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Liang S, Fu K, Li X, Wang Z. Unveiling the spatiotemporal dynamics of membrane fouling: A focused review on dynamic fouling characterization techniques and future perspectives. Adv Colloid Interface Sci 2024; 328:103179. [PMID: 38754212 DOI: 10.1016/j.cis.2024.103179] [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: 08/25/2023] [Revised: 03/12/2024] [Accepted: 05/03/2024] [Indexed: 05/18/2024]
Abstract
Membrane technology has emerged as a crucial method for obtaining clean water from unconventional sources in the face of water scarcity. It finds wide applications in wastewater treatment, advanced treatment, and desalination of seawater and brackish water. However, membrane fouling poses a huge challenge that limits the development of membrane-based water treatment technologies. Characterizing the dynamics of membrane fouling is crucial for understanding its development, mechanisms, and effective mitigation. Instrumental techniques that enable in situ or real-time characterization of the dynamics of membrane fouling provide insights into the temporal and spatial evolution of fouling, which play a crucial role in understanding the fouling mechanism and the formulation of membrane control strategies. This review consolidates existing knowledge about the principal advanced instrumental analysis technologies employed to characterize the dynamics of membrane fouling, in terms of membrane structure, morphology, and intermolecular forces. Working principles, applications, and limitations of each technique are discussed, enabling researchers to select appropriate methods for their specific studies. Furthermore, prospects for the future development of dynamic characterization techniques for membrane fouling are discussed, underscoring the need for continued research and innovation in this field to overcome the challenges posed by membrane fouling.
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Affiliation(s)
- Shuling Liang
- School of Environmental Science and Engineering, Shanghai Institute of Pollution Control and Ecological Security, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092, China
| | - Kunkun Fu
- School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai 200092, China
| | - Xuesong Li
- School of Environmental Science and Engineering, Shanghai Institute of Pollution Control and Ecological Security, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092, China.
| | - Zhiwei Wang
- School of Environmental Science and Engineering, Shanghai Institute of Pollution Control and Ecological Security, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092, China
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2
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Farahbakhsh J, Golgoli M, Khiadani M, Najafi M, Suwaileh W, Razmjou A, Zargar M. Recent advances in surface tailoring of thin film forward osmosis membranes: A review. CHEMOSPHERE 2024; 346:140493. [PMID: 37890801 DOI: 10.1016/j.chemosphere.2023.140493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 10/03/2023] [Accepted: 10/18/2023] [Indexed: 10/29/2023]
Abstract
The recent advancements in fabricating forward osmosis (FO) membranes have shown promising results in desalination and water treatment. Different methods have been applied to improve FO performance, such as using mixed or new draw solutions, enhancing the recovery of draw solutions, membrane modification, and developing FO-hybrid systems. However, reliable methods to address the current issues, including reverse salt flux, fouling, and antibacterial activities, are still in progress. In recent decades, surface modification has been applied to different membrane processes, including FO membranes. Introducing nanochannels, bioparticles, new monomers, and hydrophilic-based materials to the surface layer of FO membranes has significantly impacted their performance and efficiency and resulted in better control over fouling and concentration polarization (CP) in these membranes. This review critically investigates the recent developments in FO membrane processes and fabrication techniques for FO surface-layer modification. In addition, this study focuses on the latest materials and structures used for the surface modification of FO membranes. Finally, the current challenges, gaps, and suggestions for future studies in this field have been discussed in detail.
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Affiliation(s)
- Javad Farahbakhsh
- School of Engineering, Edith Cowan University, Joondalup, WA, 6027, Australia
| | - Mitra Golgoli
- School of Engineering, Edith Cowan University, Joondalup, WA, 6027, Australia
| | - Mehdi Khiadani
- School of Engineering, Edith Cowan University, Joondalup, WA, 6027, Australia
| | - Mohadeseh Najafi
- School of Engineering, Edith Cowan University, Joondalup, WA, 6027, Australia
| | - Wafa Suwaileh
- Chemical Engineering Program, Texas A&M University at Qatar, Education City, Doha, Qatar
| | - Amir Razmjou
- School of Engineering, Edith Cowan University, Joondalup, WA, 6027, Australia; School of Civil and Environmental Engineering, University of Technology Sydney (UTS), City Campus, Broadway, NSW, 2007, Australia; Mineral Recovery Research Center (MRRC), School of Engineering, Edith Cowan University, Joondalup, Perth, WA, 6027, Australia
| | - Masoumeh Zargar
- School of Engineering, Edith Cowan University, Joondalup, WA, 6027, Australia; Mineral Recovery Research Center (MRRC), School of Engineering, Edith Cowan University, Joondalup, Perth, WA, 6027, Australia.
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3
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Abuwatfa WH, AlSawaftah N, Darwish N, Pitt WG, Husseini GA. A Review on Membrane Fouling Prediction Using Artificial Neural Networks (ANNs). MEMBRANES 2023; 13:685. [PMID: 37505052 PMCID: PMC10383311 DOI: 10.3390/membranes13070685] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 06/29/2023] [Accepted: 07/11/2023] [Indexed: 07/29/2023]
Abstract
Membrane fouling is a major hurdle to effective pressure-driven membrane processes, such as microfiltration (MF), ultrafiltration (UF), nanofiltration (NF), and reverse osmosis (RO). Fouling refers to the accumulation of particles, organic and inorganic matter, and microbial cells on the membrane's external and internal surface, which reduces the permeate flux and increases the needed transmembrane pressure. Various factors affect membrane fouling, including feed water quality, membrane characteristics, operating conditions, and cleaning protocols. Several models have been developed to predict membrane fouling in pressure-driven processes. These models can be divided into traditional empirical, mechanistic, and artificial intelligence (AI)-based models. Artificial neural networks (ANNs) are powerful tools for nonlinear mapping and prediction, and they can capture complex relationships between input and output variables. In membrane fouling prediction, ANNs can be trained using historical data to predict the fouling rate or other fouling-related parameters based on the process parameters. This review addresses the pertinent literature about using ANNs for membrane fouling prediction. Specifically, complementing other existing reviews that focus on mathematical models or broad AI-based simulations, the present review focuses on the use of AI-based fouling prediction models, namely, artificial neural networks (ANNs) and their derivatives, to provide deeper insights into the strengths, weaknesses, potential, and areas of improvement associated with such models for membrane fouling prediction.
