1
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Fang H, Zhang Y, Xu J, Xing J, Lin H, Wang L. Introducing Br, K, and cyano group into carbon nitride for efficient photocatalytic hydrogen peroxide production then in situ tetracycline mineralization. J Colloid Interface Sci 2024; 667:433-440. [PMID: 38640662 DOI: 10.1016/j.jcis.2024.04.104] [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: 02/17/2024] [Revised: 04/05/2024] [Accepted: 04/15/2024] [Indexed: 04/21/2024]
Abstract
In this work, Br, K-doped and cyano group-rich carbon nitride (CN) were prepared via pyrolysis of molten urea and 6-Bromopyridine-3-carbaldehyde, followed by re-calcination with potassium thiocyanate. The hydrogen peroxide (H2O2) evolution and in situ tetracycline (TC) mineralization performances of the prepared samples were studied. The optimal sample could produce 9127 μmol g-1 h-1 H2O2 from 10 vol% ethanol solution and air atmosphere, which was 10.9 times higher than that of pristine CN. With addition of 4 mg L-1 Fe2+ ions, 97.2% of TC (10 mg L-1) and 98.7% of total organic carbon were removed in 30 min under the actions of holes, hydroxyl and superoxide radicals. The high H2O2 yield and TC mineralization ratio were attributed to the increased light absorption, efficient electrons-holes separation, enhanced surface O2 adsorption (0.3878 mmol g-1), and accelerated conversion from Fe3+ to Fe2+ ions. Meanwhile, the system possessed good reusability in H2O2 evolution and TC removal. It is expected that this work can provide new ideas to design CN-based photo-Fenton system to treat wastewater.
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Affiliation(s)
- Huawei Fang
- Key Laboratory of Eco-chemical Engineering, Taishan Scholar Advantage and Characteristic Discipline Team of Eco-Chemical Process and Technology, Qingdao University of Science and Technology, Qingdao 266042, China; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Yu Zhang
- Key Laboratory of Eco-chemical Engineering, Taishan Scholar Advantage and Characteristic Discipline Team of Eco-Chemical Process and Technology, Qingdao University of Science and Technology, Qingdao 266042, China; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Jixiang Xu
- Key Laboratory of Eco-chemical Engineering, Taishan Scholar Advantage and Characteristic Discipline Team of Eco-Chemical Process and Technology, Qingdao University of Science and Technology, Qingdao 266042, China; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Jun Xing
- Key Laboratory of Eco-chemical Engineering, Taishan Scholar Advantage and Characteristic Discipline Team of Eco-Chemical Process and Technology, Qingdao University of Science and Technology, Qingdao 266042, China; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Haifeng Lin
- Key Laboratory of Eco-chemical Engineering, Taishan Scholar Advantage and Characteristic Discipline Team of Eco-Chemical Process and Technology, Qingdao University of Science and Technology, Qingdao 266042, China; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Lei Wang
- Key Laboratory of Eco-chemical Engineering, Taishan Scholar Advantage and Characteristic Discipline Team of Eco-Chemical Process and Technology, Qingdao University of Science and Technology, Qingdao 266042, China; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
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2
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Wang Y, Hu X, Chen X, Ren Z, Li Y, Miao J, He Y, Zhang P, Li C, Zhu Q. Potential of metallurgical iron-containing solid waste-based catalysts as activator of persulfate for organic pollutants degradation. CHEMOSPHERE 2024; 359:142276. [PMID: 38761830 DOI: 10.1016/j.chemosphere.2024.142276] [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: 01/12/2024] [Revised: 04/09/2024] [Accepted: 05/05/2024] [Indexed: 05/20/2024]
Abstract
The production of solid wastes in the metallurgical industry has significant implications for land resources and environmental pollution. To address this issue, it is crucial to explore the potential of recycling these solid wastes to reduce land occupation while protecting the environment and promoting resource utilization. Steel slag, red mud, copper slag and steel picking waste liquor are examples of solid wastes generated during the metallurgical process that possess high iron content and Fe species, making them excellent catalysts for persulfate-based advanced oxidation processes (PS-AOPs). This review elucidates the catalytic mechanisms and pathways of Fe2+ and Fe0 in the activation PS. Additionally, it underscores the potential of metallurgical iron-containing solid waste (MISW) as a catalyst for PS activation, offering a viable strategy for its high-value utilization. Lastly, the article provides an outlook towards future challenges and prospects for MISW in PS activation for the degradation of organic pollutants.
