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Al-Shaeli M, Benkhaya S, Al-Juboori RA, Koyuncu I, Vatanpour V. pH-responsive membranes: Mechanisms, fabrications, and applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 946:173865. [PMID: 38880142 DOI: 10.1016/j.scitotenv.2024.173865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 05/31/2024] [Accepted: 06/07/2024] [Indexed: 06/18/2024]
Abstract
Understanding the mechanisms of pH-responsiveness allows researchers to design and fabricate membranes with specific functionalities for various applications. The pH-responsive membranes (PRMs) are particular categories of membranes that have an amazing aptitude to change their properties such as permeability, selectivity and surface charge in response to changes in pH levels. This review provides a brief introduction to mechanisms of pH-responsiveness in polymers and categorizes the applied polymers and functional groups. After that, different techniques for fabricating pH-responsive membranes such as grafting, the blending of pH-responsive polymers/microgels/nanomaterials, novel polymers and graphene-layered PRMs are discussed. The application of PRMs in different processes such as filtration membranes, reverse osmosis, drug delivery, gas separation, pervaporation and self-cleaning/antifouling properties with perspective to the challenges and future progress are reviewed. Lastly, the development and limitations of PRM fabrications and applications are compared to provide inclusive information for the advancement of next-generation PRMs with improved separation and filtration performance.
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Affiliation(s)
- Muayad Al-Shaeli
- Paul Wurth Chair, Faculty of Science, Technology and Medicine, University of Luxembourg, Avenue de l'Universit'e, L-4365 Esch-sur-Alzette, Luxembourg
| | - Said Benkhaya
- Department of Civil and Environmental Engineering, Shantou University, Shantou, Guangdong 515063, China
| | - Raed A Al-Juboori
- NYUAD Water Research Center, New York University Abu Dhabi, P.O. Box 129188, Abu Dhabi, United Arab Emirates
| | - Ismail Koyuncu
- National Research Center on Membrane Technologies, Istanbul Technical University, Maslak, Turkey; Department of Environmental Engineering, Istanbul Technical University, Maslak, Istanbul 34469, Turkey
| | - Vahid Vatanpour
- Department of Environmental Engineering, Istanbul Technical University, Maslak, Istanbul 34469, Turkey; Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, 15719-14911 Tehran, Iran.
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2
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Ruzvidzo KH, Kaur R, Jain M. Enhanced forward osmosis desalination of brackish water using phase-separating ternary organic draw solutions of hydroxypropyl cellulose and propylene glycol propyl ether. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2024; 96:e11110. [PMID: 39155465 DOI: 10.1002/wer.11110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 07/12/2024] [Accepted: 07/29/2024] [Indexed: 08/20/2024]
Abstract
This study introduces draw solutions for application in forward osmosis (FO) processes, combining mono propylene glycol propyl ether (PGPE) with the cellulose derivative hydroxypropyl cellulose (HPC). A total of 16 unique single-solute and ternary organic draw solutions were prepared and evaluated, leading to the selection of three promising solutions for further investigation. Notably, eight of the initial organic draw solutions demonstrated osmotic pressures exceeding 2.4 MPa. The dynamic viscosities of all draw solutions exhibited a significant reduction with increasing temperature. Among the investigated solutions, the 0.25HPC-3.75PGPE demonstrated the most favorable FO performance, achieving average experimental water fluxes of 11.062 and 9.852 Lm-2 h-1 (LMH) against a 1 g/L NaCl brackish feed solution across two FO runs. PRACTITIONER POINTS: Hydroxypropyl cellulose (HPC, MW ~100,000) was mixed with propylene glycol propyl ether (PGPE) as draw solutes for FO processes. Seven combinations of HPC and PGPE produced osmolalities greater than 1000 mOsm/kg. 0.5HPC-7.5PGPE ternary draw solution achieved experimental water fluxes of 11.062 and 9.852 LMH against 1 g/L NaCl brackish feed solution. Leveraging the LCSTs of these ternary organic solutions holds promise for improved separation and regeneration processes.
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Affiliation(s)
| | - Raminder Kaur
- Department of Applied Chemistry, Delhi Technological University, New Delhi, India
| | - Manish Jain
- Department of Applied Chemistry, Delhi Technological University, New Delhi, India
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3
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Li S, Duan L, Zhang H, Zhao Y, Li M, Jia Y, Gao Q, Yu H. Critical review on salt tolerance improvement and salt accumulation inhibition strategies of osmotic membrane bioreactors. BIORESOURCE TECHNOLOGY 2024; 406:130957. [PMID: 38876283 DOI: 10.1016/j.biortech.2024.130957] [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: 04/29/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 06/16/2024]
Abstract
The osmotic membrane bioreactor (OMBR) is a novel wastewater treatment and resource recovery technology combining forward osmosis (FO) and membrane bioreactor. It has attracted attention for its low energy consumption and high contaminant removal performance. However, in the long-term operation, OMBR faces the problem of salt accumulation due to high salt rejection and reverse salt flux, which affects microbial activity and contaminants removal efficiency. This review analyzed the feasibility of screening salt-tolerant microorganisms and determining salinity thresholds to improve the salt tolerance of OMBR. Combined with recent research, the inhibition strategies for salt accumulation were reviewed, including the draw solution, FO membrane, operating conditions and coupling with other systems. It is hoped to provide a theoretical basis and practical guidance for the further development of OMBR. Finally, future research directions were prospected. This review provides new insights for achieving stable operation of OMBR and promotes its wide application.
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Affiliation(s)
- Shilong Li
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China; Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China
| | - Liang Duan
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China; Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China.
| | - Hengliang Zhang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China; Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China
| | - Yang Zhao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China; Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China
| | - Mingyue Li
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China; Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China
| | - Yanyan Jia
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China; Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China
| | - Qiusheng Gao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China; Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China
| | - Huibin Yu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China; Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China
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4
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Xu HY, Yang X, Yu R, Zuo T, Liu Q, Jia S, Jia LY. Adsorption properties of cellulose-derived hydrogel and magnetic hydrogels from Sophora flavescens on Cu 2+ and Congo red. Int J Biol Macromol 2024; 274:133209. [PMID: 38906348 DOI: 10.1016/j.ijbiomac.2024.133209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 05/11/2024] [Accepted: 06/14/2024] [Indexed: 06/23/2024]
Abstract
This study synthesized a robust, magnetically responsive hydrogel from Sophora flavescens-modified cellulose and chitosan, employing Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), thermogravimetric analysis (TGA and DTG), and scanning electron microscopy (SEM) to confirm the preservation of cellulose's intrinsic properties and the hydrogel's remarkable elasticity, toughness, and porosity. These hydrogels integrate cellulose's structural backbone with functional moieties from chitosan, enhancing adsorption capabilities for Cu2+ ions and Congo red (CR) dye. Kinetic and thermodynamic analyses reveal that adsorption is spontaneous and endothermic, following a pseudo-second-order model and the Freundlich isotherm. Notably, Cu2+ adsorption capacity increases with pH, while CR adsorption initially decreases before rising, demonstrating the hydrogels' potential as effective, sustainable adsorbents for removing pollutants from water.
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Affiliation(s)
| | - XianWen Yang
- Third Institute of Oceanography, Ministry of Natural Resources, China
| | - RunPing Yu
- Shenyang Pharmaceutical University, China
| | - Ting Zuo
- Shenyang Pharmaceutical University, China
| | - QiuYue Liu
- Shenyang Pharmaceutical University, China
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5
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He Z, Miller CJ, Zhu Y, Wang Y, Fletcher J, Waite TD. Membrane capacitive deionization (MCDI): A flexible and tunable technology for customized water softening. WATER RESEARCH 2024; 259:121871. [PMID: 38852388 DOI: 10.1016/j.watres.2024.121871] [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: 02/28/2024] [Revised: 05/20/2024] [Accepted: 06/02/2024] [Indexed: 06/11/2024]
Abstract
There is a growing demand for water treatment systems for which the quality of feedwater in and product water out are not necessarily fixed with "tunable" technologies essential in many instances to satisfy the unique requirements of particular end-users. For example, in household applications, the optimal water hardness differs for particular end uses of the supplied product (such as water for potable purposes, water for hydration, or water for coffee or tea brewing) with the inclusion of specific minerals enhancing the suitability of the product in each case. However, conventional softening technologies are not dynamically flexible or tunable and, typically, simply remove all hardness ions from the feedwater. Membrane capacitive deionization (MCDI) can potentially fill this gap with its process flexibility and tunability achieved by fine tuning different operational parameters. In this article, we demonstrate that constant-current MCDI can be operated flexibly by increasing or decreasing the current and flow rate simultaneously to achieve the same desalination performance but different productivity whilst maintaining high water recovery. This characteristic can be used to operate MCDI in an energy-efficient manner to produce treated water more slowly at times of normal demand but more rapidly at times of peak demand. We also highlight the "tunability" of MCDI enabling the control of effluent hardness over different desired ranges by correlating the rates of hardness and conductivity removal using a power function model. Using this model, it is possible to either i) soften water to the same hardness level regardless of the fluctuation in hardness of feed waters, or ii) precisely control the effluent hardness at different levels to avoid excessive or insufficient hardness removal.
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Affiliation(s)
- Zhizhao He
- UNSW Centre for Transformational Environmental Technologies, Yixing, Jiangsu Province 214206, PR China; School of Civil and Environmental Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Christopher J Miller
- School of Civil and Environmental Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Yunyi Zhu
- UNSW Centre for Transformational Environmental Technologies, Yixing, Jiangsu Province 214206, PR China; School of Civil and Environmental Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Yuan Wang
- UNSW Centre for Transformational Environmental Technologies, Yixing, Jiangsu Province 214206, PR China; School of Civil and Environmental Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - John Fletcher
- School of Electrical Engineering and Telecommunications, UNSW Sydney, Sydney 2052, Australia
| | - T David Waite
- UNSW Centre for Transformational Environmental Technologies, Yixing, Jiangsu Province 214206, PR China; School of Civil and Environmental Engineering, University of New South Wales, Sydney, NSW 2052, Australia.
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6
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Yanar N, Park S, Yang E, Choi H. Surface Fouling Characterization Methods for Polymeric Membranes Using a Short Experimental Study. Polymers (Basel) 2024; 16:2124. [PMID: 39125150 PMCID: PMC11314550 DOI: 10.3390/polym16152124] [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: 05/30/2024] [Revised: 07/12/2024] [Accepted: 07/23/2024] [Indexed: 08/12/2024] Open
Abstract
Membrane surface fouling has always been a critical issue for the long-term operation of polymeric membranes. Therefore, it is crucial to develop new approaches to prevent fouling. While developing new approaches, characterization methods are greatly important for understanding the distribution of fouling on the membrane surface. In this work, a cellulose acetate membrane was fouled by the filtration of artificial wastewater based on alginate. The surfaces of fouled membranes were characterized through scanning electron microscopy (SEM), confocal laser scanning microscopy (CLSM), atomic force microscopy (AFM), and white light interferometry (WLI). The results were then compared in terms of the resolution, accuracy, feasibility, and cost-efficiency.