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Affiliation(s)
- Waad H Abuwatfa
- Materials Science and Engineering Ph.D. Program, College of Arts and Sciences, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
- Department of Chemical and Biological Engineering, College of Engineering, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
| | - Nour AlSawaftah
- Materials Science and Engineering Ph.D. Program, College of Arts and Sciences, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
- Department of Chemical and Biological Engineering, College of Engineering, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
| | - Naif Darwish
- Department of Chemical and Biological Engineering, College of Engineering, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
| | - William G Pitt
- Chemical Engineering Department, Brigham Young University, Provo, UT 84602, USA
| | - Ghaleb A Husseini
- Materials Science and Engineering Ph.D. Program, College of Arts and Sciences, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
- Department of Chemical and Biological Engineering, College of Engineering, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
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4
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Tan B, He Z, Fang Y, Zhu L. Removal of organic pollutants in shale gas fracturing flowback and produced water: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 883:163478. [PMID: 37062313 DOI: 10.1016/j.scitotenv.2023.163478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 03/28/2023] [Accepted: 04/09/2023] [Indexed: 06/03/2023]
Abstract
Shale gas has been developed as an alternative to conventional energy worldwide, resulting in a large amount of shale gas fracturing flowback and produced water (FPW). Previous studies focus on total dissolved solids reduction using membrane desalination. However, there is a lack of efficient and stable techniques to remove organic pollutants, resulting in severe membrane fouling in downstream processes. This review focuses on the concentration and chemical composition of organic matter in shale gas FPW in China, as well as the hazards of organic pollutants. Organic removal techniques, including advanced oxidation processes, coagulation, sorption, microbial degradation, and membrane treatment are systematically reviewed. In particular, the influences of high salt on each technique are highlighted. Finally, different treatment techniques are evaluated in terms of energy consumption, cost, and organic removal efficiency. It is concluded that integrated coagulation-sorption-Fenton-membrane filtration represents a promising treatment process for FPW. This review provides valuable information for the feasible design, practical operation, and optimization of FPW treatment.
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Affiliation(s)
- Bin Tan
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, China; Hangzhou Shangtuo Environmental Technology Co., Ltd, Hangzhou 311121, China
| | - Zhengming He
- School of Environment and Chemical Engineering, Heilongjiang University of Science and Technology, Harbin 150022, China
| | - Yuchun Fang
- Hangzhou Shangtuo Environmental Technology Co., Ltd, Hangzhou 311121, China
| | - Lizhong Zhu
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, China; Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou, Zhejiang 310058, China.
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5
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Tong T, Liu X, Li T, Park S, Anger B. A Tale of Two Foulants: The Coupling of Organic Fouling and Mineral Scaling in Membrane Desalination. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:7129-7149. [PMID: 37104038 DOI: 10.1021/acs.est.3c00414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Membrane desalination that enables the harvesting of purified water from unconventional sources such as seawater, brackish groundwater, and wastewater has become indispensable to ensure sustainable freshwater supply in the context of a changing climate. However, the efficiency of membrane desalination is greatly constrained by organic fouling and mineral scaling. Although extensive studies have focused on understanding membrane fouling or scaling separately, organic foulants commonly coexist with inorganic scalants in the feedwaters of membrane desalination. Compared to individual fouling or scaling, combined fouling and scaling often exhibits different behaviors and is governed by foulant-scalant interactions, resembling more complex but practical scenarios than using feedwaters containing only organic foulants or inorganic scalants. In this critical review, we first summarize the performance of membrane desalination under combined fouling and scaling, involving mineral scales formed via both crystallization and polymerization. We then provide the state-of-the-art knowledge and characterization techniques pertaining to the molecular interactions between organic foulants and inorganic scalants, which alter the kinetics and thermodynamics of mineral nucleation as well as the deposition of mineral scales onto membrane surfaces. We further review the current efforts of mitigating combined fouling and scaling via membrane materials development and pretreatment. Finally, we provide prospects for future research needs that guide the design of more effective control strategies for combined fouling and scaling to improve the efficiency and resilience of membrane desalination for the treatment of feedwaters with complex compositions.
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Affiliation(s)
- Tiezheng Tong
- Department of Civil and Environmental Engineering, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Xitong Liu
- Department of Civil and Environmental Engineering, George Washington University, Washington, D.C. 20052, United States
| | - Tianshu Li
- Department of Civil and Environmental Engineering, George Washington University, Washington, D.C. 20052, United States
| | - Shinyun Park
- Department of Civil and Environmental Engineering, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Bridget Anger
- Department of Civil and Environmental Engineering, George Washington University, Washington, D.C. 20052, United States
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6
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Ly QV, Cui L, Asif MB, Khan W, Nghiem LD, Hwang Y, Zhang Z. Membrane-based nanoconfined heterogeneous catalysis for water purification: A critical review ✰. WATER RESEARCH 2023; 230:119577. [PMID: 36638735 DOI: 10.1016/j.watres.2023.119577] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 12/31/2022] [Accepted: 01/04/2023] [Indexed: 06/17/2023]
Abstract
Progress in heterogeneous advanced oxidation processes (AOPs) is hampered by several issues including mass transfer limitation, limited diffusion of short-lived reactive oxygen species (ROS), aggregation of nanocatalysts, and loss of nanocatalysts to treated water. These issues have been addressed in recent studies by executing the heterogeneous AOPs in confinement, especially in the nanopores of catalytic membranes. Under nanoconfinement (preferably at the length of less than 25 nm), the oxidant-nanocatalyst interaction, ROS-micropollutant interaction and diffusion of ROS have been observed to significantly improve, which results in enhanced ROS yield and mass transfer, improved reaction kinetics and reduced matrix effect as compared to conventional heterogenous AOP configuration. Given the significance of nanoconfinement effect, this study presents a critical review of the current status of membrane-based nanoconfined heterogeneous catalysis system for the first time. A succinct overview of the nanoconfinement concept in the context of membrane-based nanofluidic platforms is provided to elucidate the theoretical and experimental findings related to reaction kinetics, reaction mechanisms and molecule transport in membrane-based nanoconfined AOPs vs. conventional AOPs. In addition, strategies to construct membrane-based nanoconfined catalytic systems are explained along with conflicting arguments/opinions, which provides critical information on the viability of these strategies and future research directions. To show the desirability and applicability of membrane-based nanoconfined catalysis systems, performance governing factors including operating conditions and water matrix effect are particularly focused. Finally, this review presents a systematic account of the opportunities and technological constraints in the development of membrane-based nanoconfined catalytic platform to realize effective micropollutant elimination in water treatment.
