technology Research Centre (AMTEC), Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, Skudai 81310, Johor, Malaysia;
| | - Muzafar Zulkifli
- Institute of Chemical and Bioengineering Technology, Universiti Kuala Lumpur Malaysian, Alor Gajah 78000, Melaka, Malaysia; (R.G.); (A.N.S.F.); (M.Z.)
| | - Wirach Taweepreda
- Polymer Science Program, Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat-Yai 90110, Songkhla, Thailand;
| | - Ahmad Naim Ahmad Yahaya
- Institute of Chemical and Bioengineering Technology, Universiti Kuala Lumpur Malaysian, Alor Gajah 78000, Melaka, Malaysia; (R.G.); (A.N.S.F.); (M.Z.)
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Novel Mixed Matrix Membranes Based on Poly(vinylidene fluoride): Development, Characterization, Modeling. Polymers (Basel) 2023; 15:polym15051222. [PMID: 36904461 PMCID: PMC10007587 DOI: 10.3390/polym15051222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/21/2023] [Accepted: 02/26/2023] [Indexed: 03/06/2023] Open
Abstract
Membrane technology is an actively developing area of modern societies; with the help of high-performance membranes, it is possible to separate various mixtures for many industrial tasks. The objective of this study was to develop novel effective membranes based on poly(vinylidene fluoride) (PVDF) by its modification with various nanoparticles (TiO2, Ag-TiO2, GO-TiO2, and MWCNT/TiO2). Two types of membranes have been developed: dense membranes for pervaporation and porous membranes for ultrafiltration. The optimal content of nanoparticles in the PVDF matrix was selected: 0.3 wt% for porous membranes and 0.5 wt% for dense ones. The structural and physicochemical properties of the developed membranes were studied using FTIR spectroscopy, thermogravimetric analysis, scanning electron and atomic force microscopies, and measuring of contact angles. In addition, the molecular dynamics simulation of PVDF and the TiO2 system was applied. The transport properties and cleaning ability under ultraviolet irradiation of porous membranes were studied by ultrafiltration of a bovine serum albumin solution. The transport properties of dense membranes were tested in pervaporation separation of a water/isopropanol mixture. It was found that membranes with the optimal transport properties are as follows: the dense membrane modified with 0.5 wt% GO-TiO2 and the porous membrane modified with 0.3 wt% MWCNT/TiO2 and Ag-TiO2.
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Al-Maliki RM, Alsalhy QF, Al-Jubouri S, AbdulRazak AA, Shehab MA, Németh Z, Hernadi K, Majdi HS. Enhanced Antifouling in Flat-Sheet Polyphenylsulfone Membranes Incorporating Graphene Oxide-Tungsten Oxide for Ultrafiltration Applications. MEMBRANES 2023; 13:269. [PMID: 36984656 PMCID: PMC10056496 DOI: 10.3390/membranes13030269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/06/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
In this study tungsten oxide and graphene oxide (GO-WO2.89) were successfully combined using the ultra-sonication method and embedded with polyphenylsulfone (PPSU) to prepare novel low-fouling membranes for ultrafiltration applications. The properties of the modified membranes and performance were investigated using Fourier-transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), contact angle (CA), water permeation flux, and bovine serum albumin (BSA) rejection. It was found that the modified PPSU membrane fabricated from 0.1 wt.% of GO-WO2.89 possessed the best characteristics, with a 40.82° contact angle and 92.94% porosity. The permeation flux of the best membrane was the highest. The pure water permeation flux of the best membrane showcased 636.01 L·m-2·h-1 with 82.86% BSA rejection. Moreover, the membranes (MR-2 and MR-P2) manifested a higher flux recovery ratio (FRR %) of 92.66 and 87.06%, respectively, and were less prone to BSA solution fouling. The antibacterial performance of the GO-WO2.89 composite was very positive with three different concentrations, observed via the bacteria count method. These results significantly overtake those observed by neat PPSU membranes and offer a promising potential of GO-WO2.89 on activity membrane performance.
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Affiliation(s)
- Raghad M. Al-Maliki
- Membrane Technology Research Unit, Department of Chemical Engineering, University of Technology-Iraq, Alsinaa Street 52, Baghdad 10066, Iraq
| | - Qusay F. Alsalhy
- Membrane Technology Research Unit, Department of Chemical Engineering, University of Technology-Iraq, Alsinaa Street 52, Baghdad 10066, Iraq
| | - Sama Al-Jubouri
- Department of Chemical Engineering, College of Engineering, University of Baghdad, Aljadria, Baghdad 10071, Iraq
| | - Adnan A. AbdulRazak
- Membrane Technology Research Unit, Department of Chemical Engineering, University of Technology-Iraq, Alsinaa Street 52, Baghdad 10066, Iraq
| | - Mohammed Ahmed Shehab
- Faculty of Materials and Chemical Engineering, University of Miskolc, H-3515 Miskolc, Hungary
- Polymers and Petrochemicals Engineering Department, Basrah University for Oil and Gas, Basrah 61004, Iraq
| | - Zoltán Németh
- Advanced Materials and Intelligent Technologies Higher Education and Industrial Cooperation Centre, University of Miskolc, H-3515 Miskolc, Hungary
| | - Klara Hernadi
- Institute of Physical Metallurgy, Metal Forming and Nanotechnology, University of Miskolc, H-3515 Miskolc, Hungary
| | - Hasan Sh. Majdi
- Department of Chemical Engineering and Petroleum Industries, Al-Mustaqbal University College, Babylon 51001, Iraq
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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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9
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Li Z, Luo X, Li Y. Reed Rhizome Residue-Based Activated Carbon Adsorption Ultrafiltration Membranes for Enhanced MB Removal. ACS OMEGA 2022; 7:43829-43838. [PMID: 36506179 PMCID: PMC9730751 DOI: 10.1021/acsomega.2c04968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 11/03/2022] [Indexed: 06/17/2023]
Abstract