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Affiliation(s)
- Yang Wang
- College of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, 030024, Shanxi, China
| | - Xin Hu
- College of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, 030024, Shanxi, China
| | - Xingyue Chen
- College of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, 030024, Shanxi, China
| | - Zhifeng Ren
- College of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, 030024, Shanxi, China
| | - Yihong Li
- College of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, 030024, Shanxi, China
| | - Jing Miao
- College of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, 030024, Shanxi, China
| | - Yibo He
- College of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, 030024, Shanxi, China
| | - Peng Zhang
- College of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, 030024, Shanxi, China.
| | - Chen Li
- Shanxi Province Science and Technology Achievement Transfer and Transformation Promotion and Data Monitoring Center, Taiyuan, 030024, Shanxi, China.
| | - Qiang Zhu
- Australia Institute for Innovative Materials, University of Wollongong, Wollongong, NSW, 2500, Australia
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3
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Seifikar F, Habibi-Yangjeh A. Floating photocatalysts as promising materials for environmental detoxification and energy production: A review. CHEMOSPHERE 2024; 355:141686. [PMID: 38513952 DOI: 10.1016/j.chemosphere.2024.141686] [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: 01/07/2024] [Revised: 03/08/2024] [Accepted: 03/10/2024] [Indexed: 03/23/2024]
Abstract
The oxygenation process of the catalyst surface, the incident-light harvesting capability, and facile recycling of utilized photocatalysts play key role in the outstanding photocatalytic performances. The typical existing photocatalysts in powder form have many drawbacks, such as difficult separation from the treated water, insufficient surface oxygenation, poor active surface area, low incident-light harvesting ability, and secondary pollution of the environment. A great number of scientific works introduced novel and fresh ideas related to designing floating photocatalytic systems by immobilizing highly active photocatalysts onto a floatable substrate. Thanks to direct contact with the illuminated light and oxygen molecules in the interface of water/air, the photocatalytic performance is maximized through production of more reactive species, employed in the photocatalytic reactions. Furthermore, facile recovering of the utilized photocatalysts for next processes avoids secondary pollution as well as diminishes the process's price. This review highlights the performance of developed floating photocatalysts for diverse applications. Furthermore, different floating substrates and possible mechanisms in floating photocatalysts are briefly mentioned. In addition, several emerging self-floating photocatalytic systems are taken attention and discussed. Specially, coupling photo-thermal and photocatalytic effects seems to be a good strategy for introducing a new class of floating photocatalyst to utilize the free, abundant, and green sunlight energy for the aims of water desalination and purification. Despite of a large number of attempts about the floating photocatalysts, there are still plenty of rooms for more in-depth research to be carried out for attaining the required characteristics of the large scale utilizations of these materials.
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Affiliation(s)
- Fatemeh Seifikar
- Department of Chemistry, Faculty of Science, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Aziz Habibi-Yangjeh
- Department of Chemistry, Faculty of Science, University of Mohaghegh Ardabili, Ardabil, Iran.
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4
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Satheeshkumar A, Duraimurugan R, Parthipan P, Sathishkumar K, AlSalhi MS, Devanesan S, Rajamohan R, Rajasekar A, Malik T. Integrated Electrochemical Oxidation and Biodegradation for Remediation of a Neonicotinoid Insecticide Pollutant. ACS OMEGA 2024; 9:15239-15250. [PMID: 38585078 PMCID: PMC10993376 DOI: 10.1021/acsomega.3c09749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/28/2024] [Accepted: 03/13/2024] [Indexed: 04/09/2024]
Abstract
A novel integrated electrochemical oxidation (EO) and bacterial degradation (BD) technique was employed for the remediation of the chloropyridinyl and chlorothiazolyl classes of neonicotinoid (NEO) insecticides in the environment. Imidacloprid (IM), clothianidin (CL), acetamiprid (AC), and thiamethoxam (TH) were chosen as the target NEOs. Pseudomonas oleovorans SA2, identified through 16S rRNA gene analysis, exhibited the potential for BD. In EO, for the selected NEOs, the total percentage of chemical oxygen demand (COD) was noted in a range of 58-69%, respectively. Subsequently, in the biodegradation of EO-treated NEOs (BEO) phase, a higher percentage (80%) of total organic carbon removal was achieved. The optimum concentration of NEOs was found to be 200 ppm (62%) for EO, while for BEO, the COD efficiency was increased up to 79%. Fourier-transform infrared spectroscopy confirms that the heterocyclic group and aromatic ring were degraded in the EO and further utilized by SA2. Gas chromatography-mass spectroscopy indicated up to 96% degradation of IM and other NEOs in BD (BEO) compared to that of EO (73%). New intermediate molecules such as silanediamine, 1,1-dimethyl-n,n'-diphenyl produced during the EO process served as carbon sources for bacterial growth and further mineralized. As a result, BEO enhanced the removal of NEOs with a higher efficiency of COD and a lower consumption of energy. The removal efficiency of the NEOs by the integrated approach was achieved in the order of AC > CL > IM > TH. This synergistic EO and BD approach holds promise for the efficient detoxification of NEOs from polluted environments.