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Affiliation(s)
- Quang Viet Ly
- Institute of Environmental Engineering & Nano-Technology, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, Guangdong, China; Guangdong Provincial Engineering Research Center for Urban Water Recycling and Environmental Safety, Tsinghua-Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, Guangdong, China; School of Environment, Tsinghua University, Beijing 100084, China; Department of Environmental Engineering, Seoul National University of Science and Technology, 01811 Seoul, Republic of Korea
| | - Lele Cui
- Institute of Environmental Engineering & Nano-Technology, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, Guangdong, China; Guangdong Provincial Engineering Research Center for Urban Water Recycling and Environmental Safety, Tsinghua-Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, Guangdong, China; School of Environment, Tsinghua University, Beijing 100084, China
| | - Muhammad Bilal Asif
- Advanced Membranes and Porous Materials Center (AMPMC), Physical Sciences and Engineering (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
| | - Waris Khan
- Guangdong Provincial Engineering Research Center for Urban Water Recycling and Environmental Safety, Tsinghua-Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, Guangdong, China; School of Environment, Tsinghua University, Beijing 100084, China
| | - Long D Nghiem
- Centre for Technology in Water and Wastewater, University of Technology Sydney, Ultimo NSW 2007, Australia
| | - Yuhoon Hwang
- Department of Environmental Engineering, Seoul National University of Science and Technology, 01811 Seoul, Republic of Korea
| | - Zhenghua Zhang
- Institute of Environmental Engineering & Nano-Technology, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, Guangdong, China; Guangdong Provincial Engineering Research Center for Urban Water Recycling and Environmental Safety, Tsinghua-Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, Guangdong, China; School of Environment, Tsinghua University, Beijing 100084, China.
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7
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Singh SK, Sharma C, Maiti A. Modeling and experimental validation of forward osmosis process: Parameters selection, permeate flux prediction, and process optimization. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2023.121439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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8
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Golgoli M, Khiadani M, Sen TK, Razmjou A, Johns ML, Zargar M. Synergistic effects of microplastics and organic foulants on the performance of forward osmosis membranes. CHEMOSPHERE 2023; 311:136906. [PMID: 36270521 DOI: 10.1016/j.chemosphere.2022.136906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 10/12/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
Microplastics (MPs) are emerging contaminants that are abundantly present in the influent and effluent of wastewater treatment plants (WWTPs). Forward osmosis (FO) is an advanced treatment technology with potential applications in WWTPs. The presence of MPs in WWTP effluents can contribute to FO fouling and performance deterioration. This study focuses on FO membrane fouling by MPs of different sizes, and the interactional impacts of MPs and Humic acid (HA) (as the most common organic foulant in WWTPs) on FO membrane performance. The synergistic effect of combined MPs and HA fouling is shown to cause higher flux decline for FO membranes than that of HA or MPs alone. Reverse salt flux increased in the presence of MPs, and decreased when HA was present. Further, full flux recovery was obtained for all fouled membranes after hydraulic cleaning. This indicates the efficiency of FO systems for treating wastewater with high fouling potential. This study highlights the necessity of considering MPs in studying fouling behaviour, and for mitigation strategies of membranes used in WWT. The fundamentals created here can be further extended to other membrane-assisted separation processes.
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Affiliation(s)
- Mitra Golgoli
- School of Engineering, Edith Cowan University, 270 Joondalup Drive, Joondalup, Perth, WA, 6027, Australia
| | - Mehdi Khiadani
- School of Engineering, Edith Cowan University, 270 Joondalup Drive, Joondalup, Perth, WA, 6027, Australia
| | - Tushar Kanti Sen
- Chemical Engineering Department, King Faisal University, P.O. Box: 380, Al-Ahsa, 31982, Saudi Arabia
| | - Amir Razmjou
- School of Engineering, Edith Cowan University, 270 Joondalup Drive, Joondalup, Perth, WA, 6027, Australia; UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, University of New South Wales, Sydney, NSW, 2052, Australia; Mineral Recovery Research Center (MRRC), School of Engineering, Edith Cowan University, Joondalup, Perth, WA 6027, Australia
| | - Michael L Johns
- Fluid Science & Resources Division, Department of Chemical Engineering, The University of Western Australia, Crawley, WA, 6009, Australia
| | - Masoumeh Zargar
- School of Engineering, Edith Cowan University, 270 Joondalup Drive, Joondalup, Perth, WA, 6027, Australia; Mineral Recovery Research Center (MRRC), School of Engineering, Edith Cowan University, Joondalup, Perth, WA 6027, Australia.
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9
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Ferby M, Zou S, He Z. Effects of draw solutes on an integrated forward osmosis-Microbial fuel cell system treating a synthetic wastewater. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2022; 94:e10802. [PMID: 36333995 DOI: 10.1002/wer.10802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/21/2022] [Accepted: 10/08/2022] [Indexed: 06/16/2023]
Abstract
Microbial fuel cells (MFCs) and forward osmosis (FO) are both attractive and versatile wastewater treatment technologies that possess disadvantageous qualities that prevent their optimal performance. This study aimed to investigate how draw solute selection for FO treatment would affect MFC performance in a coupled FO-MFC system. Two types of draw solutes, NH4 HCO3 and NaCl, were studied, and it was found that 1.0 M NH4 HCO3 (FO-MFC-A) and 0.68 M NaCl (FO-MFC-B) had similar water fluxes of 6.04 to 3.39 LMH and 6.25 to 3.54 LMH, respectively. The reverse salt flux from the draw decreased the feed solution resistance for both draw solutes, but the FO-MFC-A system (0.32 W m-2 ) had a higher maximum power density than the FO-MFC-B system (0.26 W m-2 ). The current density for the FO-MFC-B system increased due to continuous solution resistance decrease, whereas it remained constant for the FO-MFC-A. The difference in Coulombic efficiencies (32.8% vs. 25.6%) but similar Coulombic recoveries (10.2% vs. 11.4%) between the FO-MFC-A and FO-MFC-B systems suggested that the FO-MFC-A might have the inhibited microbial activity by high ammonium/ammonia. The FO-MFC-A system had the lower energy consumption for nutrient removal (2.01 kWh kg-1 NH4 + -N) and recovery (8.87 kWh kg-1 NH4 + -N). These results have shown that NH4 HCO3 as a draw solute can have advantages of higher power density, higher Coulombic efficiency, and recoverability for draw regeneration, but its potential inhibition on microbial activity must also be considered. PRACTITIONER POINTS: Forward osmosis can be connected to microbial fuel cells for wastewater treatment. Water recovery by forward osmosis can greatly reduce the wastewater volume to microbial fuel cells. Ammonium draw solutes can result in lower volumetric energy consumption. Ammonia inhabitation of anode microbes will decrease organic removal.