Novel adsorption ultrafiltration (ADUF) membrane was designed for the removal of methylene blue (MB) by introducing Chinese herbal waste-based activated carbon (AC) into the ultrafiltration membrane. We prepared AC particles from Chinese herbal medicine waste residue (reed rhizome residue) as a raw material by ZnCl2 activation and introduced them into the ultrafiltration membrane by phase inversion to prepare a reed rhizome residue-based activated carbon adsorption ultrafiltration (RAC-ADUF) membrane. The RAC-ADUF-0.1 membrane was characterized by a series of physical structures and chemical properties, which showed that the prepared membrane has a more hydrophilic surface and high porosity. The RAC-ADUF-0.1 membrane showed an excellent pure water flux of 255.77 L·m-2·h-1 and a high bovine serum albumin rejection of 99.3%. The RAC-ADUF membranes also possessed excellent antifouling performance. Notably, the RAC-ADUF-0.1 membrane provides excellent removal of MB (99% retention) compared to conventional ultrafiltration membranes. The static adsorption capacity was up to 238.48 mg/g. The significant increase in dynamic adsorption capacity on the RAC-ADUF membrane is due to the three-dimensional distribution of RAC particles on the PSF membrane cross section, which provides more active sites and increases the contact time between RAC and MB. By fitting the adsorption kinetics and isothermal adsorption curves, the results showed that the pseudo-second-order kinetic model and the Langmuir isothermal model were more accurate in explaining the adsorption process. Further kinetic analysis showed that the adsorption process of MB molecules on RAC-ADUF membranes is controlled by both external mass transfer and intraparticle diffusion, with intraparticle diffusion playing a dominant role. In addition, the RAC-ADUF membrane exhibited outstanding adsorption and regeneration abilities, and the MB removal rate stayed at about 95% after 8 adsorption regeneration experiments. In conclusion, this study provides a new idea for the preparation strategy of an adsorption ultrafiltration membrane with high rejection and high permeability and the reuse of Chinese herbal medicine waste residue.
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Affiliation(s)
- Zhen Li
- School
of Chemical Engineering and Technology, Tianjin University, Tianjin300072, China
- Department
of Chemical Engineering, Tianjin Renai College, Tianjin301636, China
| | - Xiongwei Luo
- Department
of Chemical Engineering, Tianjin Renai College, Tianjin301636, China
| | - Yonghong Li
- School
of Chemical Engineering and Technology, Tianjin University, Tianjin300072, China
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Jamaluddin NS, Alias NH, Jaafar J, Othman NH, Sadaki S, Marpani F, Lau WJ, Abd Aziz MH. Exploring Potential of Adsorptive-Photocatalytic Molybdenum Disulphide/Polyacrylonitrile (MoS2/PAN) Nanofiber Coated Cellulose Acetate (CA) Membranes for Treatment of Wastewater. JOURNAL OF POLYMERS AND THE ENVIRONMENT 2022; 30:5290-5300. [DOI: 10.1007/s10924-022-02619-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/27/2022] [Indexed: 09/02/2023]
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11
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Yu Y, Wu Y, Xie C, Sun X, Wang Y, Liu P, Wang Y, Liu C, Wan Y, Pan W, Li T. High-flux, antifouling and highly hydrophilic tight ultrafiltration membranes based on crosslinked PEEKWC/PEI containing positively charged water channel for dyes removal. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.09.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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12
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Huang Z, Shen L, Lin H, Li B, Chen C, Xu Y, Li R, Zhang M, Zhao D. Fabrication of fibrous MXene nanoribbons (MNRs) membrane with efficient performance for oil-water separation. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120949] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Wang Y, Li D, Li J, Li J, Fan M, Han M, Liu Z, Li Z, Kong F. Metal organic framework UiO-66 incorporated ultrafiltration membranes for simultaneous natural organic matter and heavy metal ions removal. ENVIRONMENTAL RESEARCH 2022; 208:112651. [PMID: 35007541 DOI: 10.1016/j.envres.2021.112651] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 12/28/2021] [Accepted: 12/29/2021] [Indexed: 06/14/2023]
Abstract
In this work, a new type of UiO-66 incorporated polysulfone (PSf) ultrafiltration (UF) membranes was fabricated to enhance antifouling properties and heavy metal ions removal efficiency. The UF membranes incorporating different loadings of the UiO-66 filler were prepared via the classical phase inversion process. These membranes unveiled enhanced hydrophilicity, porosity, water uptake, zeta potential, mechanical strength, permeability, and HA removal ratios due to the incorporation of hydrophilic UiO-66 fillers. Particularly, HA rejection ratios were observed to be approximately 93% for all the modified membranes, which was attributed to electrostatic repulsion interactions between the hydrophilic groups of HA and UiO-66. Moreover, the antifouling abilities of the modified membranes were evaluated and found to be much better with a high flux recovery ratio (FRR) of about 88% when compared to the blank PSf membrane (only around 34%). Moreover, the UiO-66 incorporated membranes were highly-effective in the removal of contaminants like heavy metal ions (Sr2+, Pb2+, Cd2+, and Cr6+) and HA at the same time. Overall, the PSf UF membranes incorporating UiO-66 opened up a new avenue to enhance the membrane hydrophilicity, permeability, antifouling properties as well as heavy metal ions removal abilities.
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Affiliation(s)
- Yi Wang
- State Key Lab of NBC for Civilian Protection, Beijing, 102205, China; Water Industry and Environment Engineering Technology Research Centre, Chongqing, 401311, China
| | - Daxue Li
- State Key Lab of NBC for Civilian Protection, Beijing, 102205, China; Water Industry and Environment Engineering Technology Research Centre, Chongqing, 401311, China
| | - Jian Li
- State Key Lab of NBC for Civilian Protection, Beijing, 102205, China
| | - Jun Li
- State Key Lab of NBC for Civilian Protection, Beijing, 102205, China.
| | - Mao Fan
- State Key Lab of NBC for Civilian Protection, Beijing, 102205, China
| | - Mengwei Han
- State Key Lab of NBC for Civilian Protection, Beijing, 102205, China
| | - Zequn Liu
- Water Industry and Environment Engineering Technology Research Centre, Chongqing, 401311, China
| | - Zhanguo Li
- State Key Lab of NBC for Civilian Protection, Beijing, 102205, China.
| | - Fanxin Kong
- State Key Laboratory of Heavy Oil Processing, Beijing Key Laboratory of Oil & Gas Pollution Control, China University of Petroleum, Beijing, 102249, China.