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Affiliation(s)
- Numan Yanar
- R&D Center, NAiEEL Technology, 6-2 Yuseongdaero 1205, Daejeon 34104, Republic of Korea
| | - Shinyun Park
- Department of Civil and Environmental Engineering, Colorado State University, Fort Collins, CO 80523, USA;
| | - Eunmok Yang
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology (GIST), 261 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea;
| | - Heechul Choi
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology (GIST), 261 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea;
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Taghipour A, Karami P, Manikantan Sandhya M, Sadrzadeh M. An Innovative Surface Modification Technique for Antifouling Polyamide Nanofiltration Membranes. ACS APPLIED MATERIALS & INTERFACES 2024; 16:37197-37211. [PMID: 38959422 DOI: 10.1021/acsami.4c06082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/05/2024]
Abstract
In this study, we developed a novel surface coating technique to modify the surface chemistry of thin film composite (TFC) nanofiltration (NF) membranes, aiming to mitigate organic fouling while maintaining the membrane's permselectivity. We formed a spot-like polyester (PE) coating on top of a polyamide (PA) TFC membrane using mist-based interfacial polymerization. This process involved exposing the membrane surface to tiny droplets carrying different concentrations of sulfonated kraft lignin (SKL, 3, 5, and 7 wt %) and trimesoyl chloride (TMC, 0.2 wt %). The main advantages of this surface coating technique are minimal solvent consumption (less than 0.05 mL/cm2) and precise control over interfacial polymerization. Zeta potential measurements of the coated membranes exhibited enhancements in negative charge compared to the control membrane. This enhancement is attributed to the unreacted carboxyl functional groups of the SKL and TMC monomers, as well as the presence of sulfonate groups (SO3) in the structure of SKL. AFM results showed a notable decrease in membrane surface roughness after polyester coating due to the slower diffusion of SKL to the interface and a milder reaction with TMC. In terms of fouling resistance, the membrane coated with a polyester composed of 7 wt % SKL showed a 90% flux recovery ratio (FRR) during Bovine Serum Albumin (BSA) filtration, showing a 15% improvement compared to the control membrane (PA). PE-coated membranes provided stable separation performance over 40 h of filtration. The sodium chloride rejection and water flux displayed minimal variations, indicating the robustness of the coating layer. The final section of the presented study focuses on assessing the feasibility of scaling up and the cost-effectiveness of the proposed technique. The demonstrated ease of scalability and a notable reduction in chemical consumption establish this method as a viable, environmentally friendly, and sustainable solution for surface modification.
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Affiliation(s)
- Amirhossein Taghipour
- Department of Mechanical Engineering, 10-241 Donadeo Innovation Center for Engineering, Advanced Water Research Lab (AWRL), University of Alberta, Edmonton, AB T6G 1H9, Canada
| | - Pooria Karami
- Department of Mechanical Engineering, 10-241 Donadeo Innovation Center for Engineering, Advanced Water Research Lab (AWRL), University of Alberta, Edmonton, AB T6G 1H9, Canada
| | - Mahesh Manikantan Sandhya
- Department of Chemical Engineering, Indian Institute of Science Education and Research, Bhopal, Bhopal 462 066, Madhya Pradesh, India
| | - Mohtada Sadrzadeh
- Department of Mechanical Engineering, 10-241 Donadeo Innovation Center for Engineering, Advanced Water Research Lab (AWRL), University of Alberta, Edmonton, AB T6G 1H9, Canada
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8
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Li Y, Dong Y, Chen S, Wu Y, Wang J, Nie Y. Fouling behavior of nanofiltration membrane during the refining treatment of morphlines-dominant reverse osmosis concentrate. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 364:121443. [PMID: 38878575 DOI: 10.1016/j.jenvman.2024.121443] [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: 03/22/2024] [Revised: 05/15/2024] [Accepted: 06/07/2024] [Indexed: 06/24/2024]
Abstract
Nanofiltration (NF) has been proven to be with great potential for the separation of morpholines with molecular weight less than 200 Da in refining reverse osmosis concentrate (ROC), but its application is significantly restricted by the membrane fouling, which can reduce the rejection and service time. To enable the long-term operation stability of nanofiltration, this work focuses on the fouling behavior of each substance in the hydrosaline organic solution on nanofiltration membrane, aiming to give insight into the fouling mechanism. To this end, in this work, the effects of salts (i.e NaCl and Na2SO4), organic substances (including N-(2-hydroxypropyl)morpholine(NMH) and 4-morpholineacetate(MHA)) and representative divalent ions (Ca2+ and Mg2+) on the performance and physicochemical properties of DK membrane were systematically investigated. The results show that both salts and organics can induce DK membrane swelling, leading to an increase of the mean effective pore size. After the filtration of Na2SO4-NaCl-H2O, the mean pore size increased by 0.002 nm, resulting in the decrease of the removal ratio of NMH and MHA for 3.82% and 13.10%, respectively. With static adsorption of NMH and MHA, the mean pore size of DK membrane increased by 0.005 and 0.003 nm. The swelling slowed the entrance of more organic molecules into membrane pores. Among them, MHA led to the terrible irreversible pore blocking. As the concentration of Ca2+ increased, gypsum scaling was formed on the membrane surface. During this process, NMH and MHA played different roles, i.e. NMH accelerated the CaSO4 crystallization while MHA inhibited. As a conclusion, the fouling behavior of substances in the high saline organic wastewater on DK membrane were systematically revealed with the fouling mechanisms proposed, which could provide an insightful guidance for membrane fouling control and cleaning in the treatment of high salinity and organic wastewater.
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Affiliation(s)
- Yahui Li
- Beijing Key Laboratory of Ionic Liquids Clean Process/State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China; Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, China; University of Chinese Academy of Sciences, Beijing, 100049, China; Petrochemical Research Institute, PetroChina, Beijing, 102206, China
| | - Yanan Dong
- Beijing Key Laboratory of Ionic Liquids Clean Process/State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China; Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Shangqing Chen
- School of Chemical Engineering and Pharmacy, Hubei Key Lab of Novel Reactor & Green Chemical Technology, Key Laboratory of Green Chemical Engineering Process of Ministry of Education, Wuhan Institute of Technology, Wuhan, 430205, China.
| | - Yingqiu Wu
- Beijing Key Laboratory of Ionic Liquids Clean Process/State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China; Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, China
| | - Junfeng Wang
- Beijing Key Laboratory of Ionic Liquids Clean Process/State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China; Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, China.
| | - Yi Nie
- Beijing Key Laboratory of Ionic Liquids Clean Process/State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China; Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, China
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Volta TT, Walters SN, Martin CR. Effect of Organic Cation Adsorption on Ion-Transport Selectivity in a Cation-Permselective Nanopore Membrane. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:10825-10833. [PMID: 38700247 DOI: 10.1021/acs.langmuir.4c01276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2024]
Abstract
A key knowledge gap in the emerging field of nanofluidics concerns how the ionic composition and ion-transport properties of a nanoconfined solution differ from those of a contacting bulk solution. We and others have been using potentiometric concentration cells, where a nanopore or nanotube membrane separates salt solutions of differing concentrations to explore this issue. The membranes studied contained a fixed pore/tube wall anionic charge, which ideally would prohibit anions and salt from entering the pore/tube-confined solution. We have been investigating experimental conditions that allow for this ideally permselective cation state to be achieved. Results of potentiometric investigations of a polymeric nanopore membrane (10 ± 2 nm-diameter pores) with anionic charge due to carbonate are presented here. While studies of this type have been reported using alkaline metal and alkaline earth cations, there have been no analogous studies using organic cations. This paper uses a homologous series of tetraalkylammonium ions to address this knowledge gap. The key result is that, in contrast to the inorganic cations, the ideal cation-permselective state could not be obtained under any experimental conditions for the organic cations. We propose that this is because these hydrophobic cations adsorb onto the polymeric pore walls. This makes ideality impossible because each adsorbed alkylammonium must bring a charge-balancing anion, Cl-, with it into the nanopore solution. The alkylammonium adsorption that occurred was confirmed and quantified by using surface contact angle measurements.
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Affiliation(s)
- Thomas T Volta
- Department of Chemistry, University of Florida, Gainesville, Florida 32611-7200, United States
| | - Stevie N Walters
- Department of Chemistry, University of Florida, Gainesville, Florida 32611-7200, United States
| | - Charles R Martin
- Department of Chemistry, University of Florida, Gainesville, Florida 32611-7200, United States
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10
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Yan Z, Chen X, Chang H, Pang H, Fan G, Xu K, Liang H, Qu F. Feasibility of replacing proton exchange membranes with pressure-driven membranes in membrane electrochemical reactors for high salinity organic wastewater treatment. WATER RESEARCH 2024; 254:121340. [PMID: 38428235 DOI: 10.1016/j.watres.2024.121340] [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: 12/12/2023] [Revised: 01/24/2024] [Accepted: 02/18/2024] [Indexed: 03/03/2024]
Abstract
Membrane electrochemical reactor (MER) shows superiority to electrochemical oxidation (EO) in high salinity organic wastewater (HSOW) treatment, but requirement of proton exchange membranes (PEM) increases investment and maintenance cost. In this work, the feasibility of using low-cost pressure-driven membranes as the separation membrane in MER system was systematically investigated. Commonly used pressure-driven membranes, including loose membranes such as microfiltration (MF) and ultrafiltration (UF), as well as dense membranes like nanofiltration (NF) and reverse osmosis (RO), were employed in the study. When tested in a contamination-free solution, MF and UF exhibited superior electrochemical performance compared to PEM, with comparable pH regulation capabilities in the short term. When foulant (humic acid, Ca2+ and Mg2+) presented in the feed, UF saved the most energy (43 %) compared to PEM with similar removal rate of UV254 (∼85 %). In practical applications of MER for treating nanofiltration concentrate (NC) of landfill leachate, UF saved 27 % energy compared to PEM per cycle with the least Ca2+ and Mg2+ retention in membrane and none obvious organics permeation. For fouled RO and PEM with ion transport impediment, water splitting was exacerbated, which decreased the percentage of oxidation for organics. Overall, replacing of PEM with UF significantly reduce the costs associated with both the investment and operation of MER, which is expected to broaden the practical application for treating HSOW.