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Affiliation(s)
- Matthew Ferby
- Department of Energy, Environmental and Chemical Engineering, Washington University, St. Louis, MO, USA
| | - Shiqiang Zou
- Department of Civil and Environmental Engineering, Auburn University, Auburn, Alabama, USA
| | - Zhen He
- Department of Energy, Environmental and Chemical Engineering, Washington University, St. Louis, MO, USA
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10
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Tian M, Ma T, Goh K, Pei Z, Chong JY, Wang YN. Forward Osmosis Membranes: The Significant Roles of Selective Layer. MEMBRANES 2022; 12:membranes12100955. [PMID: 36295714 PMCID: PMC9607867 DOI: 10.3390/membranes12100955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/17/2022] [Accepted: 09/22/2022] [Indexed: 06/02/2023]
Abstract
Forward osmosis (FO) is a promising separation technology to overcome the challenges of pressure-driven membrane processes. The FO process has demonstrated profound advantages in treating feeds with high salinity and viscosity in applications such as brine treatment and food processing. This review discusses the advancement of FO membranes and the key membrane properties that are important in real applications. The membrane substrates have been the focus of the majority of FO membrane studies to reduce internal concentration polarization. However, the separation layer is critical in selecting the suitable FO membranes as the feed solute rejection and draw solute back diffusion are important considerations in designing large-scale FO processes. In this review, emphasis is placed on developing FO membrane selective layers with a high selectivity. The effects of porous FO substrates in synthesizing high-performance polyamide selective layer and strategies to overcome the substrate constraints are discussed. The role of interlayer in selective layer synthesis and the benefits of nanomaterial incorporation will also be reviewed.
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Affiliation(s)
- Miao Tian
- School of Ecology and Environment, Northwestern Polytechnical University, Xi’an 710072, China
| | - Tao Ma
- School of Ecology and Environment, Northwestern Polytechnical University, Xi’an 710072, China
| | - Kunli Goh
- Singapore Membrane Technology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Singapore 637141, Singapore
| | - Zhiqiang Pei
- Beijing Origin Water Membrane Technology Co., Ltd., Beijing 101417, China
| | - Jeng Yi Chong
- Singapore Membrane Technology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Singapore 637141, Singapore
| | - Yi-Ning Wang
- Singapore Membrane Technology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Singapore 637141, Singapore
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11
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Song J, Yan M, Ye J, Zheng S, Ee LY, Wang Z, Li J, Huang M. Research progress in external field intensification of forward osmosis process for water treatment: A critical review. WATER RESEARCH 2022; 222:118943. [PMID: 35952439 DOI: 10.1016/j.watres.2022.118943] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/30/2022] [Accepted: 08/01/2022] [Indexed: 06/15/2023]
Abstract
Forward osmosis (FO) is an emerging permeation-driven membrane technology that manifests advantages of low energy consumption, low operating pressure, and uncomplicated engineering compared to conventional membrane processes. The key issues that need to be addressed in FO are membrane fouling, concentration polarization (CP) and reverse solute diffusion (RSD). They can lead to problems about loss of draw solutes and reduced membrane lifetime, which not only affect the water treatment effectiveness of FO membranes, but also increase the economic cost. Current research has focused on FO membrane preparation and modification strategies, as well as on the selection of draw solutions. Unfortunately, these intrinsic solutions had limited success in unraveling these phenomena. In this paper, we provide a brief review of the current state of research on existing external field-assisted FO systems (including electric-, pressure-, magnetic-, ultrasonic-, light- and flow-assisted FO system), analyze their mitigation mechanisms for the above key problems, and explore potential research directions to aid in the further development of FO systems. This review aims to reveal the feasibility of the development of external field-assisted FO technology to achieve a more economical and efficient FO treatment process.
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Affiliation(s)
- Jialing Song
- College of Environmental Science and Engineering, Key Laboratory of Science & Technology of Eco-Textile, Ministry of Education, Donghua University, Shanghai 201620, China; Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Mengying Yan
- College of Environmental Science and Engineering, Key Laboratory of Science & Technology of Eco-Textile, Ministry of Education, Donghua University, Shanghai 201620, China
| | - Jingling Ye
- College of Environmental Science and Engineering, Key Laboratory of Science & Technology of Eco-Textile, Ministry of Education, Donghua University, Shanghai 201620, China
| | - Shengyang Zheng
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Liang Ying Ee
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Zhiwei Wang
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Jun Li
- College of Environmental Science and Engineering, Key Laboratory of Science & Technology of Eco-Textile, Ministry of Education, Donghua University, Shanghai 201620, China
| | - Manhong Huang
- College of Environmental Science and Engineering, Key Laboratory of Science & Technology of Eco-Textile, Ministry of Education, Donghua University, Shanghai 201620, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China; State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China.
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12
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Saud A, Saleem H, Zaidi SJ. Progress and Prospects of Nanocellulose-Based Membranes for Desalination and Water Treatment. MEMBRANES 2022; 12:membranes12050462. [PMID: 35629789 PMCID: PMC9147932 DOI: 10.3390/membranes12050462] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/19/2022] [Accepted: 04/20/2022] [Indexed: 12/10/2022]
Abstract
Membrane-based desalination has proved to be the best solution for solving the water shortage issues globally. Membranes are extremely beneficial in the effective recovery of clean water from contaminated water sources, however, the durability as well as the separation efficiency of the membranes are restricted by the type of membrane materials/additives used in the preparation processes. Nanocellulose is one of the most promising green materials for nanocomposite preparation due to its biodegradability, renewability, abundance, easy modification, and exceptional mechanical properties. This nanocellulose has been used in membrane development for desalination application in the recent past. The study discusses the application of membranes based on different nanocellulose forms such as cellulose nanocrystals, cellulose nanofibrils, and bacterial nanocellulose for water desalination applications such as nanofiltration, reverse osmosis, pervaporation, forward osmosis, and membrane distillation. From the analysis of studies, it was confirmed that the nanocellulose-based membranes are effective in the desalination application. The chemical modification of nanocellulose can definitely improve the surface affinity as well as the reactivity of membranes for the efficient separation of specific contaminants/ions.