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Preparation of Nano-TiO 2-Modified PVDF Membranes with Enhanced Antifouling Behaviors via Phase Inversion: Implications of Nanoparticle Dispersion Status in Casting Solutions. MEMBRANES 2022; 12:membranes12040386. [PMID: 35448357 PMCID: PMC9025110 DOI: 10.3390/membranes12040386] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/25/2022] [Accepted: 03/30/2022] [Indexed: 02/04/2023]
Abstract
Titanium dioxide (TiO2) nanoparticles have been applied in membrane antifouling performance modification for years. However, the influence of TiO2 nanoparticle dispersion status during the blending process on membrane properties and the inner mechanism has seldom been focused on. Herein, we investigated the influence of the various dispersing statuses of TiO2 nanoparticles on membrane properties and antifouling performance by exploring various blending processes without changing the original recipe. Polyethylene glycol (PEG) was employed as a pore-forming agent during the membrane preparation process, and also as a pre-dispersing agent for the TiO2 nanoparticles via the steric hindrance effect. Compared to the original preparation process of the PVDF/TiO2 composite membrane, the pre-dispersing of TiO2 via PEG ensured a modified membrane with uniform surface pores and structures on cross-sectional morphologies, larger porosity and water permeability, and more negative zeta potential. The contact angle was decreased by 6.0%, implying better hydrophilicity. The improved antifouling performance was corroborated by the increasing free energy of cohesion and adhesion, the interaction energy barrier (0.43 KT) between the membrane surfaces and approaching foulants assessed by classic XDLVO theory and the low flux decline in the filtration experiment. A kinetics mechanism analysis of the casting solutions, which found a low TSI value (<1.0), substantiated that the pre-dispersion of TiO2 with PEG contributed to the high stability and ultimately favorable antifouling behaviors. This study provides an optimized approach to the preparation of excellent nano-TiO2/polymeric composite membranes applied in the municipal sewage treatment field.
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15
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Xiong Z, Liu J, Yang Y, Lai Q, Wu X, Yang J, Zeng Q, Zhang G, Zhao S. Reinforcing hydration layer on membrane surface via nano-capturing and hydrothermal crosslinking for fouling reduction. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2021.120076] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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16
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Kallem P, Ouda M, Bharath G, Hasan SW, Banat F. Enhanced water permeability and fouling resistance properties of ultrafiltration membranes incorporated with hydroxyapatite decorated orange-peel-derived activated carbon nanocomposites. CHEMOSPHERE 2022; 286:131799. [PMID: 34364235 DOI: 10.1016/j.chemosphere.2021.131799] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/18/2021] [Accepted: 08/02/2021] [Indexed: 06/13/2023]
Abstract
Hydroxyapatite-decorated activated carbon (HAp/AC) nanocomposite was synthesized and utilized as a nanofiller to fabricate a novel type of polyethersulfone (PES) nanocomposite ultrafiltration (UF) membranes. Activated carbon (AC) derived from orange peel was synthesized by low-temperature pyrolysis at 400 °C. A hydroxyapatite/AC (HAp/AC) nanocomposite was developed by a simple one-pot hydrothermal synthesis method. The UF membrane was fabricated by intercalating HAp/AC fillers into PES casting solution by the non-solvent induced phase separation (NIPS) process. The prepared membranes exhibited a lower water contact angle than the pristine PES membrane. The hybrid membrane with 4 wt% HAp/AC nanocomposite displayed 4.6 times higher pure water flux (~660 L/m2 h) than that of the pristine membrane (143 L/m2 h). In static adsorption experiments, it was found that the amount of humic acid (HA) and bovine serum albumin (BSA) adsorbed by the HAp/AC-PES hybrid membrane was much lower than that of the original membrane due to the electrostatic repulsive forces between them and the surface of the membrane. Irreversible fouling was reduced from 33 to 6 % for HA and from 46 to 8 % for BSA after HAp/AC was incorporated into the PES matrix. After 7 cycles of water-BSA-water, the HAp/AC-PES hybrid membrane maintained a high pure water flux of 540 L/m2 h with an excellent flux recovery ratio (FRR), demonstrating the long-term stability of the membranes. The developed UF membranes outperformed the original PES membranes in terms of permeability, selectivity, and antifouling.
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Affiliation(s)
- Parashuram Kallem
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates; Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates.
| | - Mariam Ouda
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - G Bharath
- Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Shadi W Hasan
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates; Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates.
| | - Fawzi Banat
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates; Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates.
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17
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High-Performance Thin-Film nanocomposite forward osmosis membranes modified with Poly(dopamine) coated UiO66-(COOH)2. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119438] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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18
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Hierarchically superhydrophilic poly(vinylidene fluoride) membrane with self-cleaning fabricated by surface mineralization for stable separation of oily wastewater. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119864] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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19
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Li YJ, Chen GE, Liu LJ, Xu ZL, Xu SJ, Xie HY, Chen Z, Wan JJ. Designing of a novel polyvinylidene fluoride/TiO 2/UiO-66-NH 2 membrane with photocatalytic antifouling properties using modified zirconium-based metal-organic framework. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2021; 84:2380-2393. [PMID: 34810318 DOI: 10.2166/wst.2021.381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Novel polyvinylidene fluoride/TiO2/UiO-66-NH2 (PVDF/TiUN) membranes were produced by the delay phase separation method via introducing the TiO2/UiO-66-NH2 (TiUN) nanocomposite into PVDF casting solution. Interconnection of TiO2 and UiO-66-NH2 improved photocatalysis capacity and endowed PVDF/TiUN membranes with self-cleaning capability. Quantitative measurements showed that, firstly, PVDF/TiUN membranes exhibited improved photodegradation kinetics and efficiency (up to 88.1%) to Rhodamine B (RhB). Secondly, the performances of bovine serum albumin (BSA) rejection and permeation of PVDF/TiUN membranes outperformed those of other check samples, indicating enhanced hydrophilicity. Thirdly, rejection rate of BSA reached a breathtaking 98.14% and flux recovery ratio (FRR) of BSA reached a breathtaking 95.37%. Thus, given their excellent anti-contamination property and separation performance, the PVDF/TiUN membrane is very likely to be a novel water treatment membrane.