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Affiliation(s)
- Azhagarsamy Satheeshkumar
- Environmental
Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Serkkadu, Vellore 632115, Tamil Nadu, India
| | - Ramanathan Duraimurugan
- Environmental
Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Serkkadu, Vellore 632115, Tamil Nadu, India
| | - Punniyakotti Parthipan
- Department
of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu, Kattankulathur 603 203, Tamil Nadu, India
| | - Kuppusamy Sathishkumar
- Center
for Global Health Research, Saveetha Medical College and Hospitals,
Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University Chennai, 602105, India
| | - Mohamad S. AlSalhi
- Department
of Physics and Astronomy, College of Science, King Saud University, P.O. Box- 2455, Riyadh 11451, Saudi Arabia
| | - Sandhanasamy Devanesan
- Department
of Physics and Astronomy, College of Science, King Saud University, P.O. Box- 2455, Riyadh 11451, Saudi Arabia
| | - Rajaram Rajamohan
- Organic Materials
Synthesis Lab, School of Chemical Engineering, Yeungnam University, Gyeongsan-si 38541, Republic
of Korea
| | - Aruliah Rajasekar
- Environmental
Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Serkkadu, Vellore 632115, Tamil Nadu, India
| | - Tabarak Malik
- Adjunct
Faculty, Division of Research & Development, Lovely Professional University, Jalandhar-Delhi, Phagwara, Punjab 144411, India
- Department
of Biomedical Sciences, Institute of Health, Jimma University, Jimma 378, Ethiopia
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5
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Li X, Yu Y, Zhang R, Guo W. Cobalt etched graphite felt electrode for enhanced removal of organic pollutant in aqueous solution with a solid polymer electrolyte. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:18614-18624. [PMID: 38349493 DOI: 10.1007/s11356-024-32440-9] [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: 09/05/2023] [Accepted: 02/07/2024] [Indexed: 03/09/2024]
Abstract
In this study, cobalt etched graphite felt electrodes were produced using a simple etching technique. It was used in combination with a solid polymer electrolyte (SPE) for the degradation of the target contaminant Orange II by Electro-Fenton (EF) technique in low conductivity water. In this method, 94% of Orange II in low conductivity water was removed in 90 min. The characterization analysis substantiates the hypothesis that the electrodes produced exhibit a three-dimensional porous structure, augmented defect concentration, and enhanced electron transfer capability. In addition, the potential reaction mechanism was inferred from the radical quenching experiments, and hydroxyl radicals (·OH) were deemed the main reactive substances. The combination of cobalt etched graphite felt electrodes with SPE demonstrates remarkable efficacy in the treatment of organic wastewater characterized by low electrical conductivity.
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Affiliation(s)
- Xinyu Li
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Yanjun Yu
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Ruijuan Zhang
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Weilin Guo
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China.
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6
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Rabbani D, Dehghani R, Akbari H, Rahmani H, Ahmadi E, Bagheri A, Allahi S. Study on diazinon toxicity reduction by electro-Fenton process: A bioassay using daphnia magna. Heliyon 2024; 10:e25928. [PMID: 38380001 PMCID: PMC10877300 DOI: 10.1016/j.heliyon.2024.e25928] [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: 08/05/2023] [Revised: 01/26/2024] [Accepted: 02/05/2024] [Indexed: 02/22/2024] Open
Abstract
The realm of diazinon reduction from polluted water has witnessed a surge in the significance of advanced oxidation processes (AOPs) in recent times. However, there is a dearth of research focusing on the mitigation of its toxicity through AOPs. Thus, the primary objective of this study was to evaluate the effectiveness of the Electro-Fenton process (EFP) in the eradication and detoxification of diazinon in aqueous solutions. Synthetic wastewater samples with concentrations of 2, 2.5 and 3 mg/L were prepared. A total of 27 samples were determined using Box Behnken Design. Reaction time, pH and iron to hydrogen peroxide ratio (Fe2+/H2O2) were examined as operational parameters under a constant current of 5.4 amps. The quantification of diazinon concentration was performed using High-Performance Liquid Chromatography (HPLC). To evaluate the detoxification of diazinon, the Daphnia magna bioassay was employed as a methodology in this study. According to the results, the EFP could reduce the diazinon to zero and the LC50 values are increased by applying the process. The LC50 values for diazinon were determined using the Daphnia magna bioassay, considering initial concentrations of 2, 2.5, and 3 mg/L at a pH of 5, a reaction time of 15 min, and an iron to hydrogen peroxide molar ratio of 2. The recorded LC50 values were 3.039, 3.076, and 3.106, respectively, indicating the lowest frequency of cumulative death in Daphnia magna. In this case, after 96 h, only 3 cases (30%) of Daphnia magna death were observed. However, for all the mentioned concentrations of diazinon, after 96 h of exposure to samples without applying the Daphnia Magna death process, it was observed between 60 and 100%. Reducing the diazinon concentration and increasing the 96-h LC50 showed that the EFP can reduce the toxicity of diazinon on Daphnia Magna at the same time. Therefore, EFP can be considered a superior method with low ecotoxicity.