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Affiliation(s)
- Asif Saud
- Center for Advanced Materials, Qatar University, Doha P.O. Box 2713, Qatar; (A.S.); (H.S.)
- Industrial Chemistry, Department of Chemistry, Aligarh Muslim University, Aligarh 202002, India
| | - Haleema Saleem
- Center for Advanced Materials, Qatar University, Doha P.O. Box 2713, Qatar; (A.S.); (H.S.)
| | - Syed Javaid Zaidi
- Center for Advanced Materials, Qatar University, Doha P.O. Box 2713, Qatar; (A.S.); (H.S.)
- Correspondence: ; Tel.: +974-44037723
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Jeevadason AW, Padmini S, Bharatiraja C, Kabeel AE. A review on diverse combinations and Energy-Exergy-Economics (3E) of hybrid solar still desalination. DESALINATION 2022; 527:115587. [DOI: 10.1016/j.desal.2022.115587] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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14
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Sibt-e-Hassan S, Hussain D, Mustafa G, Uddin Siddiqui G, Asiri YI, Uddin J, Ghulam Musharraf S. In-situ manipulation of gel layer fouling into gel layer membrane formation on porous supports for water treatment. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2021.103526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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Alkhouzaam A, Qiblawey H. Functional GO-based membranes for water treatment and desalination: Fabrication methods, performance and advantages. A review. CHEMOSPHERE 2021; 274:129853. [PMID: 33581397 DOI: 10.1016/j.chemosphere.2021.129853] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 01/27/2021] [Accepted: 01/31/2021] [Indexed: 06/12/2023]
Abstract
Graphene oxide (GO) and GO-based materials have gained a significant interest in the membrane synthesis and functionalization sector in the recent years. Inspired by their unique and tuneable properties, several GO-based nanomaterials have been investigated and utilized as effective nanofillers for various membranes in the water treatment, purification and desalination sectors. This paper comprehensively reviews the recent advances of GO utilization in pressure, concentration and thermal-driven membrane processes. A brief overview on GO particles, properties, synthesis and functionalization methods was provided. The conventional and the state-of-art fabrication methods of GO-based membranes were summarized and discussed, and consequently the GO-based membranes were classified into different categories. The applications, types, and the performance in terms of flux and rejection were summarized and reviewed. The advantages of GO-based membranes in terms of antifouling properties, bactericidal effects, mechanical strength and stability have been reviewed, too. The review gives insights on the future perspectives of GO functional materials and their potential use in the various membrane processes discussed herein.
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Affiliation(s)
- Abedalkader Alkhouzaam
- Department of Chemical Engineering, College of Engineering, Qatar University, P. O. Box, 2713, Doha, Qatar
| | - Hazim Qiblawey
- Department of Chemical Engineering, College of Engineering, Qatar University, P. O. Box, 2713, Doha, Qatar.
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Jahangeer J, Garg MC, Sharma P. Effect of Hybridization of Nanofiltration and Reverse Osmosis Membrane on Inorganic Fouling Potential of Groundwater. WORLD ENVIRONMENTAL AND WATER RESOURCES CONGRESS 2021 2021. [DOI: 10.1061/9780784483466.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/20/2024]
Affiliation(s)
- Jahangeer Jahangeer
- Biological System Engineering, Univ. of Nebraska, Lincoln
- Amity Institute of Environmental Sciences, Amity Univ. Uttar Pradesh, Noida, Uttar Pradesh, India
- Ground Water Division, National Institute of Hydrology, Roorkee, Uttarakhand, India
| | - Manoj Chandra Garg
- Biological System Engineering, Univ. of Nebraska, Lincoln
- Amity Institute of Environmental Sciences, Amity Univ. Uttar Pradesh, Noida, Uttar Pradesh, India
- Ground Water Division, National Institute of Hydrology, Roorkee, Uttarakhand, India
| | - Pinki Sharma
- Biological System Engineering, Univ. of Nebraska, Lincoln
- Amity Institute of Environmental Sciences, Amity Univ. Uttar Pradesh, Noida, Uttar Pradesh, India
- Ground Water Division, National Institute of Hydrology, Roorkee, Uttarakhand, India
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Akther N, Lin Y, Wang S, Phuntsho S, Fu Q, Ghaffour N, Matsuyama H, Shon HK. In situ ultrathin silica layer formation on polyamide thin-film composite membrane surface for enhanced forward osmosis performances. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118876] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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18
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Park S, Jeong YD, Lee JH, Kim J, Jeong K, Cho KH. 3D printed honeycomb-shaped feed channel spacer for membrane fouling mitigation in nanofiltration. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118665] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Fujioka T, Tra Ngo MT, Mochochoko T, Boivin S, Ohkuma N, Yasui H, Terashima M. Biofouling control of a forward osmosis membrane during single-pass pre-concentration of wastewater. CHEMOSPHERE 2020; 257:127263. [PMID: 32512337 DOI: 10.1016/j.chemosphere.2020.127263] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/27/2020] [Accepted: 05/29/2020] [Indexed: 06/11/2023]
Abstract
Pre-concentration of wastewater using a forward osmosis (FO) membrane prior to processing by an anaerobic digester can enhance biogas production. However, biofouling caused by microbes in wastewater remains a challenge. The study aimed to evaluate the efficacy of chloramination in mitigating the biofouling of an FO membrane during a single-pass concentration of primary wastewater effluent. Pre-disinfection at a chloramine dose of 22-121 mg/L successfully alleviated membrane fouling. Bacterial cell counts in the feed and concentrate showed that most of the bacterial cells in the wastewater were trapped on the membrane surface or spacer. The FO membrane surfaces in non-chloraminated/chloraminated systems were fully-covered by intact/damaged bacterial cells, respectively, indicating that chloramination effectively mitigated biofouling. However, due to high permeate-recovery and low cross-flow velocity in a single-pass concentration process, organic fouling on the membrane surface (and possibly on the interior wall of the membrane-pores) appeared to cause a gradual reduction in permeate-flux. This study demonstrated successful biofouling control using chloramination during a single-pass and high-recovery pre-concentration of primary wastewater effluent.