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Affiliation(s)
- Yi-Jing Li
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, China E-mail:
| | - Gui-E Chen
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, China E-mail:
| | - Lian-Jing Liu
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, China E-mail:
| | - Zhen-Liang Xu
- State Key Laboratory of Chemical Engineering, Membrane Science and Engineering R&D Lab, Chemical Engineering Research Center, School of Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Sun-Jie Xu
- State Key Laboratory of Chemical Engineering, Membrane Science and Engineering R&D Lab, Chemical Engineering Research Center, School of Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Huan-Yin Xie
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, China E-mail:
| | - Zhen Chen
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, China E-mail:
| | - Jia-Jun Wan
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, China E-mail:
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20
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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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21
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Yang Y, Xiong Z, Wang Z, Liu Y, He Z, Cao A, Zhou L, Zhu L, Zhao S. Super-adsorptive and photo-regenerable carbon nanotube based membrane for highly efficient water purification. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.119000] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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22
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Abba MU, Man HC, Azis RS, Isma Idris A, Hazwan Hamzah M, Yunos KF, Katibi KK. Novel PVDF-PVP Hollow Fiber Membrane Augmented with TiO 2 Nanoparticles: Preparation, Characterization and Application for Copper Removal from Leachate. NANOMATERIALS 2021; 11:nano11020399. [PMID: 33557323 PMCID: PMC7915492 DOI: 10.3390/nano11020399] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 01/31/2021] [Accepted: 02/01/2021] [Indexed: 12/18/2022]
Abstract
High proportion of copper has become a global challenge owing to its negative impact on the environment and public health complications. The present study focuses on the fabrication of a polyvinylidene fluoride (PVDF)-polyvinyl pyrrolidone (PVP) fiber membrane incorporated with varying loading (0, 0.5, 1.0, 1.5, and 2.0 wt%) of titanium dioxide (TiO2) nanoparticles via phase inversion technique to achieve hydrophilicity along with high selectivity for copper removal. The developed fibers were characterized based on scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), permeability, porosity, zeta potential, and contact angle. The improved membrane (with 1.0 wt% TiO2) concentration recorded the maximum flux (223 L/m2·h) and copper rejection (98.18%). Similarly, 1.0 wt% concentration of TiO2 nanoparticles made the membrane matrix more hydrophilic with the least contact angle of 50.01°. The maximum copper adsorption capacity of 69.68 mg/g was attained at 1.0 wt% TiO2 concentration. The experimental data of adsorption capacity were best fitted to the Freundlich isotherm model with R2 value of 0.99573. The hybrid membrane developed in this study has considerably eliminated copper from leachate and the concentration of copper in the permeate was substantially reduced to 0.044 mg/L, which is below standard discharge threshold.
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Affiliation(s)
- Mohammed Umar Abba
- Department of Biological and Agricultural Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (M.U.A.); (M.H.H.); (K.K.K.)
- Department of Agricultural and Bioenvironmental Engineering, Federal Polytechnic Mubi, Mubi 650221, Nigeria
| | - Hasfalina Che Man
- Department of Biological and Agricultural Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (M.U.A.); (M.H.H.); (K.K.K.)
- Smart Farming Technology Research Centre, Level 6, Blok Menara, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
- Correspondence: ; Tel.: +60-3-97694340
| | - Raba’ah Syahidah Azis
- Department of Physics, Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
- Materials Synthesis and Characterization Laboratory (MSCL), Institute of Advanced Technology (ITMA), Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Aida Isma Idris
- Department of Chemical Engineering, Faculty of Engineering, Segi Universiti Malaysia, Petaling Jaya 47810, Selangor, Malaysia;
| | - Muhammad Hazwan Hamzah
- Department of Biological and Agricultural Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (M.U.A.); (M.H.H.); (K.K.K.)
- Smart Farming Technology Research Centre, Level 6, Blok Menara, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Khairul Faezah Yunos
- Department of Food and Process Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM, Serdang 43400, Selangor, Malaysia;
| | - Kamil Kayode Katibi
- Department of Biological and Agricultural Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (M.U.A.); (M.H.H.); (K.K.K.)
