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Roy N, Das C, Paul M, Im J, Biswas G. Adsorptive Elimination of a Cationic Dye and a Hg (II)-Containing Antiseptic from Simulated Wastewater Using a Metal Organic Framework. Molecules 2024; 29:886. [PMID: 38398637 PMCID: PMC10892504 DOI: 10.3390/molecules29040886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 02/11/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
Several types of pollutants have acute adverse effects on living bodies, and the effective removal of these pollutants remains a challenge. Safranin O (a biological dye) and merbromin (a topical mercury-containing antiseptic) are considered organic pollutants, and there are only a few reports on their removal. Synthesized and well-characterized (through PXRD, FTIR, FESEM, and EDS analysis) MOF-5 was used for the first time in the removal of safranin O and merbromin from simulated wastewater and real wastewater. In both cases, MOF-5 effectively removed contaminants. We found that in simulated wastewater, the highest efficiency of removal of safranin O was 53.27% (for 15 mg/L) at pH 10, and for merbromin, it was 41.49% (for 25 mg/L) at pH 6. In the case of real wastewater containing natural ions (Na+, K+, F-, Cl-, SO42-, PO43-, Mg2+, and Ca2+) and other molecules, the removal efficiencies of these two dyes decreased (34.00% and 26.28% for safranin O and merbromin, respectively) because of the presence of other ions and molecules. A plausible mechanism for the removal of these pollutants using MOF-5 was proposed.
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Affiliation(s)
- Nilanjan Roy
- Department of Chemistry, Cooch Behar Panchanan Barma University, Cooch Behar 736101, West Bengal, India; (N.R.); (C.D.)
| | - Chanchal Das
- Department of Chemistry, Cooch Behar Panchanan Barma University, Cooch Behar 736101, West Bengal, India; (N.R.); (C.D.)
| | - Mohuya Paul
- Department of Electronic Materials, Devices and Equipment Engineering, Soonchunhyang University, Asan 31538, Republic of Korea;
| | - Jungkyun Im
- Department of Electronic Materials, Devices and Equipment Engineering, Soonchunhyang University, Asan 31538, Republic of Korea;
- Department of Chemical Engineering, Soonchunhyang University, Asan 31538, Republic of Korea
| | - Goutam Biswas
- Department of Chemistry, Cooch Behar Panchanan Barma University, Cooch Behar 736101, West Bengal, India; (N.R.); (C.D.)
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2
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Jiang H, Chen H, Wei K, Liu L, Sun M, Zhou M. Comprehensive analysis of research trends and prospects in electrochemical advanced oxidation processes (EAOPs) for wastewater treatment. CHEMOSPHERE 2023; 341:140083. [PMID: 37696481 DOI: 10.1016/j.chemosphere.2023.140083] [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: 06/01/2023] [Revised: 07/30/2023] [Accepted: 09/04/2023] [Indexed: 09/13/2023]
Abstract
Electrochemical advanced oxidation processes (EAOPs) have emerged as a promising approach for efficient wastewater treatment. However, despite their promising potential, there is a lack of comprehensive analysis regarding the research trends, bibliometric data, and research frontiers of EAOPs. To address this gap, this study conducted a thorough and comprehensive analysis of 2347 related articles in the Web of Science Core Collection Database from 2012 to 2022. The analysis included information on countries, authors, institutions, and more, with a focus on summarizing trends and cutting-edge research hotspots in the field. The University of Barcelona in Spain is the most effective institution. Brillas E. is the most productive author in the world. Research hotspots in EAOPs have evolved from traditional anodic oxidation (AO) to novel electro-Fenton (EF) technology, which focuses on efficient generation of H2O2 and the use of metal-organic frameworks to enhance performance and efficiency. Through systematic research hotspot analysis, the importance of performance comparison of different types of EAOPs, development of new materials, optimization of device parameters, and toxicity assessment of byproducts is highlighted. Concurrently, the rise and mechanisms of emerging EAOPs are predicted and analyzed. Finally, future research on EAOPs technologies should focus on technological coupling, development of new materials, reduction of energy consumption and cost, evaluation and minimization of toxicity, and exploration of green renewable energy sources for larger-scale applications in wastewater treatment pilot plants. In this way, these technologies can contribute to the sustainability of larger industrial wastewater treatment applications and make an important contribution to environmental protection and scientific and technological progress.
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Affiliation(s)
- Hanfeng Jiang
- Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Haoming Chen
- Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Kajia Wei
- Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Lufan Liu
- Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Mingdi Sun
- Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Minghua Zhou
- Key Laboratory of Pollution Process and Environmental Criteria, Ministry of Education, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China.