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Affiliation(s)
- Takahiro Fujioka
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan.
| | - My Thi Tra Ngo
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan
| | - Tanki Mochochoko
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan
| | - Sandrine Boivin
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan
| | - Naoki Ohkuma
- Water Reuse Promotion Center, 4-5 Nihonbashiyokoyamacho, Tokyo, 103-0003, Japan
| | - Hidenari Yasui
- Faculty of Environmental Engineering, The University of Kitakyushu, 1-1 Hibikino, Wakamatsu, Kitakyushu, Fukuoka, 808-0135, Japan
| | - Mitsuharu Terashima
- Faculty of Environmental Engineering, The University of Kitakyushu, 1-1 Hibikino, Wakamatsu, Kitakyushu, Fukuoka, 808-0135, Japan
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An X, Zhang K, Wang Z, Ly QV, Hu Y, Liu C. Improving the water permeability and antifouling property of the nanofiltration membrane grafted with hyperbranched polyglycerol. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118417] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Asamoah RB, Yaya A, Nbelayim P, Annan E, Onwona-Agyeman B. Development and Characterization of Clay-Nanocomposites for Water Purification. MATERIALS (BASEL, SWITZERLAND) 2020; 13:ma13173793. [PMID: 32867394 PMCID: PMC7504091 DOI: 10.3390/ma13173793] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/02/2020] [Accepted: 08/11/2020] [Indexed: 06/11/2023]
Abstract
In this work we propose a facile method of preparing cost-effective clay-metaloxide/metal (CuO/Ag and ZnO/Ag) composite pellets for an efficient water purification technique. Clay, with intrinsic antibacterial activity, served as a membrane support for different metaloxide/Ag nanoparticles (NPs) concentrations (2.5, 5 and 10 wt.%), as the active fillers. The effect of time (24 and 48 h) on the bactericidal activity of these pellets was also monitored. The clay-nanocomposite pellets were characterized using: X-ray diffraction, X-ray fluorescence, scanning electron microscopy, transmission electron microscopy, ultraviolet-visible (UV-Vis) spectrophotometry and nitrogen desorption analysis. The antibacterial activity performance was tested using E. coli and S. aureus strains of ATCC25922 and ATCC25923, respectively, in two aqueous media (nutrient broth and nutrient-free) by the colony-forming unit method. The results showed that the clay-CuO/Ag composite with a bandgap (1.24 eV) exhibited overall best performance under all conditions and time factors of ~100% efficiency in nutrient-free medium for all concentrations and times and 20-40% efficiency in nutrient broth for 24 h. The clay-ZnO/Ag with a bandgap of 2.88 eV showed no bactericidal activity in both media, except for that with 10 wt.% ZnO/Ag which showed 100% efficiency in nutrient-free medium after 24 h. All the synthesized composites showed 100% bactericidal efficiency in nutrient free medium after 48 h. These results indicate that, the clay/metaloxide/Ag could serve as efficient water purification technique, with a potential for large-scale commercialization.
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Ly QV, Matindi C, Kuvarega AT, Ngo HH, Le QV, Nam VH, Li J. Exploring the novel PES/malachite mixed matrix membrane to remove organic matter for water purification. Chem Eng Res Des 2020. [DOI: 10.1016/j.cherd.2020.05.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Zhang M, Jin W, Yang F, Duke M, Dong Y, Tang CY. Engineering a Nanocomposite Interlayer for a Novel Ceramic-Based Forward Osmosis Membrane with Enhanced Performance. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:7715-7724. [PMID: 32401501 DOI: 10.1021/acs.est.0c02809] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Rational design of a high-performance defect-free polyamide (PA) layer on a robust ceramic substrate is challenging for forward osmosis (FO) water treatment applications. In this study, we first demonstrated a robust ceramic-based thin-film composite (TFC) FO membrane by engineering a novel nanocomposite interlayer of titanium dioxide and carbon nanotube (TiO2/CNT). The structural morphologies and properties were systematically characterized for different substrates (without interlayer, with TiO2 interlayer, or with TiO2/CNT interlayer) and the corresponding ceramic-based TFC-FO membranes. Introduction of low roughness nanocomposite interlayers with decreased pore size created an interface with improved surface characteristics, favoring the formation of a defect-free nanovoid-containing PA layer with high cross-linking degree. The resulting ceramic-based FO membrane had a water permeability of approximately 2 L/(m2 h bar) and a NaCl rejection of 98%, showing simultaneous enhancements in both compared to the control membrane without an interlayer. Mechanism analysis indicates that such a special nanocomposite interlayer not only provided more active sites for the formation of a thinner defect-free nanovoid-containing PA layer without penetration into substrate but also acted as a highly porous three-dimensional network structure for rapid water transport. This work provides a novel protocol for rational design and fabrication of a high-performance multilayered inorganic FO membrane as well as extended applications in water treatment with enhanced performance.
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Affiliation(s)
- Mingming Zhang
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Wenbiao Jin
- School of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen 518055, China
| | - Fenglin Yang
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Mikel Duke
- Institute for Sustainable Industries & Liveable Cities, Victoria University, PO Box 14428, Melbourne, Australia
| | - Yingchao Dong
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Chuyang Y Tang
- Department of Civil Engineering, The University of Hong Kong, Pokfulam, Hong Kong, China
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Abstract
Organic fouling in the forward osmosis process is complex and influenced by different parameters in the forward osmosis such as type of feed and draw solution, operating conditions, and type of membrane. In this article, we reviewed organic fouling in the forward osmosis by focusing on wastewater treatment applications. Model organic foulants used in the forward osmosis literature were highlighted, which were followed by the characteristics of organic foulants when real wastewater was used as feed solution. The various physical and chemical cleaning protocols for the organic fouled membrane are also discussed. The study also highlighted the effective pre-treatment strategies that are effective in reducing the impact of organic fouling on the forward osmosis (FO) membrane. The efficiency of cleaning methods for the removal of organic fouling in the FO process was investigated, including recommendations on future cleaning technologies such as Ultraviolet and Ultrasound. Generally, a combination of physical and chemical cleaning is the best for restoring the water flux in the FO process.