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Affiliation(s)
- Davarkhah Rabbani
- Department of Environmental Health Engineering, Faculty of Health, Kashan University of Medical Sciences, Kashan, Iran
- Social Determinants of Health (SDH) Research Center, Kashan University of Medical Sciences, Kashan, Iran
| | - Rouhullah Dehghani
- Department of Environmental Health Engineering, Faculty of Health, Kashan University of Medical Sciences, Kashan, Iran
- Social Determinants of Health (SDH) Research Center, Kashan University of Medical Sciences, Kashan, Iran
| | - Hossein Akbari
- Social Determinants of Health (SDH) Research Center, Kashan University of Medical Sciences, Kashan, Iran
- Department of Public Health and Biostatics, Kashan University of Medical Sciences, Kashan, Iran
| | - Hasan Rahmani
- Department of Environmental Health Engineering, Faculty of Health, Kashan University of Medical Sciences, Kashan, Iran
| | - Ehsan Ahmadi
- Department of Environmental Health Engineering, Faculty of Health, Kashan University of Medical Sciences, Kashan, Iran
| | - Amin Bagheri
- Department of Health, Safety and Environmental Management, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Saeid Allahi
- Department of Environmental Health Engineering, Faculty of Health, Kashan University of Medical Sciences, Kashan, Iran
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7
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Clemente E, Domingues E, Quinta-Ferreira RM, Leitão A, Martins RC. Solar photo-Fenton and persulphate-based processes for landfill leachate treatment: A critical review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169471. [PMID: 38145668 DOI: 10.1016/j.scitotenv.2023.169471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/15/2023] [Accepted: 12/16/2023] [Indexed: 12/27/2023]
Abstract
Landfilling is the most usual solid waste management strategy for solid residues disposal. However, it entails several drawbacks such as the generation of landfill leachate that seriously threaten human life and the environment due to their toxicity and carcinogenic character. Among various technologies, solar photo-Fenton and sulphate-based processes have proven to be suitable for the treatment of these polluted streams. This review critically summarises the last three decades of studies in this field. It is found that the solar homogeneous photo-Fenton process should be preferably used as a pre- and post-treatment of biological technologies and as a standalone treatment for young, medium, and mature leachates, respectively. Studies on heterogeneous solar photo-Fenton process are lacking so that this technology may be scaled-up for industrial applications. Sulphate radicals are attractive for removing both COD and ammonia. However, no study has been reported on solar sulphate activation for landfill leachate treatment. This review discusses the main advances and challenges on treating landfill leachate through solar AOPs, it compares solar photo-Fenton and solar persulphate-based treatments, indicates the future research directions and contributes for a better understanding of these technologies towards sustainable treatment of landfill leachate in sunny and not-so-sunny regions.
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Affiliation(s)
- E Clemente
- University of Coimbra, CIEPQPF - Chemical Engineering Processes and Forest Products Research Center, Department of Chemical Engineering, Faculty of Sciences and Technology, Rua Sílvio Lima, Polo II, 3030-790 Coimbra, Portugal; LESRA - Laboratory of Separation, Reaction and Environmental Engineering, Faculty of Engineering, Agostinho Neto University, Av. Ho Chi Min no 201, Luanda, Angola
| | - E Domingues
- University of Coimbra, CIEPQPF - Chemical Engineering Processes and Forest Products Research Center, Department of Chemical Engineering, Faculty of Sciences and Technology, Rua Sílvio Lima, Polo II, 3030-790 Coimbra, Portugal
| | - R M Quinta-Ferreira
- University of Coimbra, CIEPQPF - Chemical Engineering Processes and Forest Products Research Center, Department of Chemical Engineering, Faculty of Sciences and Technology, Rua Sílvio Lima, Polo II, 3030-790 Coimbra, Portugal
| | - A Leitão
- LESRA - Laboratory of Separation, Reaction and Environmental Engineering, Faculty of Engineering, Agostinho Neto University, Av. Ho Chi Min no 201, Luanda, Angola
| | - R C Martins
- University of Coimbra, CIEPQPF - Chemical Engineering Processes and Forest Products Research Center, Department of Chemical Engineering, Faculty of Sciences and Technology, Rua Sílvio Lima, Polo II, 3030-790 Coimbra, Portugal.