- Department of Agricultural and Biological Engineering, Faculty of Engineering & Technology, Kwara State University, Malete, Ilorin 23431, Nigeria
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23
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Sulfonated carbon nano-onion incorporated polyethersulfone nanocomposite ultrafiltration membranes with improved permeability and antifouling property. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117825] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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24
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Zhao S, Shen L. Editorial: Advanced Membrane Science and Technology for Sustainable Environmental Applications. Front Chem 2020; 8:609774. [PMID: 33282846 PMCID: PMC7689211 DOI: 10.3389/fchem.2020.609774] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 10/05/2020] [Indexed: 11/25/2022] Open
Affiliation(s)
- Shuaifei Zhao
- Institute for Frontier Materials, Deakin University, Geelong, VIC, Australia
| | - Liguo Shen
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, China
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25
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He Z, Mahmud S, Yang Y, Zhu L, Zhao Y, Zeng Q, Xiong Z, Zhao S. Polyvinylidene fluoride membrane functionalized with zero valent iron for highly efficient degradation of organic contaminants. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.117266] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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26
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Ibrahim Y, Naddeo V, Banat F, Hasan SW. Preparation of novel polyvinylidene fluoride (PVDF)-Tin(IV) oxide (SnO2) ion exchange mixed matrix membranes for the removal of heavy metals from aqueous solutions. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.117250] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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27
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Utilization of Nano-TiO 2 as an Influential Additive for Complementing Separation Performance of a Hybrid PVDF-PVP Hollow Fiber: Boron Removal from Leachate. Polymers (Basel) 2020; 12:polym12112511. [PMID: 33126619 PMCID: PMC7693612 DOI: 10.3390/polym12112511] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/07/2020] [Accepted: 10/10/2020] [Indexed: 12/07/2022] Open
Abstract
The continuous increase in anthropogenic activities resulting in an increase in boron concentration in the environment is becoming a serious threat to public health and the ecosystem. In this regard, a hybrid polyvinylidene fluoride (PVDF)-polyvinyl pyrrolidone (PVP) hollow fiber was synthesized with hydrophilic nano-titanium oxide (TiO2) at varied loadings of 0, 0.5, 1.0, 1.5, and 2.0 wt% using the phase inversion technique. The resultant membranes were characterized in terms of Scanning Electron Microscopy (SEM), Energy Dispersive X-ray Spectroscopy (EDX), contact angle, porosity, and zeta potential. The permeability flux was assessed using both pure water and leachate; also, rejection performance was evaluated based on boron removal from the leachate. The results revealed that the membrane with 1.0 wt% loading had the highest flux alongside an upturn in boron rejection percentage of 223 L/m2·h and 94.39%, respectively. In addition, the lowest contact angle of 50.01° was recorded with 1.0 wt% TiO2 loading, and this implies that it is the most hydrophilic. Throughout the experiment cycles, the fiber with 1.0 wt% TiO2 loading demonstrated a high flux recovery varying between 92.82% and 76.26% after 9 h filtration time. The physicochemical analysis of the permeate revealed that the boron concentration was significantly reduced to 0.43 mg/L, which is far lower than the discharge limit of 1.0 mg/L.
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28
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Wang X, Wu C, Zhu T, Li P, Xia S. The hierarchical flower-like MoS 2 nanosheets incorporated into PES mixed matrix membranes for enhanced separation performance. CHEMOSPHERE 2020; 256:127099. [PMID: 32470733 DOI: 10.1016/j.chemosphere.2020.127099] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 05/12/2020] [Accepted: 05/15/2020] [Indexed: 06/11/2023]
Abstract
Membrane fouling is an issue of concern due to the hydrophobic properties of polyethersulfone (PES) membrane when applied in water treatment. In this work, a facile hydrothermal method was utilized to synthesize hierarchical flower-like structured molybdenum disulfide nanosheets (HF-MoS2 NSs) that then incorporated into PES membranes as composite membranes. We characterized their permeability, the separation performance, the antifouling performance, and the antibacterial activity systematically. Results showed that composite membranes exhibited a better pure water flux (286 LMH/bar) at the HF-MoS2 NSs content of 0.4 wt%, which was 1.8 times higher than the control membrane. Also, composite PES membranes achieved 98.2% and 96.9% rejection of BSA and HA in comparison with the control PES membrane (87.3%, and 84.5%, respectively). Compare to the control PES membrane, the flux recovery ratio of the composite membrane increased from 69% to 88% for BSA fouling and increased from 84% to 93% for HA fouling. The retention rate for the organic dyes also improved slightly after HF-MoS2 NSs incorporation into the membrane. Additionally, the composite membranes exhibited a relatively high antibacterial activity against E. coli and B. subtilis with antibacterial rates of 67.8% and 82.5%, respectively. In conclusion, HF-MoS2 NSs incorporated composite membranes were shown to have outstanding filtration performance and could be a promising candidate for practical application in water filtration.
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Affiliation(s)
- Xiaoping Wang
- State Key Laboratory of Pollution Control and Resources Reuse, Tongji University, Shanghai, 200092, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education, Shanghai, China
| | - Chao Wu
- State Key Laboratory of Pollution Control and Resources Reuse, Tongji University, Shanghai, 200092, China
| | - Tongren Zhu
- Arcadis-US, Inc, 1717 West 6 Street #210, Austin, TX, 78703, USA
| | - Pan Li
- State Key Laboratory of Pollution Control and Resources Reuse, Tongji University, Shanghai, 200092, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education, Shanghai, China
| | - Shengji Xia
- State Key Laboratory of Pollution Control and Resources Reuse, Tongji University, Shanghai, 200092, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education, Shanghai, China; Shanghai Institute of Pollution Control and Ecological Security, China.
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29
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Veréb G, Kassai P, Nascimben Santos E, Arthanareeswaran G, Hodúr C, László Z. Intensification of the ultrafiltration of real oil-contaminated (produced) water with pre-ozonation and/or with TiO 2, TiO 2/CNT nanomaterial-coated membrane surfaces. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:22195-22205. [PMID: 32060831 PMCID: PMC7293663 DOI: 10.1007/s11356-020-08047-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Accepted: 02/10/2020] [Indexed: 06/10/2023]
Abstract
In the present study, commercial PES, PVDF, PTFE ultrafilter membranes, and two different nanomaterial (TiO2 and TiO2/CNT composite)-covered PVDF ultrafilter membranes (MWCO = 100 kDa) were used for the purification of an industrial oil-contaminated (produced) wastewater, with and without ozone pretreatment to compare the achievable fouling mitigations by the mentioned surface modifications and/or pre-ozonation. Fluxes, filtration resistances, foulings, and purification efficiencies were compared in detail. Pre-ozonation was able to reduce the total filtration resistance in all cases (up to 50%), independently from the membrane material. During the application of nanomaterial-modified membranes were by far the lowest filtration resistances measured, and in these cases, pre-ozonation resulted in a slight further reduction (11-13%) of the total filtration resistance. The oil removal efficiency was 83-91% in the case of commercial membranes and > 98% in the case of modified membranes. Moreover, the highest fluxes (301-362 L m-2 h-1) were also measured in the case of modified membranes. Overall, the utilization of nanomaterial-modified membranes was more beneficial than pre-ozonation, but with the combination of these methods, slightly higher fluxes, lower filtration resistances, and better antifouling properties were achieved; however, pre-ozonation slightly decreased the oil removal efficiency.
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Affiliation(s)
- Gábor Veréb
- Institute of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai Blvd. 9., Szeged, HU-6725, Hungary.
| | - Péter Kassai
- Institute of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai Blvd. 9., Szeged, HU-6725, Hungary
| | - Erika Nascimben Santos
- Institute of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai Blvd. 9., Szeged, HU-6725, Hungary
| | - Gangasalam Arthanareeswaran
- Membrane Research Laboratory, Department of Chemical Engineering, National Institute of Technology, Tiruchirappalli, Tamilnadu, 620015, India
| | - Cecilia Hodúr
- Institute of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai Blvd. 9., Szeged, HU-6725, Hungary
- Institute of Environmental Science and Technology, University of Szeged, Tisza Lajos Blvd. 103, Szeged, H-6720, Hungary
| | - Zsuzsanna László
- Institute of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai Blvd. 9., Szeged, HU-6725, Hungary
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30
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Critical Issues and Guidelines to Improve the Performance of Photocatalytic Polymeric Membranes. Catalysts 2020. [DOI: 10.3390/catal10050570] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Photocatalytic membrane reactors (PMR), with immobilized photocatalysts, play an important role in process intensification strategies; this approach offers a simple solution to the typical catalyst recovery problem of photocatalytic processes and, by simultaneous filtration and photocatalysis of the aqueous streams, facilitates clean water production in a single unit. The synthesis of polymer photocatalytic membranes has been widely explored, while studies focused on ceramic photocatalytic membranes represent a minority. However, previous reports have identified that the successful synthesis of polymeric photocatalytic membranes still faces certain challenges that demand further research, e.g., (i) reduced photocatalytic activity, (ii) photocatalyst stability, and (iii) membrane aging, to achieve technological competitiveness with respect to suspended photocatalytic systems. The novelty of this review is to go a step further to preceding literature by first, critically analyzing the factors behind these major limitations and second, establishing useful guidelines. This information will help researchers in the field in the selection of the membrane materials and synthesis methodology for a better performance of polymeric photocatalytic membranes with targeted functionality; special attention is focused on factors affecting membrane aging and photocatalyst stability.
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31
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Zhang T, Kong FX, Li XC, Liu Q, Chen JF, Guo CM. Comparison of the performance of prepared pristine and TiO 2 coated UF/NF membranes for two types of oil-in-water emulsion separation. CHEMOSPHERE 2020; 244:125386. [PMID: 32050321 DOI: 10.1016/j.chemosphere.2019.125386] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/12/2019] [Accepted: 11/14/2019] [Indexed: 06/10/2023]
Abstract
Polysulfone ultrafiltration (UF) and polypiperazine-amide nanofiltration (NF) membranes were first fabricated by phase inversion and interfacial polymerization, and then modified by the commonly used TiO2 on the membrane surface, respectively. Compared with the pristine UF and NF membranes, pure water flux decreased by 40.66% for modified UF membrane and 12.92% for modified NF membrane, while the contact angle of the modified membranes decreased from 66.5° to 35.3° for UF membrane and from 48.2° to37.7° for NF membrane. However, the membrane modified by TiO2 nanoparticles for both UF and NF membranes exhibited much better anti-fouling and separation performance for two types of oil-in-water emulsions with different droplet size (i.e., prepared oil-in-water emulsion with low salinity and oil produced water in Shengli oilfield, China). It was obvious that water flux of modified UF only slightly decreased and the stable water flux was 2.2 times and 15.6% higher than that of pristine membranes for the prepared oil-in-water emulsion and produced water, respectively. According to the five fouling models for UF, the TiO2 modified UF membrane could alleviate the fouling on membrane surface and greatly increase water flux by reducing the adsorption, deposition, blockage of membrane pores and formation of cake layer for two types of oil-in-water emulsion. For NF, water flux of the modified membrane increased by 66.1% and 22.8% for prepared oil-in-water emulsion and produced water, respectively. TiO2 coating effectively alleviated the oil adhesion and cake layer formation on the membrane surface.
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Affiliation(s)
- Tong Zhang
- State Key Laboratory of Heavy Oil Processing, Beijing Key Laboratory of Oil & Gas Pollution Control, China University of Petroleum, Beijing, 102249, China; Shaanxi Coal Chemical Industry Technology Research Institute Co., Ltd., Xian, 710070, China
| | - Fan-Xin Kong
- State Key Laboratory of Heavy Oil Processing, Beijing Key Laboratory of Oil & Gas Pollution Control, China University of Petroleum, Beijing, 102249, China.
| | - Xi-Chen Li
- State Key Laboratory of Heavy Oil Processing, Beijing Key Laboratory of Oil & Gas Pollution Control, China University of Petroleum, Beijing, 102249, China
| | - Qian Liu
- State Key Laboratory of Heavy Oil Processing, Beijing Key Laboratory of Oil & Gas Pollution Control, China University of Petroleum, Beijing, 102249, China
| | - Jin-Fu Chen
- State Key Laboratory of Heavy Oil Processing, Beijing Key Laboratory of Oil & Gas Pollution Control, China University of Petroleum, Beijing, 102249, China
| | - Chun-Mei Guo
- State Key Laboratory of Heavy Oil Processing, Beijing Key Laboratory of Oil & Gas Pollution Control, China University of Petroleum, Beijing, 102249, China
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Zhao S, Golestani M, Penesyan A, Deng B, Zheng C, Strezov V. Antibiotic enhanced dopamine polymerization for engineering antifouling and antimicrobial membranes. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.05.057] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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33
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Wang J, Cahyadi A, Wu B, Pee W, Fane AG, Chew JW. The roles of particles in enhancing membrane filtration: A review. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2019.117570] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Li Y, He S, Zhou Z, Zhou S, Huang S, Fane AG, Zheng C, Zhang Y, Zhao S. Carboxylated Nanodiamond-Enhanced Photocatalytic Membranes with Improved Antifouling and Self-Cleaning Properties. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.9b06389] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yi Li
- School of Environment and Energy, South China University of Technology, Guangzhou 511442, China
- State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Shu He
- School of Environment, Harbin Institute of Technology, Harbin 150001, China
| | - Zhuang Zhou
- School of Environment and Energy, South China University of Technology, Guangzhou 511442, China
| | - Shaofeng Zhou
- School of Environment and Energy, South China University of Technology, Guangzhou 511442, China
| | - Shaobin Huang
- School of Environment and Energy, South China University of Technology, Guangzhou 511442, China
| | - Anthony G. Fane
- UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Chunmiao Zheng
- State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Yongqing Zhang
- School of Environment and Energy, South China University of Technology, Guangzhou 511442, China
| | - Shuaifei Zhao
- Institute for Frontier Materials, Deakin University, Geelong, VIC 3200, Australia
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Enfrin M, Dumée LF, Lee J. Nano/microplastics in water and wastewater treatment processes - Origin, impact and potential solutions. WATER RESEARCH 2019; 161:621-638. [PMID: 31254888 DOI: 10.1016/j.watres.2019.06.049] [Citation(s) in RCA: 231] [Impact Index Per Article: 46.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 05/30/2019] [Accepted: 06/19/2019] [Indexed: 05/22/2023]
Abstract
The presence of nano and microplastics in water has increasingly become a major environmental challenge. A key challenge in their detection resides in the relatively inadequate analytical techniques available preventing deep understanding of the fate of nano/microplastics in water. The occurrence of nano/microplastics in water and wastewater treatment plants poses a concern for the quality of the treated water. Due to their broad but small size and diverse chemical natures, nano/microplastics may travel easily along water and wastewater treatment processes infiltrating remediation processes at various levels, representing operational and process stability challenges. This review aims at presenting the current understanding of the fate and impact of nano/microplastics through water and wastewater treatment plants. The formation and fragmentation mechanisms, physical-chemical properties and occurrence of nano/microplastics in water are correlated to the interactions of nano/microplastics with water and wastewater treatment plant processes and potential solutions to limit these interactions are comprehensively reviewed. This critical analysis offers new strategies to limit the number of nano/microplastics in water and wastewater to keep water quality up to the required standards and reduce threats on our ecosystems.
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Affiliation(s)
- Marie Enfrin
- Department of Chemical and Process Engineering, University of Surrey, Surrey, GU27XH, United Kingdom
| | - Ludovic F Dumée
- Deakin University, Geelong, Institute for Frontier Materials, Waurn Ponds, Victoria, 3216, Australia.
| | - Judy Lee
- Department of Chemical and Process Engineering, University of Surrey, Surrey, GU27XH, United Kingdom
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Unravelling the Potency of Activated Carbon Powder Derived from Cultivated Marine Microalgae as a Promising Filler in Mixed Matrix Membranes. AGRIENGINEERING 2019. [DOI: 10.3390/agriengineering1020014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Activated carbon-filled mixed matrix membranes were commonly used to enhance the separation performance of liquid or gas separation processes. Activated carbon is traditionally derived from agricultural crops such as coconut shells or wood biomass. Marine microalgae however have a great potential to produce powdered activated carbon. In this study, marine microalgae Chlorella vulgaris have been evaluated for their carbon content, and the 16.09% carbon content has potential to be employed as a raw material in manufacturing activated carbon powder. Dry microalgae were carbonized at a temperature of 500 °C for 30 min, at a constant increment rate of temperature of 10 °C per minute to produce microalgae charcoal. Chemically-based activation treatments using H3PO4 and ZnCl2 with concentrations of 10%, 30%, and 50%, respectively, assisted by microwave irradiation, have been used to prepare activated carbon. The properties of activated carbon powder were analyzed including yields, ash content, volatile substances, pure activated carbon content, absorption of iodine solution, surface area, and imaging of activated carbon using SEM-EDX. The best treatment characteristics were obtained using H3PO4 at a concentration of 50% with characteristics of 19.47% yield, 11.19% ash content, 31.92% volatile content, 56.89% pure activated carbon, 325.17 mg g−1 iodine absorption, and 109.273 m2 g−1 surface area based on the Brunauer–Emmett–Teller (BET) method, as well as a 5.5-nm average pore diameter. The SEM-EDX imaging results showed the formation of micropores on the surface of activated carbon, with carbon content reaching 72.31%; however, impurities could decrease the surface area and reduce the absorption performance of microalgae activated carbon.
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37
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A novel gold nanocomposite membrane with enhanced permeation, rejection and self-cleaning ability. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2018.11.061] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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38
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Li X, Zhang Y, Cao J, Wang X, Cui Z, Zhou S, Li M, Drioli E, Wang Z, Zhao S. Enhanced fouling and wetting resistance of composite Hyflon AD/poly(vinylidene fluoride) membrane in vacuum membrane distillation. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2018.09.071] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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39
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Zhang G, Zhou M, Xu Z, Jiang C, Shen C, Meng Q. Guanidyl-functionalized graphene/polysulfone mixed matrix ultrafiltration membrane with superior permselective, antifouling and antibacterial properties for water treatment. J Colloid Interface Sci 2019; 540:295-305. [PMID: 30660082 DOI: 10.1016/j.jcis.2019.01.050] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 01/10/2019] [Accepted: 01/11/2019] [Indexed: 11/18/2022]
Abstract
Mixed matrix membranes blended with graphene-based nanomaterials have great potential in water and wastewater treatment on account of their multiple functionalities. To solve the complicated biofouling problem and diversify the applications of membranes, novel synergistic antibacterial guanidyl-functionalized graphene/polysulfone (GFG/PSF) mixed matrix ultrafiltration membranes were prepared by a non-solvent induced phase separation method. The guanidyl-functionalized graphene nanosheets were achieved by a two-step grafting process consisting of amination and guanidination and exhibited high dispersibility in the casting solution, which showed good compatibility with the polymer matrix. Besides the advantages of partially reduced graphene oxide (GO) nanosheets in creating a stronger interaction with the bacterial cell membrane to destroy the bacteria, the induced bidendate binding between guanidyl groups and phosphate groups on the cell wall can make high sterilization rate even at low concentrations. Different techniques including XRD, FTIR, XPS, SEM, TEM, EDX, contact angle meter, filtration and antibacterial experiments were employed to characterize and investigate the performance of nanosheets and membranes. Compared with pure PSF membrane, the GFG/PSF mixed matrix membranes not only exhibited superior permeability and prominent antifouling property performance toward bovine serum albumin (BSA), but also displayed excellent antimicrobial activity and long-term duration toward Escherichia coli and Staphylococcus aureus.
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Affiliation(s)
- Guoliang Zhang
- Institute of Oceanic and Environmental Chemical Engineering, State Key Lab Breeding Base of Green Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou 310014, PR China.
| | - Min Zhou
- Institute of Oceanic and Environmental Chemical Engineering, State Key Lab Breeding Base of Green Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou 310014, PR China
| | - Zehai Xu
- Institute of Oceanic and Environmental Chemical Engineering, State Key Lab Breeding Base of Green Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou 310014, PR China
| | - Chunyue Jiang
- Institute of Oceanic and Environmental Chemical Engineering, State Key Lab Breeding Base of Green Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou 310014, PR China
| | - Chong Shen
- Department of Chemical and Biological Engineering, State Key Laboratory of Chemical Engineering, Zhejiang University, Zhejiang University, Hangzhou 310027, PR China
| | - Qin Meng
- Department of Chemical and Biological Engineering, State Key Laboratory of Chemical Engineering, Zhejiang University, Zhejiang University, Hangzhou 310027, PR China.
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40
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Wang Y, Li X, Zhao S, Fang Z, Ng D, Xie C, Wang H, Xie Z. Thin-Film Composite Membrane with Interlayer Decorated Metal–Organic Framework UiO-66 toward Enhanced Forward Osmosis Performance. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b04968] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yi Wang
- Water Industry and Environment Engineering Technology Research Centre, 401311, Chongqing, China
- CSIRO Manufacturing, Private bag 10, Clayton South, Victoria 3169, Australia
| | - Xingya Li
- Department of Chemical Engineering, Monash University, Clayton, Victoria 3168, Australia
| | - Shuaifei Zhao
- Department of Environmental Sciences, Macquarie University, Sydney, New South Wales 2109, Australia
| | - Zhendong Fang
- Water Industry and Environment Engineering Technology Research Centre, 401311, Chongqing, China
| | - Derrick Ng
- CSIRO Manufacturing, Private bag 10, Clayton South, Victoria 3169, Australia
| | - Chaoxin Xie
- Water Industry and Environment Engineering Technology Research Centre, 401311, Chongqing, China
| | - Huanting Wang
- Department of Chemical Engineering, Monash University, Clayton, Victoria 3168, Australia
| | - Zongli Xie
- CSIRO Manufacturing, Private bag 10, Clayton South, Victoria 3169, Australia
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41
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A novel strategy to develop antifouling and antibacterial conductive Cu/polydopamine/polyvinylidene fluoride membranes for water treatment. J Colloid Interface Sci 2018; 531:493-501. [DOI: 10.1016/j.jcis.2018.07.090] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 07/19/2018] [Accepted: 07/20/2018] [Indexed: 01/06/2023]
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Galiano F, Song X, Marino T, Boerrigter M, Saoncella O, Simone S, Faccini M, Chaumette C, Drioli E, Figoli A. Novel Photocatalytic PVDF/Nano-TiO₂ Hollow Fibers for Environmental Remediation. Polymers (Basel) 2018; 10:E1134. [PMID: 30961059 PMCID: PMC6403937 DOI: 10.3390/polym10101134] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 10/06/2018] [Accepted: 10/09/2018] [Indexed: 11/30/2022] Open
Abstract
Polyvinylidene difluoride (PVDF) mixed matrix membranes loaded with inorganic TiO₂ nanoparticles have received increasing attention in the last few years as self-cleaning membranes for possible application in wastewater treatment and seawater filtration. These novel membranes show increased hydrophilicity, stability and catalytic activity under UV-A irradiation. In this work, PVDF-TiO₂ hollow fibers were prepared by employing new strategies for enhancing the stability of the TiO₂ dispersion, reducing particle agglomeration and improving their distribution. The spinning conditions for producing ultrafiltration hollow fiber membranes from PVDF material and nano-TiO₂ were investigated. Finally, the optimized fibers have been characterized and tested for methylene blue (MB) degradation in water and salty seawater, revealing good permeability, long-term stability under UV-A irradiation, and photo-catalytic activity in both test solutions.
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Affiliation(s)
- Francesco Galiano
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | - Xue Song
- Fraunhofer IGB, Nobelstrasse 12, 70569 Stuttgart, Germany.
| | - Tiziana Marino
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | | | - Omar Saoncella
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | - Silvia Simone
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | - Mirko Faccini
- LEITAT, C/de la Innovació, 2 08225 Terrassa (Barcelona), Spain.
| | | | - Enrico Drioli
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | - Alberto Figoli
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
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Janus graphene oxide nanosheet: A promising additive for enhancement of polymeric membranes performance prepared via phase inversion. J Colloid Interface Sci 2018; 527:10-24. [DOI: 10.1016/j.jcis.2018.05.012] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 05/05/2018] [Accepted: 05/07/2018] [Indexed: 01/23/2023]
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44
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Enhancing water permeability and fouling resistance of polyvinylidene fluoride membranes with carboxylated nanodiamonds. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2018.04.004] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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