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Affiliation(s)
- Zhongsen Yan
- College of Civil Engineering, Fuzhou University, Fujian 350108, China
| | - Xiaolei Chen
- College of Civil Engineering, Fuzhou University, Fujian 350108, China
| | - Haiqing Chang
- MOE Key Laboratory of Deep Earth Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu 610207, China
| | - Heliang Pang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, PR China
| | - Gongduan Fan
- College of Civil Engineering, Fuzhou University, Fujian 350108, China.
| | - Kaiqin Xu
- College of Civil Engineering, Fuzhou University, Fujian 350108, China
| | - Heng Liang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, PR China
| | - Fangshu Qu
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Guangzhou University, Guangzhou 510006, PR China.
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11
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Dong Y, Li J, Huang C. Antifouling binary liquid-infused membranes for biological sample pretreatment. Chem Commun (Camb) 2024; 60:4671-4674. [PMID: 38591695 DOI: 10.1039/d4cc00612g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
Hydrophobic membranes infused with mixed solvents including a low polar solvent and a specific solvent can efficiently separate analytes from blood upon applying a voltage. In contrast, membranes infused with a specific solvent alone show significantly reduced separation efficiencies for blood samples. Infusion of a low polar solvent is of importance for achieving antifouling ability of membranes for biological sample pretreatment.
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Affiliation(s)
- Ying Dong
- Department of Forensic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China.
- Shenzhen Huazhong University of Science and Technology Research Institute, 9 Yuexing Third Road, Nanshan District, Shenzhen 518000, China
| | - Jing Li
- Hubei Province Key Laboratory of Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, 947 Peace Avenue, Wuhan 430081, China.
| | - Chuixiu Huang
- Department of Forensic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China.
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12
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Lusiana RA, Nuryanto R, Muna N, Dayanti D, Gunawan, Kiswandono AA, Annisa RN, Septevani AA, Sasongko NA. High-performance sulfonated polyether sulfone/chitosan membrane on creatinine transport improved by lithium chloride. Int J Biol Macromol 2024; 261:129784. [PMID: 38296137 DOI: 10.1016/j.ijbiomac.2024.129784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 12/28/2023] [Accepted: 01/24/2024] [Indexed: 02/03/2024]
Abstract
Membrane-based polyether sulfone (PES) is a potential candidate for hemodialysis because of its properties such as high mechanical strength, thermal stability, and chemical resistance. However, the nature of the hydrophobicity in the PES membrane inhibits their performance in transporting creatinine. In this study, polyethersulfone (PES) membranes were modified using a sulfonation process and the addition of chitosan (CS) and lithium chloride (LiCl) to improve its performance in transporting creatinine. The FTIR spectrum of the modified membrane shows peaks of the sulfonate (-SO2), amine (NH), and hydroxyl (-OH) groups in absorption areas of 1065 cm-1, 1650 cm-1, and 3384 cm-1, respectively, indicating that the membrane SPES/CS-LiCl has been successfully prepared. The modified PES membranes shows a higher porosity, swelling, water absorption, and hydrophilicity than pure PES membrane. The modification of the PES membrane in this study also enhances the ability of the membrane to transport creatinine. In the pure PES membrane, the creatinine clearance is 0.30 mg/dL, while in the SPES/CS-LiCl (5:2) membrane the creatinine clearance is 0.42 mg/dL.
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Affiliation(s)
- Retno Ariadi Lusiana
- Department of Chemistry, Faculty of Science and Mathematics, Diponegoro University, 50275 Semarang, Indonesia.
| | - Rahmad Nuryanto
- Department of Chemistry, Faculty of Science and Mathematics, Diponegoro University, 50275 Semarang, Indonesia
| | - Nailul Muna
- Department of Chemistry, Faculty of Science and Mathematics, Diponegoro University, 50275 Semarang, Indonesia
| | - Dilla Dayanti
- Department of Chemistry, Faculty of Science and Mathematics, Diponegoro University, 50275 Semarang, Indonesia; Research Center for Environmental and Clean Technology, National Research and Innovation Agency, Bandung, Indonesia
| | - Gunawan
- Department of Chemistry, Faculty of Science and Mathematics, Diponegoro University, 50275 Semarang, Indonesia
| | - Agung Abadi Kiswandono
- Department of Chemistry, Faculty of Mathematics and Natural Science, University of Lampung, 35141 Lampung, Indonesia
| | - Riska Nurfirda Annisa
- Department of Chemistry, Faculty of Science and Mathematics, Diponegoro University, 50275 Semarang, Indonesia
| | - Athanasia Amanda Septevani
- Research Center for Environmental and Clean Technology, National Research and Innovation Agency, Bandung, Indonesia
| | - Nurwarrohman Andre Sasongko
- Department of Chemistry, Faculty of Science and Mathematics, Diponegoro University, 50275 Semarang, Indonesia; Department of Chemistry, Pukyong National University, 608-737 Busan, Republic of Korea.
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13
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Wang J, Wang S, Hu C. Advanced treatment of coking wastewater: Recent advances and prospects. CHEMOSPHERE 2024; 349:140923. [PMID: 38092162 DOI: 10.1016/j.chemosphere.2023.140923] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/17/2023]
Abstract
Advanced treatment of refractory industrial wastewater is still a challenge. Coking wastewater is one of coal chemical wastewater, which contains various refractory organic pollutants. To meet the more and more rigorous discharge standard and increase the reuse ratio of coking wastewater, advanced treatment process must be set for treating the biologically treated coking wastewater. To date, several advanced oxidation processes (AOPs), including Fenton, ozone, persulfate-based oxidation, and iron-carbon micro-electrolysis, have been applied for the advanced treatment of coking wastewater. However, the performance of different advanced treatment processes changed greatly, depending on the components of coking wastewater and the unique characteristics of advanced treatment processes. In this review article, the state-of-the-art advanced treatment process of coking wastewater was systematically summarized and analyzed. Firstly, the major organic pollutants in the secondary effluents of coking wastewater was briefly introduced, to better understand the characteristics of the biologically treated coking wastewater. Then, the performance of various advanced treatment processes, including physiochemical methods, biological methods, advanced oxidation methods and combined methods were discussed for the advanced treatment of coking wastewater in detail. Finally, the conclusions and remarks were provided. This review will be helpful for the proper selection of advanced treatment processes and promote the development of advanced treatment processes for coking wastewater.
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Affiliation(s)
- Jianlong Wang
- Laboratory of Environmental Technology, INET, Tsinghua University, Beijing, 100084, PR China; Beijing Key Laboratory of Radioactive Wastes Treatment, Tsinghua University, Beijing, 100084, PR China.
| | - Shizong Wang
- Laboratory of Environmental Technology, INET, Tsinghua University, Beijing, 100084, PR China; Beijing Key Laboratory of Radioactive Wastes Treatment, Tsinghua University, Beijing, 100084, PR China
| | - Chengzhi Hu
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
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14
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Wu L, Gong X, Ma C, Xu L, Li M, Lyu C, Sun N. Preparation of chitosan/citral forward osmosis membrane via Schiff base reaction with enhanced anti-bacterial properties. CHEMOSPHERE 2023; 345:140411. [PMID: 37844700 DOI: 10.1016/j.chemosphere.2023.140411] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 09/26/2023] [Accepted: 10/09/2023] [Indexed: 10/18/2023]
Abstract
In this study, hydrogels generated by the Schiff base reaction between citral and chitosan (CS) were used for the first time to improve the anti-bacterial property of forward osmosis (FO) membranes. The composite membranes were characterized by scanning electron microscopy (SEM), Fourier transform infrared (FTIR), Water contact angle (WCA), Zeta potential and confocal laser scanning microscopic (CLSM). In the FO filtration experiment, the membrane performance of TFC-1 with 1 M sodium chloride solution as the draw solution and deionized water as the feed solution was the best, with the water flux of 25.54 ± 0.7 L m-2 h-1 and the reverse salt flux of 4.7 ± 0.4 g m-2 h-1. Although the hydrogel coating produced a certain hydraulic resistance, the flux of the modified membrane was only reduced by about 8%, compared with the unmodified membrane. However, the anti-bacterial property (Pseudomonas aeruginosa) and anti-fouling properties (bovine serum protein and lysozyme protein) of the modified membranes were improved, showing good antibacterial properties (99%) and flux recovery rate (over 90%). The modified method has the advantages of easy access to raw materials, simple operation and no risk of secondary pollution, which can effectively reduce the cost of chemical cleaning and extend the service life of the membrane. The modification of membrane by chitosan-based hydrogel is a promising option in the field of membrane anti-bacteria.
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Affiliation(s)
- Lei Wu
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun, 130000, China
| | - Xiaolu Gong
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental Science and Engineering, Tiangong University, Tianjin, 300387, China
| | - Cong Ma
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental Science and Engineering, Tiangong University, Tianjin, 300387, China.
| | - Lan Xu
- Shanghai Baiyulan Tobacco Materials Co., Ltd, Shanghai, 201210, China.
| | - Ming Li
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun, 130000, China
| | - Chen Lyu
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun, 130000, China
| | - Nan Sun
- School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, 150030, China
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15
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Ma C, Cheng Z, Zhang M, Huang Y, Huang W, Wang L, Zhao B, Zhang Z. High performance forward osmosis membrane with ultrathin hydrophobic nanofibrous interlayer. CHEMOSPHERE 2023; 338:139556. [PMID: 37467861 DOI: 10.1016/j.chemosphere.2023.139556] [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: 04/27/2023] [Revised: 06/29/2023] [Accepted: 07/16/2023] [Indexed: 07/21/2023]
Abstract
The novel thin film composite (TFC) forward osmosis (FO) membrane with electrospinning nanofibers as support layer can alleviate internal concentration polarization (ICP). While the macropores of the nanofiber support layer cause defects in the polyamide (PA) layer. Therefore, hydrophobic polyvinylidene fluoride (PVDF) fine nanofibers were used as an interlayer to modulate the process of interfacial polymerization (IP) in this study. The results showed that the introduction of the interlayer improved the hydrophobicity of the support layer for achieving uniform, thin and defect-free selective polyamide (PA) layer. The water flux of TFC-PVDF was 58.26 LMH in the FO mode of 2 M NaCl, which was two times higher than that of the unmodified FO membrane. Lower reverse salt flux (4.91 gMH) and structural parameter (179.43 μm) alleviated the ICP. In addition, TFC-PVDF membrane showed good anti-fouling performance for SA (flux recovery ratio of 93.97%) due to high hydrophilicity, low zeta potential and low roughness. This study provides an easy and promising method to prepare defect-free PA selective layer on the macropores nanofiber support layer. The novel FO membrane shows high desalination performance and anti-fouling properties.
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Affiliation(s)
- Cong Ma
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental Science and Engineering, Tiangong University, Tianjin, 300387, China; Tianjin Haiyuanhui Technology Co., Ltd., Tianjin, 300457, China
| | - Zhaoyang Cheng
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental Science and Engineering, Tiangong University, Tianjin, 300387, China
| | - Meng Zhang
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental Science and Engineering, Tiangong University, Tianjin, 300387, China
| | - Yukun Huang
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental Science and Engineering, Tiangong University, Tianjin, 300387, China
| | - Weili Huang
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental Science and Engineering, Tiangong University, Tianjin, 300387, China
| | - Liang Wang
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental Science and Engineering, Tiangong University, Tianjin, 300387, China; Cangzhou Institute of Tiangong University, Cangzhou, 061000, China.
| | - Bin Zhao
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental Science and Engineering, Tiangong University, Tianjin, 300387, China
| | - Zhaohui Zhang
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental Science and Engineering, Tiangong University, Tianjin, 300387, China
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16
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Salamanca M, Peña M, Hernandez A, Prádanos P, Palacio L. Forward Osmosis Application for the Removal of Emerging Contaminants from Municipal Wastewater: A Review. MEMBRANES 2023; 13:655. [PMID: 37505021 PMCID: PMC10384920 DOI: 10.3390/membranes13070655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/04/2023] [Accepted: 07/07/2023] [Indexed: 07/29/2023]
Abstract
Forward osmosis (FO) has attracted special attention in water and wastewater treatment due to its role in addressing the challenges of water scarcity and contamination. The presence of emerging contaminants in water sources raises concerns regarding their environmental and public health impacts. Conventional wastewater treatment methods cannot effectively remove these contaminants; thus, innovative approaches are required. FO membranes offer a promising solution for wastewater treatment and removal of the contaminants in wastewater. Several factors influence the performance of FO processes, including concentration polarization, membrane fouling, draw solute selection, and reverse salt flux. Therefore, understanding and optimizing these factors are crucial aspects for improving the efficiency and sustainability of the FO process. This review stresses the need for research to explore the potential and challenges of FO membranes to meet municipal wastewater treatment requirements, to optimize the process, to reduce energy consumption, and to promote scalability for potential industrial applications. In conclusion, FO shows promising performance for wastewater treatment, dealing with emerging pollutants and contributing to sustainable practices. By improving the FO process and addressing its challenges, we could contribute to improve the availability of water resources amid the global water scarcity concerns, as well as contribute to the circular economy.
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Affiliation(s)
- Mónica Salamanca
- Institute of Sustainable Processes (ISP), Dr. Mergelina s/n, 47011 Valladolid, Spain
- Department of Chemical Engineering and Environmental Technology, University of Valladolid, Dr. Mergelina s/n, 47011 Valladolid, Spain
- Department of Applied Physics, Faculty of Sciences, University of Valladolid, Paseo Belén 7, 47011 Valladolid, Spain
| | - Mar Peña
- Institute of Sustainable Processes (ISP), Dr. Mergelina s/n, 47011 Valladolid, Spain
- Department of Chemical Engineering and Environmental Technology, University of Valladolid, Dr. Mergelina s/n, 47011 Valladolid, Spain
| | - Antonio Hernandez
- Institute of Sustainable Processes (ISP), Dr. Mergelina s/n, 47011 Valladolid, Spain
- Department of Applied Physics, Faculty of Sciences, University of Valladolid, Paseo Belén 7, 47011 Valladolid, Spain
| | - Pedro Prádanos
- Institute of Sustainable Processes (ISP), Dr. Mergelina s/n, 47011 Valladolid, Spain
- Department of Applied Physics, Faculty of Sciences, University of Valladolid, Paseo Belén 7, 47011 Valladolid, Spain
| | - Laura Palacio
- Institute of Sustainable Processes (ISP), Dr. Mergelina s/n, 47011 Valladolid, Spain
- Department of Applied Physics, Faculty of Sciences, University of Valladolid, Paseo Belén 7, 47011 Valladolid, Spain
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17
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Huang T, Su Z, Hou K, Zeng J, Zhou H, Zhang L, Nunes SP. Advanced stimuli-responsive membranes for smart separation. Chem Soc Rev 2023. [PMID: 37184537 DOI: 10.1039/d2cs00911k] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Membranes have been extensively studied and applied in various fields owing to their high energy efficiency and small environmental impact. Further conferring membranes with stimuli responsiveness can allow them to dynamically tune their pore structure and/or surface properties for efficient separation performance. This review summarizes and discusses important developments and achievements in stimuli-responsive membranes. The most commonly utilized stimuli, including light, pH, temperature, ions, and electric and magnetic fields, are discussed in detail. Special attention is given to stimuli-responsive control of membrane pore structure (pore size and porosity/connectivity) and surface properties (wettability, surface topology, and surface charge), from the perspective of determining the appropriate membrane properties and microstructures. This review also focuses on strategies to prepare stimuli-responsive membranes, including blending, casting, polymerization, self-assembly, and electrospinning. Smart applications for separations are also reviewed as well as a discussion of remaining challenges and future prospects in this exciting field. This review offers critical insights for the membrane and broader materials science communities regarding the on-demand and dynamic control of membrane structures and properties. We hope that this review will inspire the design of novel stimuli-responsive membranes to promote sustainable development and make progress toward commercialization.
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Affiliation(s)
- Tiefan Huang
- Functional Membrane Materials Engineering Research Center of Hunan Province, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China.
| | - Zhixin Su
- Functional Membrane Materials Engineering Research Center of Hunan Province, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China.
| | - Kun Hou
- Functional Membrane Materials Engineering Research Center of Hunan Province, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China.
| | - Jianxian Zeng
- Functional Membrane Materials Engineering Research Center of Hunan Province, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China.
| | - Hu Zhou
- Functional Membrane Materials Engineering Research Center of Hunan Province, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China.
| | - Lin Zhang
- Engineering Research Center of Membrane and Water Treatment of MOE, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.
- Academy of Ecological Civilization, Zhejiang University, Hangzhou, 310058, China
| | - Suzana P Nunes
- King Abdullah University of Science and Technology (KAUST), Nanostructured Polymeric Membranes Laboratory, Advanced Membranes and Porous Materials Center, Biological and Environmental Science and Engineering Division (BESE), Thuwal, 23955-6900, Saudi Arabia.
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18
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Mohamat R, Bakar SA, Mohamed A, Muqoyyanah M, Othman MHD, Mamat MH, Malek MF, Ahmad MK, Yulkifli Y, Ramakrishna S. Incorporation of graphene oxide/titanium dioxide with different polymer materials and its effects on methylene blue dye rejection and antifouling ability. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-27207-7. [PMID: 37170051 DOI: 10.1007/s11356-023-27207-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 04/20/2023] [Indexed: 05/13/2023]
Abstract
Exposure of synthetic dye, such as methylene blue (MB), in water bodies led to a serious threat to living things because they are toxic and non-degradable. Amongst the introduced dye removal methods, membrane separation process can be considered a powerful technique for treating dye contamination. However, this method commonly suffered from drawbacks, such as short membrane lifetime, low permeability and selectivity. To overcome these issues, graphene oxide (GO) and titanium dioxide (TiO2) were used as additives to fabricate polyethersulfone (PES)- and polyvinylidene fluoride (PVDF)-based hybrid membranes via non-solvent-induced phase separation method. Prior to membrane fabrication, GO was synthesised via electrochemical exfoliation method assisted by customised triple-tail surfactant. The potential of PES- and PVDF-based hybrid membranes for wastewater treatment has been discussed widely. However, direct comparison between these two polymeric membranes is not critically discussed for MB dye separation application yet. Therefore, this study is aimed at evaluating the performance of different types of polymers (e.g. PES and PVDF) in terms of membrane morphology, properties, dye rejection and antifouling ability. Results showed that the incorporation of GO and TiO2 alters the morphology of the fabricated membranes and affects dye rejection further, as well as their antifouling performance. In contrast with pristine membrane, PES-GO/TiO2 and PVDF-GO/TiO2 possessed high hydrophilicity, as indicated by their low contact angle (67.38° and 62.12°, respectively). Based on this study, PVDF-GO/TiO2 showed higher porosity value (94.88%), permeability (87.32 L/m2hMPa) and MB rejection rate (92.63%), as well as flux recovery ratio value of > 100% as compared with others. Overall, the incorporation of GO and TiO2 with PVDF polymer are proven to be effective hybrid materials of membrane fabrication for dye rejection application in the near future. The polymer material's intrinsic properties can affect the attributes of the fabricated membrane.
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Affiliation(s)
- Rosmanisah Mohamat
- Nanotechnology Research Centre, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900 Tanjung Malim, Perak, Malaysia
- Department of Physics, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900 Tanjung Malim, Perak, Malaysia
| | - Suriani Abu Bakar
- Nanotechnology Research Centre, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900 Tanjung Malim, Perak, Malaysia.
- Department of Physics, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900 Tanjung Malim, Perak, Malaysia.
| | - Azmi Mohamed
- Nanotechnology Research Centre, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900 Tanjung Malim, Perak, Malaysia
| | - Muqoyyanah Muqoyyanah
- Nanotechnology Research Centre, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900 Tanjung Malim, Perak, Malaysia
- Research Center for Advanced Materials, National Research and Innovation Agency (BRIN), South Tangerang, Banten, 15314, Indonesia
| | - Mohd Hafiz Dzarfan Othman
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Mohamad Hafiz Mamat
- NANO-ElecTronic Centre (NET), Faculty of Electrical Engineering, Universiti Teknologi MARA (UiTM), 40450, Shah Alam, Selangor, Malaysia
| | - Mohd Firdaus Malek
- NANO-SciTech Lab (NST), Centre for Functional Materials and Nanotechnology, Institute of Science (IOS), Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia
| | - Mohd Khairul Ahmad
- Microelectronic and Nanotechnology-Shamsuddin Research Centre (MiNT-SRC), Faculty of Electrical and Electronic Engineering, Universiti Tun Hussein Onn Malaysia, 86400, Parit Raja, Batu Pahat, Johor, Malaysia
| | - Yulkifli Yulkifli
- Physics Department, Faculty of Mathematics and Natural Science, Universitas Negeri Padang, Padang, Indonesia
| | - Seeram Ramakrishna
- Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Block EA #07-08, Singapore, 117575, Singapore
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19
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Sun Y, Zheng L, Feng Q, Xie X, Yong Z, He J, Yang L, Zhao X. In situ surface modification of forward osmosis membrane by polydopamine/polyethyleneimine-silver nanoparticle for anti-fouling improvement in municipal wastewater treatment. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2023; 87:2195-2209. [PMID: 37186624 PMCID: wst_2023_115 DOI: 10.2166/wst.2023.115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
In this work, we demonstrate the surface functionalization of cellulose triacetate membrane with co-deposition of polydopamine (PDA)/polyethyleneimine (PEI) and silver nanoparticles (AgNPs) for antifouling property in municipal wastewater treatment. PDA/PEI was first coated on the membrane surface by single-step co-deposition, while AgNPs were formed in situ through catechol groups of PDA immobilizing silver ions and subsequently reducing. The successful surface modification was verified by different membrane characterization techniques. The modified PDA/PEI-nAg CTA membrane exhibits enhanced hydrophilicity and improved antiadhesion and antimicrobial activity. Furthermore, the functional layer had an indistinctive effect on the membrane transport parameters. In addition, dynamic forward osmosis (FO) fouling experiment with raw municipal wastewater as feed solution indicated that the PDA/PEI-nAg CTA membrane exhibited notably lower water flux decrease compared to the nascent CTA membrane. The results of confocal laser scanning microscopy (CLSM) showed that PDA/PEI-nAg CTA membranes effectively reduced the adsorption of organic foulants (proteins and polysaccharides) and inhibited the formation and development of the fouling layer. The membrane surface modification of the CTA membrane with PDA/PEI and AgNPs efficiently mitigated membrane fouling in municipal wastewater treatment.
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Affiliation(s)
- Yan Sun
- School of Civil Engineering, Chang'an University, Xi'an 710061, China E-mail:
| | - Lu Zheng
- School of Civil Engineering, Chang'an University, Xi'an 710061, China E-mail:
| | - Qianying Feng
- School of Civil Engineering, Chang'an University, Xi'an 710061, China E-mail:
| | - Xiaoyang Xie
- School of Civil Engineering, Chang'an University, Xi'an 710061, China E-mail:
| | - Zixin Yong
- China Northwest Architecture Design and Research Institute Co., Ltd, Xi'an 710018, China
| | - Jiaojie He
- School of Civil Engineering, Chang'an University, Xi'an 710061, China E-mail:
| | - Liwei Yang
- School of Civil Engineering, Chang'an University, Xi'an 710061, China E-mail:
| | - Xiaohong Zhao
- School of Civil Engineering, Chang'an University, Xi'an 710061, China E-mail:
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20
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Duan Y, Li L, Shen Z, Cheng J, He K. Engineering Metal-Organic-Framework (MOF)-Based Membranes for Gas and Liquid Separation. MEMBRANES 2023; 13:membranes13050480. [PMID: 37233541 DOI: 10.3390/membranes13050480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/21/2023] [Accepted: 04/26/2023] [Indexed: 05/27/2023]
Abstract
Separation is one of the most energy-intensive processes in the chemical industry, and membrane-based separation technology contributes significantly to energy conservation and emission reduction. Additionally, metal-organic framework (MOF) materials have been widely investigated and have been found to have enormous potential in membrane separation due to their uniform pore size and high designability. Notably, pure MOF films and MOF mixed matrix membranes (MMMs) are the core of the "next generation" MOF materials. However, there are some tough issues with MOF-based membranes that affect separation performance. For pure MOF membranes, problems such as framework flexibility, defects, and grain orientation need to be addressed. Meanwhile, there still exist bottlenecks for MMMs such as MOF aggregation, plasticization and aging of the polymer matrix, poor interface compatibility, etc. Herein, corresponding methods are introduced to solve these problems, including inhibiting framework flexibility, regulating synthesis conditions, and enhancing the interaction between MOF and substrate. A series of high-quality MOF-based membranes have been obtained based on these techniques. Overall, these membranes revealed desired separation performance in both gas separation (e.g., CO2, H2, and olefin/paraffin) and liquid separation (e.g., water purification, organic solvent nanofiltration, and chiral separation).
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Affiliation(s)
- Yutian Duan
- College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
| | - Lei Li
- SINOPEC Nanjing Research Institute of Chemical Industry Co., Ltd., Nanjing 210048, China
| | - Zhiqiang Shen
- Department of Orthopedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology, Hefei 230001, China
| | - Jian Cheng
- Department of Orthopedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology, Hefei 230001, China
| | - Kewu He
- Imaging Center, Third Affiliated Hospital of Anhui Medical University, Hefei 230031, China
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21
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Kertész S, Al-Tayawi AN, Gergely G, Ott B, Gulyás NS, Jákói Z, Beszédes S, Hodúr C, Szabó T, László Z. Investigation of Different Pre-Treatment Techniques and 3D Printed Turbulence Promoter to Mitigate Membrane Fouling in Dairy Wastewater Module. MATERIALS (BASEL, SWITZERLAND) 2023; 16:3117. [PMID: 37109952 PMCID: PMC10146657 DOI: 10.3390/ma16083117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/04/2023] [Accepted: 04/13/2023] [Indexed: 06/19/2023]
Abstract
This study investigates the enhancement of dairy wastewater treatment using chemical and physical pre-treatments coupled with membrane separation techniques to reduce membrane fouling. Two mathematical models, namely the Hermia and resistance-in-series module, were utilized to comprehend the mechanisms of ultrafiltration (UF) membrane fouling. The predominant fouling mechanism was identified by fitting experimental data into four models. The study calculated and compared permeate flux, membrane rejection, and membrane reversible and irreversible resistance values. The gas formation was also evaluated as a post-treatment. The results showed that the pre-treatments improved UF efficiency for flux, retention, and resistance values compared to the control. Chemical pre-treatment was identified as the most effective approach to improve filtration efficiency. Physical treatments after microfiltration (MF) and UF showed better fluxes, retention, and resistance results than ultrasonic pre-treatment followed by UF. The efficacy of a three-dimensionally printed (3DP) turbulence promoter was also examined to mitigate membrane fouling. The integration of the 3DP turbulence promoter enhanced hydrodynamic conditions and increased the shear rate on the membrane surface, shortening filtration time and increasing permeate flux values. This study provides valuable insights into optimizing dairy wastewater treatment and membrane separation techniques, which can have significant implications for sustainable water resource management. The present outcomes clearly recommend the application of hybrid pre-, main- and post-treatments coupled with module-integrated turbulence promoters in dairy wastewater ultrafiltration membrane modules to increase membrane separation efficiencies.
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Affiliation(s)
- Szabolcs Kertész
- Department of Biosystems Engineering, Faculty of Engineering, University of Szeged, Moszkvai Krt. 9, H-6725 Szeged, Hungary
| | - Aws N. Al-Tayawi
- Doctoral School of Environmental Sciences, University of Szeged, Tisza Lajos Krt. 103, H-6725 Szeged, Hungary
- Faculty of Environmental Science and Technology, University of Mosul, Al-Majmoa’a Street, Mosul 41002, Iraq
| | - Gréta Gergely
- Department of Biosystems Engineering, Faculty of Engineering, University of Szeged, Moszkvai Krt. 9, H-6725 Szeged, Hungary
| | - Bence Ott
- Department of Biosystems Engineering, Faculty of Engineering, University of Szeged, Moszkvai Krt. 9, H-6725 Szeged, Hungary
| | - Nikolett Sz. Gulyás
- Doctoral School of Environmental Sciences, University of Szeged, Tisza Lajos Krt. 103, H-6725 Szeged, Hungary
| | - Zoltán Jákói
- Department of Biosystems Engineering, Faculty of Engineering, University of Szeged, Moszkvai Krt. 9, H-6725 Szeged, Hungary
- Doctoral School of Environmental Sciences, University of Szeged, Tisza Lajos Krt. 103, H-6725 Szeged, Hungary
| | - Sándor Beszédes
- Department of Biosystems Engineering, Faculty of Engineering, University of Szeged, Moszkvai Krt. 9, H-6725 Szeged, Hungary
| | - Cecilia Hodúr
- Department of Biosystems Engineering, Faculty of Engineering, University of Szeged, Moszkvai Krt. 9, H-6725 Szeged, Hungary
| | - Tamás Szabó
- Department of Physical Chemistry and Materials Science, University of Szeged, Rerrich Béla Tér. 1, H-6720 Szeged, Hungary
| | - Zsuzsanna László
- Department of Biosystems Engineering, Faculty of Engineering, University of Szeged, Moszkvai Krt. 9, H-6725 Szeged, Hungary
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22
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Ahmed MA, Amin S, Mohamed AA. Fouling in reverse osmosis membranes: monitoring, characterization, mitigation strategies and future directions. Heliyon 2023; 9:e14908. [PMID: 37064488 PMCID: PMC10102236 DOI: 10.1016/j.heliyon.2023.e14908] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 03/16/2023] [Accepted: 03/21/2023] [Indexed: 03/30/2023] Open
Abstract
Water scarcity has been a global challenge for many countries over the past decades, and as a result, reverse osmosis (RO) has emerged as a promising and cost-effective tool for water desalination and wastewater remediation. Currently, RO accounts for >65% of the worldwide desalination capacity; however, membrane fouling is a major issue in RO processes. Fouling reduces the membrane's lifespan and permeability, while also increases the operating pressure and chemical cleaning frequency. Overall, fouling reduces the quality and quantity of desalinated water, and thus hinders the sustainable application of RO membranes by disturbing its efficacy and economic aspects. Fouling arises from various physicochemical interactions between water pollutants and membrane materials leading to foulants' accumulation onto the membrane surfaces and/or inside the membrane pores. The current review illustrates the main types of particulates, organic, inorganic and biological foulants, along with the major factors affecting its formation and development. Moreover, the currently used monitoring methods, characterization techniques and the potential mitigation strategies of membrane fouling are reviewed. Further, the still-faced challenges and the future research on RO membrane fouling are addressed.
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23
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Wu N, Brahmi Y, Colin A. Fluidics for energy harvesting: from nano to milli scales. LAB ON A CHIP 2023; 23:1034-1065. [PMID: 36625144 DOI: 10.1039/d2lc00946c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
A large amount of untapped energy sources surrounds us. In this review, we summarize recent works of water-based energy harvesting systems with operation scales ranging from miniature systems to large scale attempts. We focus particularly on the triboelectric energy, which is produced when a liquid and a solid come into contact, and on the osmotic energy, which is released when salt water and fresh water are mixed. For both techniques we display the state of the art understanding (including electrical charge separation, electro-osmotic currents and induced currents) and the developed devices. A critical discussion of present works confirms the significant progress of these water-based energy harvesting systems in all scales. However, further efforts in efficiency and performance amelioration are expected for these technologies to accelerate the industrialization and commercialization procedure.
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Affiliation(s)
- Nan Wu
- ESPCI Paris, PSL Research University, MIE-CBI, CNRS UMR 8231, 10, Rue Vauquelin, F-75231 Paris Cedex 05, France.
| | - Youcef Brahmi
- ESPCI Paris, PSL Research University, MIE-CBI, CNRS UMR 8231, 10, Rue Vauquelin, F-75231 Paris Cedex 05, France.
| | - Annie Colin
- ESPCI Paris, PSL Research University, MIE-CBI, CNRS UMR 8231, 10, Rue Vauquelin, F-75231 Paris Cedex 05, France.
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24
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Zhang B, Fu T, Zhang Q, Wang X, Tang L, Wei Q, Li Y, Peng Y. Effects of Critical Operation and Cleaning Parameters on Performances and Economic Benefits of Biogas Slurry Concentration by Forward Osmosis Membrane. MEMBRANES 2023; 13:288. [PMID: 36984675 PMCID: PMC10051890 DOI: 10.3390/membranes13030288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/06/2023] [Accepted: 02/25/2023] [Indexed: 06/18/2023]
Abstract
Forward osmosis membrane technology (FO) shows potential application prospects in biogas slurry concentration, which is conducive to promoting the sustainable development of biogas projects. However, at present, the key influencing factors of membrane concentration using FO are not well understood. Therefore, this study analyzed the influence of draw solution concentration, pH, temperature and cross-flow velocity on the concentration efficiency of FO membrane, and optimized the operation parameters of FO membrane. The results showed that the concentration effect of the NaCl draw solution at pH 5 or 9 was better than that at pH 7. The order of factor influencing the water flux was as follows: draw liquid concentration > cross-flow velocity > operating temperature. The optimal combination obtained by orthogonal analysis was under 45 °C, with a cross-flow velocity of 1 L/min and the use of 1.5 mol/L NaCl as draw solution. The results of the membrane cleaning implied that the recovery rate of the fouled membrane after acid-base cleaning is significantly higher (88%) than other cleaning solutions. This research offers a scientific reference for applying positive osmosis technology to re-utilize biogas slurry resources.
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Affiliation(s)
- Bangxi Zhang
- Institute of Agricultural Resources and Environment, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China
| | - Tianhong Fu
- School of Pharmacy, Zunyi Medical University, Zunyi 563006, China
| | - Qinyu Zhang
- Institute of Agricultural Resources and Environment, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China
| | - Xiaomin Wang
- Institute of Agricultural Resources and Environment, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China
| | - Ling Tang
- Institute of Agricultural Resources and Environment, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China
| | - Quanquan Wei
- Institute of Agricultural Resources and Environment, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China
| | - Yun Li
- College of Resource and Environment, Qingdao Agricultural University, Qingdao 266109, China
| | - Yutao Peng
- School of Agriculture, Sun Yat-Sen University, Shenzhen 518107, China
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25
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Park JE, Kang TG, Moon H. The Effect of the Rotating Disk Geometry on the Flow and Flux Enhancement in a Dynamic Filtration System. MEMBRANES 2023; 13:291. [PMID: 36984677 PMCID: PMC10056996 DOI: 10.3390/membranes13030291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/24/2023] [Accepted: 02/27/2023] [Indexed: 06/18/2023]
Abstract
A numerical study was conducted to investigate the effect of rotating patterned disks on the flow and permeate flux in a dynamic filtration (DF) system. The DF system consists of a rotating patterned disk and a stationary housing with a circular flat membrane. The feed flow is driven by the rotating disk with the angular velocity ranging from 200 to 1000 rpm and the applied pressure difference between inlet and outlet ports. Wheel-shaped patterns are engraved on the disk surfaces to add perturbation to the flow field and improve the permeate flux in the filtration system. Five disks with varying numbers of patterns were used in numerical simulations to examine the effects of the number of patterns and the angular velocity of the disk on the flow and permeate flux in the DF system. The flow characteristics are studied using the velocity profiles, the cross-sectional velocity vectors, the vortex structures, and the shear stress distribution. The wheel-shaped patterns shift the central core layer in the circumferential velocity profile towards the membrane, leading to higher shear stresses at the membrane and higher flux compared to a plain disk. When the number of patterns on the disk exceeded eight at a fixed Reynolds number, there were significant increases in wall shear stress and permeate flux compared to a plain disk filtration system with no pattern.
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Affiliation(s)
- Jo Eun Park
- School of Aerospace and Mechanical Engineering, Korea Aerospace University, 76 Hanggongdaehak-ro, Deogyang-gu, Goyang-si 10540, Gyeonggi-do, Republic of Korea
| | - Tae Gon Kang
- School of Aerospace and Mechanical Engineering, Korea Aerospace University, 76 Hanggongdaehak-ro, Deogyang-gu, Goyang-si 10540, Gyeonggi-do, Republic of Korea
- Department of Smart Air Mobility, Korea Aerospace University, 76 Hanggongdaehak-ro, Deogyang-gu, Goyang-si 10540, Gyeongi-do, Republic of Korea
| | - Heejang Moon
- School of Aerospace and Mechanical Engineering, Korea Aerospace University, 76 Hanggongdaehak-ro, Deogyang-gu, Goyang-si 10540, Gyeonggi-do, Republic of Korea
- Department of Smart Air Mobility, Korea Aerospace University, 76 Hanggongdaehak-ro, Deogyang-gu, Goyang-si 10540, Gyeongi-do, Republic of Korea
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26
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Li B, Shen L, Zhao Y, Yu W, Lin H, Chen C, Li Y, Zeng Q. Quantification of interfacial interaction related with adhesive membrane fouling by genetic algorithm back propagation (GABP) neural network. J Colloid Interface Sci 2023; 640:110-120. [PMID: 36842417 DOI: 10.1016/j.jcis.2023.02.030] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 01/28/2023] [Accepted: 02/07/2023] [Indexed: 02/11/2023]
Abstract
Since adhesive membrane fouling is critically determined by the interfacial interaction between a foulant and a rough membrane surface, efficient quantification of the interfacial interaction is critically important for adhesive membrane fouling mitigation. As a current available method, the advanced extended Derjaguin-Landau-Verwey-Overbeek (XDLVO) theory involves complicated rigorous thermodynamic equations and massive amounts of computation, restricting its application. To solve this problem, artificial intelligence (AI) visualization technology was used to analyze the existing literature, and the genetic algorithm back propagation (GABP) artificial neural network (ANN) was employed to simplify thermodynamic calculation. The results showed that GABP ANN with 5 neurons could obtain reliable prediction performance in seconds, versus several hours or even days time-consuming by the advanced XDLVO theory. Moreover, the regression coefficient (R) of GABP reached 0.9999, and the error between the prediction results and the simulation results was less than 0.01%, indicating feasibility of the GABP ANN technique for quantification of interfacial interaction related with adhesive membrane fouling. This work provided a novel strategy to efficiently optimize the thermodynamic prediction of adhesive membrane fouling, beneficial for better understanding and control of adhesive membrane fouling.
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Affiliation(s)
- Bowen Li
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Liguo Shen
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Ying Zhao
- Teachers' Colleges, Beijing Union University, 5 Waiguanxiejie Street, Chaoyang District, Beijing 100011, China.
| | - Wei Yu
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Hongjun Lin
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Cheng Chen
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Yingbo Li
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Qianqian Zeng
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
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27
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Ji CC, Chen KY, Deng SK, Wang JX, Hu YX, Xu XH, Cheng LH. Fouling evolution of extracellular polymeric substances in forward osmosis based microalgae dewatering. WATER RESEARCH 2023; 229:119395. [PMID: 36463677 DOI: 10.1016/j.watres.2022.119395] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 11/01/2022] [Accepted: 11/19/2022] [Indexed: 06/17/2023]
Abstract
Membrane fouling was still a challenge for the potential application of forward osmosis (FO) in algae dewatering. In this study, the fouling behaviors of Chlorella vulgaris and Scenedesmus obliquus were compared in the FO membrane filtration process, and the roles of their soluble-extracellular polymeric substances (sEPS) and bound-EPS (bEPS) in fouling performance were investigated. The results showed that fouling behaviors could be divided into two stages including a quickly dropped and later a stable process. The bEPS of both species presented the highest flux decline (about 40.0%) by comparison with their sEPS, cells and broth. This performance was consistent with the largest dissolved organic carbon losses in feed solutions, and the highest interfacial free energy analyzed by the extended Derjaguin-Landau-Verwey-Overbeek (XDLVO) theory. The chemical characterizations of algal foulants further showed that the severe fouling performance was also consistent with a proper ratio of carbohydrates and proteins contents in the cake layer, as well as the higher low molecular weight (LMW) components. Compared with the bEPS, the sEPS was crucial for the membrane fouling of S. obliquus, and an evolution of the membrane fouling structure was found in both species at the later filtration stage. This work clearly revealed the fundamental mechanism of FO membrane fouling caused by real microalgal suspension, and it will improve our understanding of the evolutionary fouling performances of algal EPS.
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Affiliation(s)
- Cheng-Cheng Ji
- College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, PR China; College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Ke-Yu Chen
- College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, PR China
| | - Shao-Kang Deng
- College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, PR China
| | - Jian-Xiao Wang
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Materials Science and Engineering, Tiangong University, Tianjin 300387, PR China
| | - Yun-Xia Hu
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Materials Science and Engineering, Tiangong University, Tianjin 300387, PR China
| | - Xin-Hua Xu
- College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, PR China
| | - Li-Hua Cheng
- College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, PR China; MOE Engineering Research Center of Membrane & Water Treatment Technology, Zhejiang University, Hangzhou 310058, PR China.
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28
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Hou C, Cheng X, Zhang X, Zhu X, Xu J, Luo X, Wu D, Liang H. Effect of ferrous-activated calcium peroxide oxidation on forward osmosis treatment of algae-laden water: Membrane fouling mitigation and mechanism. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:160100. [PMID: 36370779 DOI: 10.1016/j.scitotenv.2022.160100] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/30/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
Forward osmosis (FO) is a high-efficiency and low-energy consumption way for algae-laden water treatment, whereas membrane fouling is still an unavoidable problem in its practical application. In this work, a strategy of ferrous-activated calcium peroxide (Fe(II)/CaO2) was proposed to control FO membrane fouling in the purification of algae-laden water. With the treatment of Fe(II)/CaO2, the aggregation of algal contaminants was promoted, the cell viability and integrity were well preserved, and the fluorescent organics were efficiently removed. With respect to the fouling of FO membrane, the flux decline was generally alleviated, and the flux recovery was promoted to varying degrees under different process conditions. It could be revealed through the extended Derjaguin-Landau-Verwey-Overbeek theory that the adhesion of contaminants and membrane surfaces was reduced by Fe(II)/CaO2 treatment. The interface morphologies and functional groups of membrane verified that Fe(II)/CaO2 could mitigate the fouling by reducing the amount of algal contaminants adhering to the FO membrane. The co-coagulation of in-situ Fe(III) together with Ca(OH)2, as well as the oxidation of •OH were the main mechanisms for fouling mitigation. In sum, the Fe(II)/CaO2 process could effectively improve the efficiency of FO for algae-laden water treatment, and has broad application prospects.
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Affiliation(s)
- Chengsi Hou
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, PR China
| | - Xiaoxiang Cheng
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, PR China; Resources and Environment Innovation Institute, Shandong Jianzhu University, Jinan 250101, PR China.
| | - Xinyu Zhang
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, PR China
| | - Xuewu Zhu
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, PR China
| | - Jingtao Xu
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, PR China
| | - Xinsheng Luo
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, PR China.
| | - Daoji Wu
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, PR China; Resources and Environment Innovation Institute, Shandong Jianzhu University, Jinan 250101, PR China
| | - Heng Liang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, PR China
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29
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Singh SK, Maiti A, Pandey A, Jain N, Sharma C. Fouling limitations of osmotic pressure‐driven processes and its remedial strategies: A review. J Appl Polym Sci 2023. [DOI: 10.1002/app.53295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Affiliation(s)
- Satish Kumar Singh
- Department of Paper Technology Indian Institute of Technology Roorkee Saharanpur India
| | - Abhijit Maiti
- Department of Polymer and Process Engineering Indian Institute of Technology Roorkee Saharanpur India
| | - Aaditya Pandey
- Department of Polymer and Process Engineering Indian Institute of Technology Roorkee Saharanpur India
| | - Nishant Jain
- Department of Polymer and Process Engineering Indian Institute of Technology Roorkee Saharanpur India
| | - Chhaya Sharma
- Department of Paper Technology Indian Institute of Technology Roorkee Saharanpur India
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30
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Piash KS, Sanyal O. Design Strategies for Forward Osmosis Membrane Substrates with Low Structural Parameters-A Review. MEMBRANES 2023; 13:73. [PMID: 36676880 PMCID: PMC9865366 DOI: 10.3390/membranes13010073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/03/2023] [Accepted: 01/05/2023] [Indexed: 06/17/2023]
Abstract
This article reviews the many innovative strategies that have been developed to specifically design the support layers of forward osmosis (FO) membranes. Forward osmosis (FO) is one of the most viable separation technologies to treat hypersaline wastewater, but its successful deployment requires the development of new membrane materials beyond existing desalination membranes. Specifically, designing the FO membrane support layers requires new engineering techniques to minimize the internal concentration polarization (ICP) effects encountered in cases of FO. In this paper, we have reviewed several such techniques developed by different research groups and summarized the membrane transport properties corresponding to each approach. An important transport parameter that helps to compare the various approaches is the so-called structural parameter (S-value); a low S-value typically corresponds to low ICP. Strategies such as electrospinning, solvent casting, and hollow fiber spinning, have been developed by prior researchers-all of them aimed at lowering this S-value. We also reviewed the quantitative methods described in the literature, to evaluate the separation properties of FO membranes. Lastly, we have highlighted some key research gaps, and provided suggestions for potential strategies that researchers could adopt to enable easy comparison of FO membranes.
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31
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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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32
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Development of high-performance CuBTC MOF-based forward osmosis (FO) membranes and their cleaning strategies. Chem Eng Res Des 2023. [DOI: 10.1016/j.cherd.2023.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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33
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Liu J, Abdirahman AA, Wang X, Su Y. Assembly of polyamide nanofilms for nanofiltration membranes with ultra-high desalination performance. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2023.121399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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34
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Kai Fan, Gao C, Li B, Chen Y, Li J, Xu F. Preparation of PVDF-g-PVP@GO Membrane by Homogeneous Solution Co-irradiation and Its Anti-Fouling Performance. POLYMER SCIENCE SERIES A 2022. [DOI: 10.1134/s0965545x23700724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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35
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Yin Y, Li T, Zuo K, Liu X, Lin S, Yao Y, Tong T. Which Surface Is More Scaling Resistant? A Closer Look at Nucleation Theories for Heterogeneous Gypsum Nucleation in Aqueous Solutions. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:16315-16324. [PMID: 36305705 DOI: 10.1021/acs.est.2c06560] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Developing engineered surfaces with scaling resistance is an effective means to inhibit surface-mediated mineral scaling in various industries including desalination. However, contrasting results have been reported on the relationship between scaling potential and surface hydrophilicity. In this study, we combine a theoretical analysis with experimental investigation to clarify the effect of surface wetting property on heterogeneous gypsum (CaSO4·2H2O) formation on surfaces immersed in aqueous solutions. Theoretical prediction derived from classical nucleation theory (CNT) indicates that an increase of surface hydrophobicity reduces scaling potential, which contrasts our experimental results that more hydrophilic surfaces are less prone to gypsum scaling. We further consider the possibility of nonclassical pathway of gypsum nucleation, which proceeds by the aggregation of precursor clusters of CaSO4. Accordingly, we investigate the affinity of CaSO4 to substrate surfaces of varied wetting properties via calculating the total free energy of interaction, with the results perfectly predicting experimental observations of surface scaling propensity. This indicates that the interactions between precursor clusters of CaSO4 and substrate surfaces might play an important role in regulating heterogeneous gypsum formation. Our findings provide evidence that CNT might not be applicable to describing gypsum scaling in aqueous solutions. The fundamental insights we reveal on gypsum scaling mechanisms have the potential to guide rational design of scaling-resistant engineered surfaces.
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Affiliation(s)
- Yiming Yin
- Department of Civil and Environmental Engineering, Colorado State University, Fort Collins, Colorado80523, United States
| | - Tianshu Li
- Department of Civil and Environmental Engineering, George Washington University, Washington, District of Columbia20052, United States
| | - Kuichang Zuo
- The Key Laboratory of Water and Sediment Science, Ministry of Education; College of Environment Science and Engineering, Peking University, Beijing100871, China
| | - Xitong Liu
- Department of Civil and Environmental Engineering, George Washington University, Washington, District of Columbia20052, United States
| | - Shihong Lin
- Department of Civil and Environmental Engineering, Vanderbilt University, Nashville, Tennessee37212, United States
| | - Yiqun Yao
- Department of Civil and Environmental Engineering, Colorado State University, Fort Collins, Colorado80523, United States
| | - Tiezheng Tong
- Department of Civil and Environmental Engineering, Colorado State University, Fort Collins, Colorado80523, United States
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36
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Cheng X, Xu Y, Lei Z, Du J. Investigation on operational parameters and membrane fouling performance in treating synthetic aquaculture wastewater via forward osmosis with sucrose as draw solution. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 847:157573. [PMID: 35882325 DOI: 10.1016/j.scitotenv.2022.157573] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/07/2022] [Accepted: 07/18/2022] [Indexed: 06/15/2023]
Abstract
Forward osmosis (FO), a membrane separation process driven by a natural concentration gradient, is served as a potential strategy in the aspect of wastewater treatment. In this work, a worthy attempt at aquaculture wastewater treatment using a self-made FO system was conducted, confirming it was a promising approach to treating aquaculture wastewater. Optimization of operational parameters of the FO system, including draw solution (DS) concentration, cross-flow velocity, and DS temperature, was systematically investigated to enhance the running efficiency. Different selected parameters highly influenced the water flux during the single-factor experiments, and the findings indicated that the optimal conditions were DS of 1.5 M, cross-flow velocity of 15 cm/s, and temperature of 32 °C with consideration of FO performance and economical cost. An excellent linear relationship between chemical oxygen demand (COD) changing multiples and operational parameters was obtained from experimental results, offering a great interception performance of organic contamination. On the basis of optimal operating conditions, membrane fouling experiments with different running time were conducted, and the microscopic morphology and element composition of the fouled membrane were also analyzed. The results demonstrated that a layer of cake was coated on the surface of the membrane, and the main elements in the fouling cake included C, O, Na, and S, which were highly determined by the component of the feed solution (FS) and working time. Afterward, the 60-h FO fouled membrane was cleaned under the method which combined hydraulic power and chemical agents, and the water flux recovered to 12.79 Lm-2 h-1, proving a good performance for the recovery of water flux. This investigation showed that employing sucrose as DS was effective for reducing wastewater volume, and it provided an alternative choice and a sustainable way for the separation of organic pollutants from water resources.
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Affiliation(s)
- Xia Cheng
- School of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Yuliang Xu
- School of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Zeyu Lei
- School of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Jianghui Du
- School of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China.
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37
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Suh D, Kim M, Lee C, Baek Y. Virus filtration in biopharmaceutical downstream processes: key factors and current limitations. SEPARATION & PURIFICATION REVIEWS 2022. [DOI: 10.1080/15422119.2022.2143379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Dongwoo Suh
- School of Chemical and Biological Engineering, College of Engineering, Institute of Chemical Process (ICP), Seoul National University (SNU), Gwanak-gu, Republic of Korea
| | - Mina Kim
- Department of Biotechnology, Institute of Basic Science, Sungshin Women’s University, Seoul, Republic of Korea
| | - Changha Lee
- School of Chemical and Biological Engineering, College of Engineering, Institute of Chemical Process (ICP), Seoul National University (SNU), Gwanak-gu, Republic of Korea
| | - Youngbin Baek
- Department of Biological Engineering, Inha University, Incheon, Republic of Korea
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38
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Zhu B, Shao R, Li N, Guo C, Liu P, Shi J, Min C, Liu S, Qian X, Wang L, Xu Z. Narrowing the pore size distribution of polyamide nanofiltration membranes via dragging piperazines to enhance ion selectivity. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.121187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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39
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Li Z, Han Q, Sun FY, Li S, Liu J, Liu X, Lu JJ, Li W. Unraveling effects of multivalent salts on internal fouling by proteins in NF-like forward osmosis. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.121236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
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41
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Ayyaru S, Ahn YH. Fabrication and application of novel high strength sulfonated PVDF ultrafiltration membrane for production of reclamation water. CHEMOSPHERE 2022; 305:135416. [PMID: 35738407 DOI: 10.1016/j.chemosphere.2022.135416] [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: 03/24/2022] [Revised: 06/15/2022] [Accepted: 06/16/2022] [Indexed: 06/15/2023]
Abstract
Advanced treated water (ATW) produced in wastewater treatment facilities was assessed as an excellent alternative water resource that can be used as reclamation water, such as indirect and direct potable reuse. The development of cutting-edge technology for simple but best practices is essential for the reliable production of safe reclamation water from wastewater. This study prepared a novel high strength sulfonated polyvinylidene fluoride (HSPVDF) ultrafiltration membrane and investigated to produce ATW, and performances were compared to sulfonated PVDF (SPVDF) (which was prepared without thermal treatment) and bare PVDF. To compare the properties of HSPVDF to hydrocarbon polymer, the polyetherimide (PEI) and Sulfonated PEI (SPEI) membrane were prepared. HSPVDF showed excellent membrane morphology, porosity, MWCO, and hydrophilicity, resulting in higher pure water flux (712 ± 6 L m-2 h-1) antifouling properties (Rir 1.3% and FRR 98.6%) compared to PVDF. It is an interesting fact that the tensile strength of the HSPVDF (3.4 ± 0.2 MPa) tremendously increased (3 folders) when compere to PVDF (1.3 ± 0.1 MPa). The HSPVDF membrane showed good removal efficiency up to 96 ± 05% and 97 ± 09% rejection for bovine serum albumin (BSA) and humic acid (HA), respectively. The membrane application studies for wastewater treatment showed that the tertiary HSPVDF UF membrane filtration following the nutrient removal activated sludge (NRAS) process can produce reliable and economic performance (125 ± 2 L m-2 h-1, 0.25 ± 0.05 NTU, no pathogens), suggesting that it can be a best practice technique that can replace the complicated multi-staged tertiary processes to produce reclamation water.
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Affiliation(s)
- Sivasankaran Ayyaru
- Department of Civil Engineering, Yeungnam University, Gyeongsan, 38541, South Korea
| | - Young-Ho Ahn
- Department of Civil Engineering, Yeungnam University, Gyeongsan, 38541, South Korea.
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Han S, Xie Y, Xin Q, Lv J, Zhang Y, Wang F, Fu X, Li H, Zhao L, Ye H, Zhang Y. High permeability dual-channel membranes based on porous Fluorine–Cerium nanosheets for molecular sieving. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.121126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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43
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Han M, Han Q, Wu S, Xiao H, Zhang L, Lin Y, Meng F, Zhao S. Unveiling the Impacts of Sodium Hypochlorite on the Characteristics and Fouling Behaviors of Different Commercial Polyvinylidene Fluoride Hollow Fiber Membranes. MEMBRANES 2022; 12:965. [PMID: 36295724 PMCID: PMC9607576 DOI: 10.3390/membranes12100965] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 09/27/2022] [Accepted: 09/28/2022] [Indexed: 06/16/2023]
Abstract
Sodium hypochlorite (NaOCl) is a commonly used cleaning agent for recovering membrane performance in membrane technologies. A thorough understanding of the impacts of NaOCl exposure on membrane properties and fouling behavior is important for optimizing chemical cleaning process and extending membrane lifespan. In this study, three commercial polyvinylidene fluoride (PVDF) hollow fiber ultrafiltration membranes (SMM-1010, MEMCOR® CS II and ZeeWeed 500) were used to systematically explore the effects of NaOCl dose and solution pH (8 and 10) on membrane properties. The results showed that membrane pores increased with exposure time prolonging, and more pores were observed at pH 8 aging condition. The amide group in the Fourier transformation infrared spectra was disappeared, while the carboxylic acid and succinimide groups were formed at pH 10 and pH 8 conditions, respectively. The hydrophilicity and pure water permeability (PWP) of SMM-1010 and MEMCOR® CS II membranes had insignificant changes during NaOCl aging process, whereas the hydrophilicity of ZeeWeed 500 membrane slightly decreased and its PWP increased by 1.4-fold. The antifouling properties of NaOCl-aged SMM-1010 and MEMCOR® CS II membranes were slightly improved, whereas the NaOCl-aged ZeeWeed 500 membrane showed severer flux decline with humic acid filtration. Our findings could provide guidance for practical chemical cleaning process optimization.
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Affiliation(s)
- Muqiao Han
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510006, China
| | - Qi Han
- Guangzhou Jinrongtao Environmental Protection Technology Co., Ltd., Guangzhou 511400, China
| | - Shanwei Wu
- Guangzhou Jinrongtao Environmental Protection Technology Co., Ltd., Guangzhou 511400, China
| | - Hu Xiao
- Guangzhou Jinrongtao Environmental Protection Technology Co., Ltd., Guangzhou 511400, China
| | - Lei Zhang
- Guangzhou Jinrongtao Environmental Protection Technology Co., Ltd., Guangzhou 511400, China
| | - Yibo Lin
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510006, China
| | - Fangang Meng
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510006, China
| | - Shanshan Zhao
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510006, China
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Fabrication of dialyzer membrane-based forward osmosis modules via vacuum-assisted interfacial polymerization for the preparation of dialysate. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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45
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Polycarbonate/polyvinyl alcohol thin film nanocomposite membrane incorporated with silver nanoparticles for water treatment. BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING 2022. [DOI: 10.1007/s43153-022-00273-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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46
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Impact of Graphene Oxide on Properties and Structure of Thin-Film Composite Forward Osmosis Membranes. Polymers (Basel) 2022; 14:polym14183874. [PMID: 36146018 PMCID: PMC9506024 DOI: 10.3390/polym14183874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/02/2022] [Accepted: 09/08/2022] [Indexed: 11/28/2022] Open
Abstract
Forward osmosis (FO) membranes have the advantages of low energy consumption, high water recovery rate, and low membrane pollution trend, and they have been widely studied in many fields. However, the internal concentration polarization (ICP) caused by the accumulation of solutes in the porous support layer will reduce permeation efficiency, which is currently unavoidable. In this paper, we doped Graphene oxide (GO) nanoparticles (50~150 nm) to a polyamide (PA) active layer and/or polysulfone (PSF) support layer, investigating the influence of GO on the morphology and properties of thin-film composite forward osmosis (TFC-FO) membranes. The results show that under the optimal doping amount, doping GO to the PA active layer and PSF support layer, respectively, is conducive to the formation of dense and uniform nano-scale water channels perpendicular to the membrane surface possessing a high salt rejection rate and low reverse solute flux without sacrificing high water flux. Moreover, the water channels formed by doping GO to the active layer possess preferable properties, which significantly improves the salt rejection and water permeability of the membrane, with a salt rejection rate higher than 99% and a water flux of 54.85 L·m−2·h−1 while the pure PSF-PA membrane water flux is 12.94 L·m−2·h−1. GO-doping modification is promising for improving the performance and structure of TFC-FO membranes.
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Chu H, Zhang Z, Zhong H, Yang K, Sun P, Liao X, Cai M. Athermal Concentration of Blueberry Juice by Forward Osmosis: Food Additives as Draw Solution. MEMBRANES 2022; 12:808. [PMID: 36005724 PMCID: PMC9414217 DOI: 10.3390/membranes12080808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 08/12/2022] [Indexed: 06/15/2023]
Abstract
This study is to evaluate the athermal forward osmosis (FO) concentration process of blueberry juice using food additives as a draw solution (DS). The effects of food additives, including citric acid, sodium benzoate, and potassium sorbate, on the concentration processes are studied, and their effects on the products and membranes are compared. Results show that all these three food additives can be alternative DSs in concentration, among which citric acid shows the best performance. The total anthocyanin content (TAC) of blueberry juice concentrated by citric acid, sodium benzoate, and potassium sorbate were 752.56 ± 29.04, 716.10 ± 30.80, and 735.31 ± 24.92 mg·L-1, respectively, increased by 25.5%, 17.8%, and 19.9%. Meanwhile, the total phenolic content (TPC) increased by 21.0%, 10.6%, and 16.6%, respectively. Citric acid, sodium benzoate, and potassium sorbate all might reverse into the concentrated juice in amounts of 3.083 ± 0.477, 1.497 ± 0.008, and 0.869 ± 0.003 g/kg, respectively. These reversed food additives can make the TPC and TAC in juice steadier during its concentration and storage. Accordingly, food additives can be an excellent choice for DSs in the FO concentration process of juices, not only improving the concentration efficiency but also increasing the stability of blueberry juice.
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Affiliation(s)
- Haoqi Chu
- Department of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China
- Key Laboratory of Food Macromolecular Resources Processing Technology Research, Zhejiang University of Technology, China National Light Industry, Hangzhou 310014, China
| | - Zhihan Zhang
- Department of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China
- Key Laboratory of Food Macromolecular Resources Processing Technology Research, Zhejiang University of Technology, China National Light Industry, Hangzhou 310014, China
| | - Huazhao Zhong
- Department of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China
- Key Laboratory of Food Macromolecular Resources Processing Technology Research, Zhejiang University of Technology, China National Light Industry, Hangzhou 310014, China
| | - Kai Yang
- Department of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China
- Key Laboratory of Food Macromolecular Resources Processing Technology Research, Zhejiang University of Technology, China National Light Industry, Hangzhou 310014, China
| | - Peilong Sun
- Department of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China
- Key Laboratory of Food Macromolecular Resources Processing Technology Research, Zhejiang University of Technology, China National Light Industry, Hangzhou 310014, China
| | - Xiaojun Liao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
- Beijing Key Laboratory for Food Nonthermal Processing, National Engineering Research Center for Fruit & Vegetable Processing, Beijing 100083, China
| | - Ming Cai
- Department of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China
- Key Laboratory of Food Macromolecular Resources Processing Technology Research, Zhejiang University of Technology, China National Light Industry, Hangzhou 310014, China
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Park K, Lee D, Lim JH, Hong J, Lim G. Four-Dimensional Visualization of Microscale Dynamics of Membrane Oil Fouling via Synchrotron Radiation Microcomputed Tomography. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:9884-9891. [PMID: 35921519 DOI: 10.1021/acs.langmuir.2c01051] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Although oil-water separation technology via wettability-controlled membranes has emerged as a promising technology to treat oily wastewater, membrane fouling by faulents such as sludge flocs and colloids, and the consequent clogging of pores, severely degrades the efficiency of filtration systems. One of the main promotors of fouling by faulents is oil fouling, which is also a form of fouling itself. Despite considerable practical and academic interest in the analysis of oil-fouled membranes, direct visualization of the entire process of oil infiltration into hydrophilic membranes is still preliminary owing to (i) the similar optical contrast and physical density between oil and water, (ii) the low penetration depth of imaging methods, and (iii) the lack of 3D segmentation capability. In this study, microcomputed X-ray tomography using tunable synchrotron radiation provided direct high-speed 3D visualization of the microscale dynamics of the oil infiltration of a prewetted hydrophilic filter membrane over time. Direct visualization of the interfacial dynamics of oil infiltration opens a window into the complex liquid (water/oil)-gas-solid interface and thus helps furnish an in-depth understanding of oil fouling in the prewetted membrane.
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Affiliation(s)
- Kyungjin Park
- Department of Medical Life Sciences, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Dongyun Lee
- Division of Advanced Nuclear Engineering, Pohang University of Science and Technology (POSTECH), 77, Cheongam-ro, Nam-gu, Pohang, Gyeongbuk 37673, Republic of Korea
| | - Jae-Hong Lim
- Pohang Accelerator Laboratory, Pohang University of Science and Technology (POSTECH), 77, Cheongam-ro, Nam-gu, Pohang, Gyeongbuk 37673, Republic of Korea
| | - Jiwoo Hong
- School of Mechanical Engineering, Soongsil University, 369 Sangdo-Ro, Dongjak-Gu, Seoul 06978, Republic of Korea
| | - Geunbae Lim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), 77, Cheongam-ro, Nam-gu, Pohang, Gyeongbuk 37673, Republic of Korea
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49
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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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50
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Surface Hydrophilicity Modification of Thin-Film Composite Membranes with Metal−Organic Frameworks (MOFs) Ti-UiO-66 for Simultaneous Enhancement of Anti-fouling Property and Desalination Performance. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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