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Kislyi A, Moroz I, Guliaeva V, Prokhorov Y, Klevtsova A, Mareev S. Electrochemical Oxidation of Organic Pollutants in Aqueous Solution Using a Ti 4O 7 Particle Anode. MEMBRANES 2023; 13:membranes13050521. [PMID: 37233582 DOI: 10.3390/membranes13050521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 05/04/2023] [Accepted: 05/11/2023] [Indexed: 05/27/2023]
Abstract
Anodes based on substoichiometric titanium oxide (Ti4O7) are among the most effective for the anodic oxidation of organic pollutants in aqueous solutions. Such electrodes can be made in the form of semipermeable porous structures called reactive electrochemical membranes (REMs). Recent work has shown that REMs with large pore sizes (0.5-2 mm) are highly efficient (comparable or superior to boron-doped diamond (BDD) anodes) and can be used to oxidize a wide range of contaminants. In this work, for the first time, a Ti4O7 particle anode (with a granule size of 1-3 mm and forming pores of 0.2-1 mm) was used for the oxidation of benzoic, maleic and oxalic acids and hydroquinone in aqueous solutions with an initial COD of 600 mg/L. The results demonstrated that a high instantaneous current efficiency (ICE) of about 40% and a high removal degree of more than 99% can be achieved. The Ti4O7 anode showed good stability after 108 operating hours at 36 mA/cm2.
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Affiliation(s)
- Andrey Kislyi
- Membrane Institute, Kuban State University, 149 Stavropolskaya St., 350040 Krasnodar, Russia
| | - Ilya Moroz
- Membrane Institute, Kuban State University, 149 Stavropolskaya St., 350040 Krasnodar, Russia
| | - Vera Guliaeva
- Membrane Institute, Kuban State University, 149 Stavropolskaya St., 350040 Krasnodar, Russia
| | - Yuri Prokhorov
- Membrane Institute, Kuban State University, 149 Stavropolskaya St., 350040 Krasnodar, Russia
| | - Anastasiia Klevtsova
- Membrane Institute, Kuban State University, 149 Stavropolskaya St., 350040 Krasnodar, Russia
| | - Semyon Mareev
- Membrane Institute, Kuban State University, 149 Stavropolskaya St., 350040 Krasnodar, Russia
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Facile preparation of TiO2/SiO2/modified polystyrene resin composite superhydrophobic coatings for self-cleaning and oil/water separation. Colloid Polym Sci 2023. [DOI: 10.1007/s00396-022-05032-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Gu L, Zhang Y, Han W, Wei K. Membrane Fouling and Electrochemical Regeneration at a PbO 2-Reactive Electrochemical Membrane: Study on Experiment and Mechanism. MEMBRANES 2022; 12:membranes12080814. [PMID: 36005729 PMCID: PMC9414896 DOI: 10.3390/membranes12080814] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 06/01/2023]
Abstract
Membrane fouling and regeneration are the key issues for the application of membrane separation (MS) technology. Reactive electrochemical membranes (REMs) exhibited high, stable permeate flux and the function of chemical-free electrochemical regeneration. This study fabricated a micro-filtration REM characterized by a PbO2 layer (PbO2-REM) to investigate the electro-triggered anti-fouling and regeneration progress within REMs. The PbO2-REM exhibited a three-dimensional porous structure with a few branch-like micro-pores. The PbO2-REM could alleviate Humic acid (HA) and Bisphenol A (BPA) fouling through electrochemical degradation combined with bubble migration, which achieved the best anti-fouling performance at current density of 4 mA cm-2 with 99.2% BPA removal. Regeneration in the electro-backwash (e-BW) mode was found as eight times that in the forward wash and full flux recovery was achieved at a current density of 3 mA cm-2. EIS and simulation study also confirmed complete regeneration by e-BW, which was ascribed to the air-water wash formed by bubble migration and flow. Repeated regeneration tests showed that PbO2-REM was stable for more than five cycles, indicating its high durability for practical uses. Mechanism analysis assisted by finite element simulation illustrated that the high catalytic PbO2 layer plays an important role in antifouling and regeneration.
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Affiliation(s)
- Liankai Gu
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environment and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Yonghao Zhang
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environment and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China
| | - Weiqing Han
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environment and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Kajia Wei
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environment and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
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Zhou S, Zhu J, Wang Z, Yang Z, Yang W, Yin Z. Defective MOFs-based electrocatalytic self-cleaning membrane for wastewater reclamation: Enhanced antibiotics removal, membrane fouling control and mechanisms. WATER RESEARCH 2022; 220:118635. [PMID: 35609429 DOI: 10.1016/j.watres.2022.118635] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 05/16/2022] [Accepted: 05/17/2022] [Indexed: 05/09/2023]
Abstract
In order to resolve the poor antibiotics rejection and serious fouling of ultrafiltration (UF) membrane during municipal wastewater reclamation, a novel anodic membrane (defective UiO-66 (D-UiO-66)/Graphite/Polyvinylidene fluoride (PVDF)) with high pure water flux (596.1 L•h - 1•m - 2•bar-1) was fabricated by incorporating defective zirconium based metal-organic framework (D-UiO-66) and conductive graphite particles into PVDF matrix and applied in the coupling of electro-oxidation and membrane filtration process. Compared to the other anodic membranes (i.e., Graphite/PVDF and UiO-66/Graphite/PVDF), D-UiO-66/Graphite/PVDF possesses superior anti-fouling and self-cleaning abilities (flux recovery=100%, model foulant: bovine serum albumin) in both intermittent and continuous supply of electric field under current density of 0.01 mA/cm2; moreover, efficient antibiotics (tetracycline, norfloxacin, tylosin and sulfamethoxazole) removal (> 96.6%) and bactericidal efficiency against E. coli and S. aureus (100%) were achieved simultaneously without the addition of chemical reagents due to the higher electrocatalytic activity of anodic membrane for oxidation of pollutants by •OH and •O2- free radicals. Three degradation pathways of antibiotics were proposed and the self-cleaning mechanism of membrane was dominated by the synergy of the partial mineralization and the reduced fouling potential of foulants after oxidation as revealed by the increase in hydrophilicity, and decrease in negative charge and molecular weight. The fabricated membrane also presents excellent electrochemical stability, separation and self-cleaning performance for treatment of municipal secondary effluent during long-term filtration with low electric energy consumption, which is promising in wastewater reclamation.
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Affiliation(s)
- Shihao Zhou
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Carbon and Nitrogen Cycle Processes and Pollution Control, Nanjing Normal University, Nanjing 210023, China
| | - Junwen Zhu
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Carbon and Nitrogen Cycle Processes and Pollution Control, Nanjing Normal University, Nanjing 210023, China
| | - Zunrui Wang
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Carbon and Nitrogen Cycle Processes and Pollution Control, Nanjing Normal University, Nanjing 210023, China
| | - Zhen Yang
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Carbon and Nitrogen Cycle Processes and Pollution Control, Nanjing Normal University, Nanjing 210023, China
| | - Weiben Yang
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Carbon and Nitrogen Cycle Processes and Pollution Control, Nanjing Normal University, Nanjing 210023, China
| | - Zhonglong Yin
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Carbon and Nitrogen Cycle Processes and Pollution Control, Nanjing Normal University, Nanjing 210023, China.
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Mahlangu OT, Motsa MM, Nkambule TI, Mamba BB. Rejection of trace organic compounds by membrane processes: mechanisms, challenges, and opportunities. REV CHEM ENG 2022. [DOI: 10.1515/revce-2021-0046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
This work critically reviews the application of various membrane separation processes (MSPs) in treating water polluted with trace organic compounds (TOrCs) paying attention to nanofiltration (NF), reverse osmosis (RO), membrane bioreactor (MBR), forward osmosis (FO), and membrane distillation (MD). Furthermore, the focus is on loopholes that exist when investigating mechanisms through which membranes reject/retain TOrCs, with the emphasis on the characteristics of the model TOrCs which would facilitate the identification of all the potential mechanisms of rejection. An explanation is also given as to why it is important to investigate rejection using real water samples, especially when aiming for industrial application of membranes with novel materials. MSPs such as NF and RO are prone to fouling which often leads to lower permeate flux and solute rejection, presumably due to cake-enhanced concentration polarisation (CECP) effects. This review demonstrates why CECP effects are not always the reason behind the observed decline in the rejection of TOrCs by fouled membranes. To mitigate for fouling, researchers have often modified the membrane surfaces by incorporating nanoparticles. This review also attempts to explain why nano-engineered membranes have not seen a breakthrough at industrial scale. Finally, insight is provided into the possibility of harnessing solar and wind energy to drive energy intensive MSPs. Focus is also paid into how low-grade energy could be stored and applied to recover diluted draw solutions in FO mode.
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Affiliation(s)
- Oranso T. Mahlangu
- College of Engineering, Science and Technology, Institute for Nanotechnology and Water Sustainability, University of South Africa, Florida Science Campus , Roodepoort 1709 , South Africa
| | - Machawe M. Motsa
- College of Engineering, Science and Technology, Institute for Nanotechnology and Water Sustainability, University of South Africa, Florida Science Campus , Roodepoort 1709 , South Africa
| | - Thabo I. Nkambule
- College of Engineering, Science and Technology, Institute for Nanotechnology and Water Sustainability, University of South Africa, Florida Science Campus , Roodepoort 1709 , South Africa
| | - Bhekie B. Mamba
- College of Engineering, Science and Technology, Institute for Nanotechnology and Water Sustainability, University of South Africa, Florida Science Campus , Roodepoort 1709 , South Africa
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Chakrabarty T, Sarkar S. Algal treatment of membrane rejects: a unique approach towards zero liquid discharge. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2022; 24:1321-1329. [PMID: 35019788 DOI: 10.1080/15226514.2021.2025208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A major concern in membrane-based water purification system is generation of huge concentrate stream and wastage of water. A typical Reverse osmosis (RO) or Nanofiltration (NF) system generates 20-25% reject containing high amount of dissolved salts and other contaminants. Contrary to popular belief, this reject water cannot be used without removing the contaminants or cannot be discharged anywhere. Main goal of this project is to find a cheapest and green way for treatment of RO/NF reject. Algal evaporation technique was explored in laboratory scale, to find its suitability for treatment of chloride-rich membrane reject in actual scenario and based on the results obtained, a pilot plant of 48KL was established on Hooghly Met Coke division (HMC), Tata Steel. Particular species of microalgae was selected, to take up minerals from reject water. There are several types of bacteria and symbiotic algae associated with selected micro algae survive in high TDS. A unique slope roof system, connected with algae growth tank, helps in efficient evaporation of water ensuring a Zero discharge. A markedly improved performance was achieved when algal evaporation followed solar evaporation. A total evaporation of 11 L/m2/day was observed, which was almost five times faster than Solar evaporation.
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Affiliation(s)
| | - Supriya Sarkar
- R&D, Environment Research Group, Tata Steel, Jamshedpur, India
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Li N, Lu X, He M, Duan X, Yan B, Chen G, Wang S. Catalytic membrane-based oxidation-filtration systems for organic wastewater purification: A review. JOURNAL OF HAZARDOUS MATERIALS 2021; 414:125478. [PMID: 33652213 DOI: 10.1016/j.jhazmat.2021.125478] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 01/31/2021] [Accepted: 02/19/2021] [Indexed: 06/12/2023]
Abstract
Catalytic membranes can simultaneously realize physical separation and chemical oxidation in one integrated system, which is the frontier technology for effective removal of organic containments in wastewater treatment. The catalytic membrane coupled with advanced oxidation processes (AOPs) not only significantly enhances the pollutant removal efficiency but also inhibits the fouling of the membrane via self-cleaning. In this review, the preparation approaches of catalytic membranes including blending, surface coating, and bottom-up synthesis are comprehensively summarized. The different integrated catalytic membrane systems coupled with photocatalysis, Fenton oxidation, persulfate activations, ozonation and electrocatalytic oxidation are discussed in terms of mechanisms and performance. Besides, the principles, influencing factors, advantages and issues of the different catalytic membrane/oxidation systems are outlined comparatively. Finally, the future challenges, and research directions are suggested, which is conducive to the design and development of catalytic membrane-oxidation systems for practical remediation of organic containing wastewater.
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Affiliation(s)
- Ning Li
- School of Environmental Science and Engineering/Tianjin Engineering Research Center of Bio Gas/Oil Technology, Tianjin University, Tianjin 300072, China
| | - Xukai Lu
- School of Environmental Science and Engineering/Tianjin Engineering Research Center of Bio Gas/Oil Technology, Tianjin University, Tianjin 300072, China
| | - Mengting He
- School of Environmental Science and Engineering/Tianjin Engineering Research Center of Bio Gas/Oil Technology, Tianjin University, Tianjin 300072, China
| | - Xiaoguang Duan
- School of Chemical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Beibei Yan
- School of Environmental Science and Engineering/Tianjin Engineering Research Center of Bio Gas/Oil Technology, Tianjin University, Tianjin 300072, China
| | - Guanyi Chen
- School of Environmental Science and Engineering/Tianjin Engineering Research Center of Bio Gas/Oil Technology, Tianjin University, Tianjin 300072, China; Georgia Tech Shenzhen Institute, Tianjin University, Shenzhen 518071, China.
| | - Shaobin Wang
- School of Chemical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia.
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