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8
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Ma B, Li J, Yang C, Wang D. Comparative study of electro-Fenton and photoelectro-Fenton processes using a novel photocatalytic fuel cell electro-Fenton system with g-C 3 N 4 @N-TiO 2 and Ag/CNT@CF as electrodes. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2024; 96:e10946. [PMID: 38238981 DOI: 10.1002/wer.10946] [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: 07/19/2023] [Revised: 09/18/2023] [Accepted: 10/27/2023] [Indexed: 01/23/2024]
Abstract
In this study, a novel photocatalytic fuel cell electro-Fenton (PFC-EF) system was constructed using g-C3 N4 @N-TNA and Ag/CNT@CF as electrodes. The composition, structure, and morphology of the electrodes were obtained. The g-C3 N4 @N-TNA, with its 2.37 eV band gap and 100 mV photovoltage, has excellent excitation properties for sunlight. Ag/CNT@CF with abundant pores, CNT 3D nanostructures, and Ag crystals on the surface can improve the electro-Fenton efficiency. A comparative study of rhodamine B (RhB) degradation was performed in this system. It has been shown that electric fields can greatly enhance the oxidation efficiency of both anode photocatalysis and the cathode electro-Fenton process. Under optimal conditions, RhB can be completely removed by the photoelectro-Fenton (PEF) process. The energy consumption of the PEF system was obtained. The electrical energy per order (EE/O) is only 9.2 kWh/m3 ·order, which is only 16.5% of EF and 2.2% of PFC-EF system. The mineralization current efficiency (MCE) of the PEF system reached 93.3% for a 2-h reaction. Therefore, the PEF system has the advantage of saving energy. The kinetic analysis shows that the RhB removal follows a first-order kinetic law, and the reaction rate constant reaches 0.1304 min-1 , which is approximately 5.2 times larger and 4.0 times larger than the electro-Fenton and PFC-EF processes, respectively. RhB removal is a coupling multimechanism in which an electric field enhances photoelectron migration, Ag loading improves H2 O2 generation, UV light coupled with H2 O2 promotes hydroxyl radical (٠OH) generation, and the nanoconfinement effect of CNTs promotes ٠OH accumulation in favor of RhB degradation. PRACTITIONER POINTS: Novel efficiency photocatalytic fuel cell electro-Fenton system was constructed. The electric field greatly enhances the photocatalytic fuel cell electro-Fenton system. Multiple coupling mechanisms of UV/H2O2, UV/Fenton and photo-electro-Fenton have been revealed.
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Affiliation(s)
- Boya Ma
- Key Laboratory of Environmental Materials and Pollution Control, the Education Department of Jilin Province, College of Engineering, Jilin Normal University, Siping, China
| | - Jinying Li
- Key Laboratory of Environmental Materials and Pollution Control, the Education Department of Jilin Province, College of Engineering, Jilin Normal University, Siping, China
- Ministry of Education, Key Laboratory of Preparation and Applications of Environmentally Friendly Materials (Jilin Normal University), Changchun, China
| | - Chunwei Yang
- Key Laboratory of Environmental Materials and Pollution Control, the Education Department of Jilin Province, College of Engineering, Jilin Normal University, Siping, China
- Ministry of Education, Key Laboratory of Preparation and Applications of Environmentally Friendly Materials (Jilin Normal University), Changchun, China
| | - Dong Wang
- School of Environmental Science and Technology, Dalian University of Technology, Dalian, China
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9
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Xue C, Ma J, Chen X, Liu D, Huang W. Efficient degradation of 2,4-dichlorophenol by heterogeneous electro-Fenton using bulk carbon aerogels modified in situ with FeCo-LDH as cathodes: Operational parameters and mechanism exploration. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 347:119114. [PMID: 37783084 DOI: 10.1016/j.jenvman.2023.119114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 09/03/2023] [Accepted: 09/10/2023] [Indexed: 10/04/2023]
Abstract
In this study, an in situ grown FeCo-Layered double hydroxide anchored to the surface of a bulk carbon aerogel (FeCo-LDH/CA) for contaminant degradation during the heterogeneous electro-Fenton (EF) process. The results exhibited that the FeCo-LDH/CA cathode achieved 100% of 2,4-dichlorophenol (2,4-DCP = 20 mg/L) degradation within 120 min at pH = 3, application current 20 mA, and Na2SO4 concentration 0.05 M. Moreover, the degradation efficiency was impressive in the range of pH = 2-9. The coexistence of the Fe (III)/Fe (II) and Co (III)/Co (II) as active sites on the cathode surface promoted the in-situ decomposition of H2O2 to form reactive oxygen species (ROS). •OH and O2- were confirmed to be the major degradation pollutants of ROS. Furthermore, density functional theory (DFT) was used to predict the reaction sites of 2,4-DCP, and its possible degradation pathways were proposed. The toxicity of intermediate products was evaluated and decreased after degradation. In addition, the eight cycle experiments and the degradation of other typical contaminants demonstrated the satisfactory stability and applicability of the synthetic cathode. This study presents the preparation of an efficient and stable EF cathode, further promoting the application of iron-based composites in wastewater treatment.
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Affiliation(s)
- Cheng Xue
- College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China
| | - Jianrui Ma
- China Academy of Information and Communications Technology, Beijing, 100191, China
| | - Xi Chen
- College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China
| | - Dongfang Liu
- College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China.
| | - Wenli Huang
- College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China.
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10
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Takahashi S, Hori K. Long-term continuous degradation of carbon nanotubes by a bacteria-driven Fenton reaction. Front Microbiol 2023; 14:1298323. [PMID: 38098651 PMCID: PMC10720723 DOI: 10.3389/fmicb.2023.1298323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 11/08/2023] [Indexed: 12/17/2023] Open
Abstract
Very few bacteria are known that can degrade carbon nanotubes (CNTs), and the only known degradation mechanism is a Fenton reaction driven by Labrys sp. WJW with siderophores, which only occurs under iron-deficient conditions. No useful information is available on the degradation rates or long-term stability and continuity of the degradation reaction although several months or more are needed for CNT degradation. In this study, we investigated long-term continuous degradation of oxidized (carboxylated) single-walled CNTs (O-SWCNTs) using bacteria of the genus Shewanella. These bacteria are widely present in the environment and can drive the Fenton reaction by alternating anaerobic-aerobic growth conditions under more general environmental conditions. We first examined the effect of O-SWCNTs on the growth of S. oneidensis MR-1, and it was revealed that O-SWCNTs promote growth up to 30 μg/mL but inhibit growth at 40 μg/mL and above. Then, S. oneidensis MR-1 was subjected to incubation cycles consisting of 21-h anaerobic and 3-h aerobic periods in the presence of 30 μg/mL O-SWCNTs and 10 mM Fe(III) citrate. We determined key factors that help prolong the bacteria-driven Fenton reaction and finally achieved long-term continuous degradation of O-SWCNTs over 90 d. By maintaining a near neutral pH and replenishing Fe(III) citrate at 60 d, a degraded fraction of 56.3% was reached. S. oneidensis MR-1 produces Fe(II) from Fe(III) citrate, a final electron acceptor for anaerobic respiration during the anaerobic period. Then, ·OH is generated through the Fenton reaction by Fe(II) and H2O2 produced by MR-1 during the aerobic period. ·OH was responsible for O-SWCNT degradation, which was inhibited by scavengers of H2O2 and ·OH. Raman spectroscopy and X-ray photoelectron spectroscopy showed that the graphitic structure in O-SWCNTs was oxidized, and electron microscopy showed that long CNT fibers initially aggregated and became short and isolated during degradation. Since Shewanella spp. and iron are ubiquitous in the environment, this study suggests that a Fenton reaction driven by this genus is applicable to the degradation of CNTs under a wide range of conditions and will help researchers develop novel methods for waste treatment and environmental bioremediation against CNTs.
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Affiliation(s)
| | - Katsutoshi Hori
- Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Nagoya, Aichi, Japan
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11
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García-Espinoza JD, Treviño-Reséndez J, Robles I, Acosta-Santoyo G, Godínez LA. A review of electro-Fenton and ultrasound processes: towards a novel integrated technology for wastewater treatment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-29877-9. [PMID: 37737947 DOI: 10.1007/s11356-023-29877-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 09/10/2023] [Indexed: 09/23/2023]
Abstract
Nowadays, the presence of persistent dissolved pollutants in water has received increasing attention due to their toxic effects on living organisms. Considering the limitations of conventional wastewater treatment processes for the degradation of these compounds, advanced oxidation processes such as electro-Fenton and sono-chemical process, as well as their combination, appear as potentially effective options for the treatment of wastewater contaminated with bio-recalcitrant pollutants. In view of the importance of the development of processes using real effluents, this review aims to provide a comprehensive perspective of sono-electro-Fenton-related processes applied for real wastewater treatment. In the first section, the fundamentals and effectiveness of both homogeneous and heterogeneous electro-Fenton approaches for the treatment of real wastewater are presented. While the second part of this work describes the fundamentals of ultrasound-based processes, the last section focuses on the coupling of the two methods for real wastewater treatment and on the effect of the main operational parameters of the process. On the basis of the information presented, it is suggested that sono-electro-Fenton processes substantially increase the efficiency of the treatment as well as the biodegradability of the treated wastewater. The combined effect results from mass transfer improvement, electrode cleaning and activation, water electrolysis, and the electro-Fenton-induced production of hydroxyl radicals. The information presented in this work is expected to be useful for closing the gap between laboratory-scale assays and the development of novel wastewater technologies.
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Affiliation(s)
- Josué D García-Espinoza
- Centro de Investigación en Química para la Economía Circular, CIQEC, Facultad de Química, Universidad Autónoma de Querétaro, Centro Universitario, 76010, Querétaro, Querétaro, Mexico
| | - José Treviño-Reséndez
- Centro de Investigación en Química para la Economía Circular, CIQEC, Facultad de Química, Universidad Autónoma de Querétaro, Centro Universitario, 76010, Querétaro, Querétaro, Mexico
| | - Irma Robles
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica S.C. Parque Tecnológico Querétaro Sanfandila SN, Pedro Escobedo, 76703, Querétaro, Mexico
| | - Gustavo Acosta-Santoyo
- Centro de Investigación en Química para la Economía Circular, CIQEC, Facultad de Química, Universidad Autónoma de Querétaro, Centro Universitario, 76010, Querétaro, Querétaro, Mexico
| | - Luis A Godínez
- Centro de Investigación en Química para la Economía Circular, CIQEC, Facultad de Química, Universidad Autónoma de Querétaro, Centro Universitario, 76010, Querétaro, Querétaro, Mexico.
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12
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Yang Y, Wang N, Gu H. Synthesis of submicron ferrous oxalate from red mud with high Fenton catalytic performance on degradation of methylene blue. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:85210-85222. [PMID: 37386219 DOI: 10.1007/s11356-023-28308-z] [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: 02/04/2023] [Accepted: 06/13/2023] [Indexed: 07/01/2023]
Abstract
Ferrous oxalate dihydrate (FOD) can be used as a photo-Fenton catalyst with remarkable photo-Fenton catalytic and photocatalytic performances on organic pollutant degradation. Various reduction processes were compared in the current study to synthesize FODs from ferric oxalate solution utilizing the iron source in alumina waste red mud (RM), including natural light exposure (NL-FOD), UV light irradiation (UV-FOD), and hydroxylamine hydrochloride hydrothermal method (HA-FOD). The FODs were characterized and employed as photo-Fenton catalysts for methylene blue (MB) degradation, and the effects of HA-FOD dosage, H2O2 dosage, MB concentration, and the initial pH were investigated. The results show that HA-FOD has submicron sizes and lower impurity contents with more rapid degradation rates and higher degradation efficiencies compared with the other two FOD products. When using 0.1 g/L of each obtained FOD, 50 mg/L of MB can be rapidly degraded by HA-FOD by 97.64% within 10 min with 20 mg/L of H2O2 at pH of 5.0, while NL-FOD and UV-FOD achieve 95.52% in 30 min and 96.72% in 15 min at the same conditions, respectively. Meanwhile, HA-FOD exhibits strong cyclic stability after two recycling experiments. Scavenger experiments reveal that the predominant reactive oxygen species responsible for MB degradation are hydroxyl radicals. These findings demonstrate that submicron FOD catalyst can be synthesized using hydroxylamine hydrochloride hydrothermal process from ferric oxalate solution with high photo-Fenton degradation efficiency and reduced reaction time for wastewater treatment. The study also provides a new pathway of efficient utilization for RM.
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Affiliation(s)
- Yuxin Yang
- Key Laboratory of High-Temperature and High-Pressure Study of the Earth's Interior, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ning Wang
- Key Laboratory of High-Temperature and High-Pressure Study of the Earth's Interior, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China
| | - Hannian Gu
- Key Laboratory of High-Temperature and High-Pressure Study of the Earth's Interior, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
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13
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Wang A, Jiang Y, Yan Y, Bu L, Wei Z, Spinney R, Dionysiou DD, Xiao R. Mechanistic and quantitative profiling of electro-Fenton process for wastewater treatment. WATER RESEARCH 2023; 235:119838. [PMID: 36921358 DOI: 10.1016/j.watres.2023.119838] [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: 11/23/2022] [Revised: 02/28/2023] [Accepted: 03/04/2023] [Indexed: 06/18/2023]
Abstract
Electro-Fenton (EF) process represents an energy-efficient and scalable advanced oxidation technology (AOT) for micropollutants removal in wastewaters. However, mechanistic profiling and quantitation of contribution of each subprocess (i.e., adsorption at electrode, coagulation, radical oxidation, electrode oxidation/reduction, and H2O2 oxidation) to the overall degradation are substantially unclear, resulting in difficulty in tunability and optimization for different treatment scenarios. In this study, we investigated degradation kinetics of a target micropollutant in an EF system. The contribution of all possible subprocesses was elucidated by comparing the observed degradation rate in the EF system with the sum of the kinetics in each subprocess. The results indicated that the overall degradation can be attributed to the synergistic action of the above-mentioned subprocesses. The radical oxidation accounts for 87% elimination, followed by electrode reoxidation/reduction of 7.7%. These results not only advance the fundamental understanding of synergistic effect in EF system, but also open new possibilities to optimize these techniques for better scalability. In addition, the methodology in this study could potentially boost the in-depth exploration of subprocess contribution in other Fenton-like systems.
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Affiliation(s)
- Anliu Wang
- Institute of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha, 410083, China; Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, Changsha, 410083, China
| | - Ying Jiang
- Institute of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha, 410083, China; Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, Changsha, 410083, China
| | - Yiqi Yan
- Institute of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha, 410083, China; Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, Changsha, 410083, China
| | - Lingjun Bu
- Hunan Engineering Research Center of Water Security Technology and Application, College of Civil Engineering, Hunan University, Changsha 410082, China
| | - Zongsu Wei
- Centre for Water Technology (WATEC) & Department of Biological and Chemical Engineering, Aarhus University, Nørrebrogade 44, 8000 Aarhus C, Denmark
| | - Richard Spinney
- Department of Chemistry and Biochemistry, the Ohio State University, Columbus, Ohio, 43210, U.S.A
| | - Dionysios D Dionysiou
- Environmental Engineering and Science Program, University of Cincinnati, Cincinnati, Ohio, 45221, U.S.A
| | - Ruiyang Xiao
- Institute of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha, 410083, China; Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, Changsha, 410083, China.
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14
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Maddineni V, Jelle A, Ibrahim H. Efficient photocatalytic removal of
N‐nitrosamines
from amine washing wastewater using bismuth tungstate. CAN J CHEM ENG 2023. [DOI: 10.1002/cjce.24900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/01/2023]
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15
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Eslami A, Mehdipour F, Feizi R, Ghanbari F, Lin KYA, Bagheri A, Madihi-Bidgoli S. Periodate activation by concurrent utilization of UV and US for the degradation of para-nitrophenol in water: A synergistic approach. KOREAN J CHEM ENG 2023. [DOI: 10.1007/s11814-022-1247-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
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16
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Jiang Y, Cui T, Cao L, Huang J, Tu Y, Chen Y, Zhang Y, Xu A, Zhou J, Ni M, Wei K. REDOX physical-chemical method boosted phospholytic bacteria technology for enhanced phosphorus solubilization. Front Bioeng Biotechnol 2023; 10:1124832. [PMID: 36686248 PMCID: PMC9846245 DOI: 10.3389/fbioe.2022.1124832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 12/20/2022] [Indexed: 01/05/2023] Open
Affiliation(s)
- Yongwei Jiang
- Jiangsu Provincial Environmental Engineering Technology Co, Ltd., Nanjing, Jiangsu, China,Jiangsu Province Engineering Research Center of Synergistic Control of Pollution and Carbon Emissions in Key Industries, Nanjing, China,Jiangsu Province Engineering Research Center of Standardized Construction and Intelligent Management of Industrial Parks, Nanjing, China
| | - Tao Cui
- Jiangsu Provincial Environmental Engineering Technology Co, Ltd., Nanjing, Jiangsu, China,Jiangsu Province Engineering Research Center of Synergistic Control of Pollution and Carbon Emissions in Key Industries, Nanjing, China,Jiangsu Province Engineering Research Center of Standardized Construction and Intelligent Management of Industrial Parks, Nanjing, China
| | - Lei Cao
- Jiangsu Provincial Environmental Engineering Technology Co, Ltd., Nanjing, Jiangsu, China,Jiangsu Province Engineering Research Center of Synergistic Control of Pollution and Carbon Emissions in Key Industries, Nanjing, China,Jiangsu Province Engineering Research Center of Standardized Construction and Intelligent Management of Industrial Parks, Nanjing, China
| | - Jian Huang
- Jiangsu Provincial Environmental Engineering Technology Co, Ltd., Nanjing, Jiangsu, China,Jiangsu Province Engineering Research Center of Synergistic Control of Pollution and Carbon Emissions in Key Industries, Nanjing, China,Jiangsu Province Engineering Research Center of Standardized Construction and Intelligent Management of Industrial Parks, Nanjing, China
| | - Yong Tu
- Jiangsu Provincial Environmental Engineering Technology Co, Ltd., Nanjing, Jiangsu, China,Jiangsu Province Engineering Research Center of Synergistic Control of Pollution and Carbon Emissions in Key Industries, Nanjing, China,Jiangsu Province Engineering Research Center of Standardized Construction and Intelligent Management of Industrial Parks, Nanjing, China
| | - Yong Chen
- Jiangsu Provincial Environmental Engineering Technology Co, Ltd., Nanjing, Jiangsu, China,Jiangsu Province Engineering Research Center of Synergistic Control of Pollution and Carbon Emissions in Key Industries, Nanjing, China,Jiangsu Province Engineering Research Center of Standardized Construction and Intelligent Management of Industrial Parks, Nanjing, China
| | - Yonghao Zhang
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, China,School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng, China,*Correspondence: Yonghao Zhang, ; Kajia Wei,
| | - Anlin Xu
- School of Environmental Science and Engineering, Nanjing Tech University, Nanjing, China
| | - Junwei Zhou
- Jiangsu Provincial Environmental Engineering Technology Co, Ltd., Nanjing, Jiangsu, China,Jiangsu Province Engineering Research Center of Synergistic Control of Pollution and Carbon Emissions in Key Industries, Nanjing, China,Jiangsu Province Engineering Research Center of Standardized Construction and Intelligent Management of Industrial Parks, Nanjing, China
| | - