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Jia TZ, Feng R, Cui C, Chen Q, Cseri L, Zhou RF, Szekely G, Cao XL, Sun SP. Conductive nanofiltration membranes via in situ PEDOT-polymerization for electro-assisted membrane fouling mitigation. Water Res 2024; 252:121251. [PMID: 38324983 DOI: 10.1016/j.watres.2024.121251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 01/15/2024] [Accepted: 01/31/2024] [Indexed: 02/09/2024]
Abstract
Nanofiltration (NF) membranes play a pivotal role in water treatment; however, the persistent challenge of membrane fouling hampers their stable application. This study introduces a novel approach to address this issue through the creation of a poly(3,4-ethylenedioxythiophene) (PEDOT)-based conductive membrane, achieved by synergistically coupling interfacial polymerization (IP) with in situ self-polymerization of EDOT. During the IP reaction, the concurrent generation of HCl triggers the protonation of EDOT, activating its self-polymerization into PEDOT. This interwoven structure integrates with the polyamide network to establish a stable selective layer, yielding a remarkable 90 % increase in permeability to 20.4 L m-2 h-1 bar-1. Leveraging the conductivity conferred by PEDOT doping, an electro-assisted cleaning strategy is devised, rapidly restoring the flux to 98.3 % within 5 min, outperforming the 30-minute pure water cleaning approach. Through simulations in an 8040 spiral-wound module and the utilization of the permeated salt solution for cleaning, the electro-assisted cleaning strategy emerges as an eco-friendly solution, significantly reducing water consumption and incurring only a marginal electricity cost of 0.055 $ per day. This work presents an innovative avenue for constructing conductive membranes and introduces an efficient and cost-effective electro-assisted cleaning strategy to effectively combat membrane fouling.
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Affiliation(s)
- Tian-Zhi Jia
- State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu Collaborative Innovation Center of Membrane Materials and Membrane Processes, Jiangsu Future Membrane Technology Innovation Center, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, China
| | - Ru Feng
- State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu Collaborative Innovation Center of Membrane Materials and Membrane Processes, Jiangsu Future Membrane Technology Innovation Center, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, China
| | - Chun Cui
- State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu Collaborative Innovation Center of Membrane Materials and Membrane Processes, Jiangsu Future Membrane Technology Innovation Center, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, China
| | - Qian Chen
- State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu Collaborative Innovation Center of Membrane Materials and Membrane Processes, Jiangsu Future Membrane Technology Innovation Center, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, China
| | - Levente Cseri
- Department of Chemical Engineering & Analytical Science, School of Engineering, The University of Manchester, The Mill, Sackville Street, Manchester, M1 3BB, United Kingdom
| | - Rong-Fei Zhou
- State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu Collaborative Innovation Center of Membrane Materials and Membrane Processes, Jiangsu Future Membrane Technology Innovation Center, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, China; Suzhou Laboratory, Suzhou 215100, China
| | - Gyorgy Szekely
- Department of Chemical Engineering & Analytical Science, School of Engineering, The University of Manchester, The Mill, Sackville Street, Manchester, M1 3BB, United Kingdom; Chemical Engineering Program, Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia; Advanced Membranes and Porous Materials Center, Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Xue-Li Cao
- State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu Collaborative Innovation Center of Membrane Materials and Membrane Processes, Jiangsu Future Membrane Technology Innovation Center, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, China.
| | - Shi-Peng Sun
- State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu Collaborative Innovation Center of Membrane Materials and Membrane Processes, Jiangsu Future Membrane Technology Innovation Center, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, China; Suzhou Laboratory, Suzhou 215100, China.
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Amini M, Nikkhoo M, Bagherzadeh M, Ahadian MM, Bayrami A, Naslhajian H, Karamjavan MH. High-Performance Novel MoS 2@Zeolite X Nanocomposite-Modified Thin-Film Nanocomposite Forward Osmosis Membranes: A Study of Desalination and Antifouling Performance. ACS Appl Mater Interfaces 2023; 15:39765-39776. [PMID: 37614003 DOI: 10.1021/acsami.3c03481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Abstract
Novel thin-film nanocomposite (TFN) membranes modified by the MoS2@Zeolite X nanocomposite were made and studied for desalination by the forward osmosis (FO) method. Herein, MoS2@Zeolite X nanocomposite (MoS2@Z) and zeolite X particles are integrated into the polyamide (PA) selective layer of the TFN membranes, separately. The aim of this study is the synthesis of nanocomposites containing hydrophilic zeolite X particles with a modified surface and pore and improvement of their effective properties on desalination and antifouling performance. For this purpose, MoS2 nanosheets with a high hydrophilicity were selected. The existence of polymer-matrix-compatible MoS2@Z inside the PA active layer caused the formation of a defect-free smooth surface with further channels within this layer that could increase the water flux and fouling resistance of the TFN membranes. The TFN-MZ2 membrane (containing 0.01 wt % MoS2@Z) showed the top desalination performance in the FO process. In contrast to the pristine thin-film composite (TFC) and TFN-Z2 membrane (containing 0.025 wt % zeolite X, the most optimal membrane among the zeolite-modified membranes), its water flux has increased by 2.6 and 1.8 times, respectively. Furthermore, in the fouling test, this optimal TFN-MZ2 membrane with a flux decrement of 19.6% revealed an ∼2.2- and 1.8-fold enhancement in antifouling tendency compared to the TFC and TFN-Z2, respectively. Also, based on the antibiofouling test, the water flux drop of 48.6% for the TFC membrane has reached 36.9% for the optimal membrane. Hence, this high-performance TFN-MZ2 membrane shows good capability for commercial employment in FO desalination application.
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Affiliation(s)
- Mojtaba Amini
- Department of Inorganic Chemistry, Faculty of Chemistry, University of Tabriz, P.O. Box 5166616471, Tabriz, Iran
| | - Mohammad Nikkhoo
- Department of Inorganic Chemistry, Faculty of Chemistry, University of Tabriz, P.O. Box 5166616471, Tabriz, Iran
- Institute for Nanoscience and Nanotechnology (INST), Sharif University of Technology, P.O. Box 1458889694, Tehran, Iran
| | - Mojtaba Bagherzadeh
- Chemistry Department, Sharif University of Technology, P.O. Box 1458889694, Tehran, Iran
| | - Mohammad Mahdi Ahadian
- Institute for Nanoscience and Nanotechnology (INST), Sharif University of Technology, P.O. Box 1458889694, Tehran, Iran
| | - Arshad Bayrami
- Chemistry Department, Sharif University of Technology, P.O. Box 1458889694, Tehran, Iran
| | - Hadi Naslhajian
- School of Chemistry, College of Science, University of Tehran, P.O. Box 1417935840, Tehran, Iran
- Department of Chemistry, Faculty of Science, University of Maragheh, P.O. Box 8311155181, Maragheh, Iran
| | - Mohammad Hasanzadeh Karamjavan
- East Azarbaijan's Water and Waste Water Company, P.O. Box 5166617365, Tabriz, Iran
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, P.O. Box 5166616471, Tabriz, Iran
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Suresh K, Nambikkattu J, Kaleekkal NJ, Lawrence K D. Custom-designed 3D printed feed spacers and TFN membranes with MIL-101(Fe) for water recovery by forward osmosis. Environ Technol 2023:1-31. [PMID: 37368861 DOI: 10.1080/09593330.2023.2231142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
ABSTRACTIn this work, a dual-pronged approach- (i) novel thin-film nanocomposite polyether sulfone (PES) membrane with MIL-101 (Fe) and (ii) 3D printed spacers were explored to enhance water recovery by forward osmosis. The concentration of PES, pore former, draw solution, and MIL-101(Fe) was optimized for maximum pure water flux (PWF) and minimum specific reverse solute flux (SRSF). The best membrane exhibited a PWF of 7.52 Lm-2h-1 and an SRSF of 0.33 ± 0.03 gL-1 using 1.5 M NaCl. The M22 membrane with the diamond-type spacer demonstrated a PWF of 2.53 Lm-2h-1 and SRF of 0.75 gL-1. The novel spacer design imparted significant turbulence to the feed flow and a lower foulant resistance of 1.3 m-1 as compared to the ladder type (1.5 m-1) or commercial spacer (1.7 m-1). This arrangement could recover 19% pure water within 12 h of operation (98% oil rejection) with a ∼ 94% flux recovery after water wash.
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Affiliation(s)
- K Suresh
- Department of Mechanical Engineering, National Institute of Technology Calicut Kerala - 673601, India
| | - Jenny Nambikkattu
- Membrane Separation Group, Department of Chemical Engineering, National Institute of Technology Calicut (NITC), Kerala - 673601, India
| | - Noel Jacob Kaleekkal
- Membrane Separation Group, Department of Chemical Engineering, National Institute of Technology Calicut (NITC), Kerala - 673601, India
| | - Deepak Lawrence K
- Department of Mechanical Engineering, National Institute of Technology Calicut Kerala - 673601, India
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Amiri S, Vatanpour V, He T. Antifouling thin-film nanocomposite NF membrane with polyvinyl alcohol-sodium alginate-graphene oxide nanocomposite hydrogel coated layer for As(III) removal. Chemosphere 2023; 322:138159. [PMID: 36812992 DOI: 10.1016/j.chemosphere.2023.138159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 02/10/2023] [Accepted: 02/13/2023] [Indexed: 06/18/2023]
Abstract
Removal of As(III) from the polluted waters is a challenge. It should be oxidized to As(V) for increasing its rejection by RO membranes. However, in this research, As (III) is directly removed by a high permeable and antifouling membrane prepared through the surface coating and in-situ crosslinking procedure of polyvinyl alcohol (PVA) and sodium alginate (SA) as coating materials containing graphene oxide as a hydrophilic additive on a polysulfone support with glutaraldehyde (GA) chemical crosslinking agent. The properties of the prepared membranes were evaluated through contact angle, zeta potential, ATR-FTIR, SEM, and AFM. The addition of GO in the polymeric networks of SA and PVA hydrogel coating layers led to a better hydrophilicity and a smoother surface and a higher negative surface charge resulted in improvment of permeability and rejection of membranes. Among the prepared hydrogel-coated modified membranes, SA-GO/PSf indicated the highest pure water permeability (15.8 L m-2 h-1 bar-1) and BSA permeability (9.57 L m-2 h-1 bar-1), respectively. The best desalination performance (NaCl, MgSO4, and Na2SO4 rejections of 60.0%, 74.5%, and 92.0%, respectively) and As(III) removal (88.4%) along with satisfactory stability and reusability in cyclic continuous filtration was reported for PVA-SA-GO membrane. In addition, the PVA-SA-GO membrane indicated improved fouling resistance toward BSA foulant with the lowest flux decline of 7%.
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Affiliation(s)
- Saba Amiri
- Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, 15719-14911, Tehran, Iran
| | - Vahid Vatanpour
- Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, 15719-14911, Tehran, Iran; National Research Center on Membrane Technologies, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey.
| | - Tao He
- Laboratory for Membrane Materials and Separation Technologies, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
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Tong Y, Wang Y, Bian S, Ge H, Xiao F, Li L, Gao C, Zhu G. Incorporating Ag@RF core-shell nanomaterials into the thin film nanocomposite membrane to improve permeability and long-term antibacterial properties for nanofiltration. Sci Total Environ 2022; 839:156231. [PMID: 35643139 DOI: 10.1016/j.scitotenv.2022.156231] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 05/20/2022] [Accepted: 05/21/2022] [Indexed: 06/15/2023]
Abstract
Ag@resorcinol-formaldehyde resin (Ag@RF) core-shell nanomaterials were prepared by Stöber method, and introduced into polyamide (PA) selective layer of thin-film nanocomposite (TFN) membranes through the interfacial polymerization (IP) process. Due to the abundant hydroxyl groups on the surface and suitable particle size, Ag@RF nanoparticles (Ag@RFs) could be uniformly dispersed in the piperazine aqueous solution and participate in the IP process to precisely regulate the microstructure of the PA selective layer. The resulting "crater structure" and irregular granular structure enlarged the permeable area and contributed to the surface hydrophilicity. For the nanofiltration application, the water flux of TFN membrane modified by Ag@RFs to Na2SO4 solution reached 150 L·m-2·h-1 which was 87.5% greater than TFC, and salt rejection was maintained. The antibacterial efficiency of the prepared TFN membrane on E. coli reached 99.6% in the antibacterial experiment. In addition, due to the special structure of Ag@RFs, the TFN membrane also showed an expected slow-release capability of Ag+, allowing for long-term anti-biofouling properties. This work demonstrates that Ag@RF core-shell nanoparticles with high compatibility of organic nanoparticles and antibacterial properties of Ag nanoparticles could be used as promising nanofillers for designing functional nanofiltration TFN membranes.
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Affiliation(s)
- Yunbo Tong
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Yanyi Wang
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Shengjun Bian
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Haochen Ge
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Fangkun Xiao
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Lingling Li
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Congjie Gao
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Guiru Zhu
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China.
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