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Jung J, Ryu J, Yu Y, Kweon J. Characteristics of organic fouling, reversibility by physical cleaning and concentrates in forward osmosis membrane processes for wastewater reclamation. CHEMOSPHERE 2020; 245:125787. [PMID: 31959357 DOI: 10.1016/j.chemosphere.2019.125787] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 12/24/2019] [Accepted: 12/28/2019] [Indexed: 06/10/2023]
Abstract
Numerous advantages of forward osmosis (FO) include operation at low or no hydraulic pressure, high rejection of a wide range of contaminants, and low irreversible fouling. The FO has been investigated to reduce effluent discharge in wastewater reclamation. The application of wastewater effluent as a feed stream to FO yields fouling on the active layer of the FO membrane. Fouling was examined using two compounds (i.e., alginate and humic acid) with distinguished hydrophobic properties. The repeated filtration and surface wash were applied and flux decline and reversibility of physical cleaning were evaluated. In addition, the characteristics of fouling cakes and concentrates were also analyzed. The foulants showed different behaviors in flux decline. The thick cake layer of alginate was obvious and the cake enhanced concentration polarization was also observed. The recovery results along with the FTIR spectra and FE-SEM images proved that the surface cleaning was not effective to detach foulants, especially for alginate fouling. The osmotic backwash showed greater flux recovery for alginate fouling than humic acid fouling, which indicated that restoring membrane pores or disturbing cake layers by osmotic backwash might be successful for the foulants for strong interactions between foulants and foulants. The concentrates were mostly composed of humic substances and low-molecular weight neutrals. The differences in the relative portions of the major components were occurred in the concentrates implying that the organic properties of the feed water and also interactions of foulants and membranes should be evaluated prior to determination of disposal options for concentrates.
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Affiliation(s)
- Jaehyun Jung
- Department of Environment and Energy, Sejong University, Seoul, 05006, Republic of Korea
| | - Junhee Ryu
- Department of Environmental Engineering, Konkuk University, Seoul, 05029, Republic of Korea
| | - Youngjae Yu
- Department of Chemical and Environmental Engineering, University of Arizona, Tucson, AZ, 85721, USA
| | - Jihyang Kweon
- Department of Environmental Engineering, Konkuk University, Seoul, 05029, Republic of Korea.
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Abstract
The use of forward osmosis (FO) for water purification purposes has gained extensive attention in recent years. In this review, we first discuss the advantages, challenges and various applications of FO, as well as the challenges in selecting the proper draw solution for FO, after which we focus on transport limitations in FO processes. Despite recent advances in membrane development for FO, there is still room for improvement of its selective layer and support. For many applications spiral wound membrane will not suffice. Furthermore, a defect-free selective layer is a prerequisite for FO membranes to ensure low solute passage, while a support with low internal concentration polarization is necessary for a high water flux. Due to challenges affiliated to interfacial polymerization (IP) on non-planar geometries, we discuss alternative approaches to IP to form the selective layer. We also explain that, when provided with a defect-free selective layer with good rejection, the membrane support has a dominant influence on the performance of an FO membrane, which can be estimated by the structural parameter (S). We emphasize the necessity of finding a new method to determine S, but also that predominantly the thickness of the support is the major parameter that needs to be optimized.
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Cai MH, Wu YP, Ji WX, Han YZ, Li Y, Wu JC, Shuang CD, Korshin GV, Li AM, Li WT. Characterizing property and treatability of dissolved effluent organic matter using size exclusion chromatography with an array of absorbance, fluorescence, organic nitrogen and organic carbon detectors. CHEMOSPHERE 2020; 243:125321. [PMID: 31733541 DOI: 10.1016/j.chemosphere.2019.125321] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 11/03/2019] [Accepted: 11/05/2019] [Indexed: 06/10/2023]
Abstract
In this study, size exclusion chromatography with an array of absorbance, fluorescence, organic nitrogen and organic carbon detectors was used for characterizing property and treatability of effluent organic matter (EfOM) from 12 wastewater treatment plants. According to their apparent molecular weight (AMW), EfOM fractions were assigned to biopolymers (>20 kDa), humic substances that comprise sub-fractions of humic-like acids (HA-I & HA-II, 2.3-7.0 kDa) and fulvic-like acids (FA, 1.5-2.3 kDa), building blocks (0.55-1.5 kDa) and low molecular weight neutral substances (<550 Da). The fractions of biopolymers and low molecular weight neutral substances didn't show humic-like fluorescence, while the fractions of HA-II, FA and building blocks usually had signatures of both humic-like and protein-like fluorescence. Humic substances generally contributed the largest proportion of dissolved organic carbon and nitrogen (DOC & DON) in effluents. Coagulation removed EfOM fractions following the order of biopolymers > HA subfraction > FA subfraction > building blocks, while little removal of protein-like fluorescence in HA-II and FA subfractions was detected. Anion exchange treatment could effectively reduce DOC and DON concentrations; the sequence of the treatment efficiency was humic substances > biopolymers > building blocks. Increasing O3 doses caused DOC and DON of EfOM to be gradually transformed from large AMW fractions into small AMW fractions, while chromophores and fluorophores in HA subfractions were relatively more refractory than those in the other fractions. Size exclusion chromatography with multiple detectors are suggested to be an informative technique for estimating treatability of EfOM by advanced wastewater treatment processes.
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Affiliation(s)
- Min-Hui Cai
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Ya-Ping Wu
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Wen-Xiang Ji
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Yu-Ze Han
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Yan Li
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China.
| | - Ji-Chun Wu
- Key Laboratory of Surficial Geochemistry Ministry of Education, School of Earth Sciences and Engineering, Nanjing University, Nanjing, 210023, China
| | - Chen-Dong Shuang
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Gregory V Korshin
- Department of Civil and Environmental Engineering, University of Washington, Seattle, WA, USA
| | - Ai-Min Li
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Wen-Tao Li
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China; Key Laboratory of Surficial Geochemistry Ministry of Education, School of Earth Sciences and Engineering, Nanjing University, Nanjing, 210023, China.
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Zhan M, Gwak G, Kim DI, Park K, Hong S. Quantitative analysis of the irreversible membrane fouling of forward osmosis during wastewater reclamation: Correlation with the modified fouling index. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2019.117757] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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A Review on the Mechanism, Impacts and Control Methods of Membrane Fouling in MBR System. MEMBRANES 2020; 10:membranes10020024. [PMID: 32033001 PMCID: PMC7073750 DOI: 10.3390/membranes10020024] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 01/29/2020] [Accepted: 01/30/2020] [Indexed: 12/26/2022]
Abstract
Compared with the traditional activated sludge process, a membrane bioreactor (MBR) has many advantages, such as good effluent quality, small floor space, low residual sludge yield and easy automatic control. It has a promising prospect in wastewater treatment and reuse. However, membrane fouling is the biggest obstacle to the wide application of MBR. This paper aims at summarizing the new research progress of membrane fouling mechanism, control, prediction and detection in the MBR systems. Classification, mechanism, influencing factors and control of membrane fouling, membrane life prediction and online monitoring of membrane fouling are discussed. The research trends of relevant research areas in MBR membrane fouling are prospected.
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Zhang S, Ly QV, Nghiem LD, Wang J, Li J, Hu Y. Optimization and organic fouling behavior of zwitterion-modified thin-film composite polyamide membrane for water reclamation: A comprehensive study. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2019.117748] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Boullosa-Falces D, García S, Sanz D, Trueba A, Gomez-Solaetxe MA. CUSUM chart method for continuous monitoring of antifouling treatment of tubular heat exchangers in open-loop cooling seawater systems. BIOFOULING 2020; 36:73-85. [PMID: 31985280 DOI: 10.1080/08927014.2020.1715954] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 01/02/2020] [Accepted: 01/05/2020] [Indexed: 06/10/2023]
Abstract
A CUSUM chart method is presented as an alternative tool for continuous monitoring of an electromagnetic field-based (EMF) antifouling (AF) treatment of a heat exchanger cooled by seawater. During an initial experimental phase, biofilm growth was allowed in a heat exchanger formed of four tubes until sufficient growth had been established. In two of the tubes, continuous EMF treatment was then applied. The heat transfer resistance and heat duty (heat transfer per unit time) results showed that biofilm adhesion was reduced by the EMF treatment. EMF treatments resulted in a 35% improvement in the heat transfer resistance values. The proposed CUSUM chart method showed that the EMF treatment increased the useful life of the heat exchanger by ∼20 days. Thus, CUSUM charts proved to be an efficient tool for continuous monitoring of an AF treatment using data collected online and can also be used to reduce operation and maintenance costs.
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Affiliation(s)
- David Boullosa-Falces
- Department of Nautical Sciences and Marine Systems Engineering, University of the Basque Country UPV/EHU, Portugalete, Spain
| | - Sergio García
- Department of Sciences & Techniques of Navigation and Ship Construction, University of Cantabria, Santander, Spain
| | - David Sanz
- Department of Sciences & Techniques of Navigation and Ship Construction, University of Cantabria, Santander, Spain
| | - Alfredo Trueba
- Department of Sciences & Techniques of Navigation and Ship Construction, University of Cantabria, Santander, Spain
| | - Miguel Angel Gomez-Solaetxe
- Department of Nautical Sciences and Marine Systems Engineering, University of the Basque Country UPV/EHU, Portugalete, Spain
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Hao X, Gao S, Tian J, Wang S, Zhang H, Sun Y, Shi W, Cui F. New insights into the organic fouling mechanism of an in situ Ca 2+ modified thin film composite forward osmosis membrane. RSC Adv 2019; 9:38227-38234. [PMID: 35541777 PMCID: PMC9075835 DOI: 10.1039/c9ra06272f] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 11/18/2019] [Indexed: 12/04/2022] Open
Abstract
In this study, the effect of organic substances on the fouling behavior of a thin film composite (TFC) membrane with in situ Ca2+ addition (TFC-Ca membrane) was evaluated. Bovine serum albumin (BSA), humic acid (HA) and sodium alginate (SA) were used as surrogate foulants for protein, natural organic substances and polysaccharides, respectively, thus enabling the analysis of foulant–membrane interaction in the membrane fouling process. Fouling experiments were carried out and the fouling mechanism was investigated by extended Derjaguin–Landau–Verwey–Overbeek (XDLVO) theory. SEM-EDX, ICP-OES and TOC analysis were applied to characterize the fouled TFC-Ca membrane. Results suggested that the interfacial free energies obtained from advanced contact angle measurements were correlated strongly with the rates of membrane fouling. In situ Ca2+ addition in the TFC membrane resulted in the decrease of the interfacial adhesion free energy (i.e., foulant–membrane interaction) and thus the mitigation of membrane fouling. The permeate flux of TFC-Ca FO membrane after organic fouling could be fully restored by simple physical cleaning. The antifouling mechanism of Ca2+ pre-binding carboxyl groups in the TFC-Ca FO membrane was demonstrated, which provides new insights into the development of antifouling TFC membranes in the future. In this study, the effect of organic substances on the fouling behavior of a thin film composite (TFC) membrane with in situ Ca2+ addition (TFC-Ca membrane) was evaluated.![]()
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Affiliation(s)
- Xiujuan Hao
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology Harbin 150090 China
| | - Shanshan Gao
- School of Civil Engineering and Transportation, Hebei University of Technology Tianjin 300401 China
| | - Jiayu Tian
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology Harbin 150090 China .,School of Civil Engineering and Transportation, Hebei University of Technology Tianjin 300401 China
| | - Songxue Wang
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology Harbin 150090 China
| | - Huizhong Zhang
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology Harbin 150090 China
| | - Yan Sun
- School of Civil Engineering, Chang'an University Xi'an 710061 China
| | - Wenxin Shi
- College of Urban Construction and Environmental Engineering, Chongqing University Chongqing 400044 China
| | - Fuyi Cui
- College of Urban Construction and Environmental Engineering, Chongqing University Chongqing 400044 China
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Recent Progresses of Forward Osmosis Membranes Formulation and Design for Wastewater Treatment. WATER 2019. [DOI: 10.3390/w11102043] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Production of potable water or reclaimed water with higher quality are in demand to address water scarcity issues as well as to meet the expectation of stringent water quality standards. Forward osmosis (FO) provides a highly promising platform for energy-efficient membrane-based separation technology. This emerging technology has been recognized as a potential and cost-competitive alternative for many conventional wastewater treatment technologies. Motivated by its advantages over existing wastewater treatment technologies, the interest of applying FO technology for wastewater treatment has increased significantly in recent years. This article focuses on the recent developments and innovations in FO for wastewater treatment. An overview of the potential of FO in various wastewater treatment application will be first presented. The contemporary strategies used in membrane designs and fabrications as well as the efforts made to address membrane fouling are comprehensively reviewed. Finally, the challenges and future outlook of FO for wastewater treatment are highlighted.
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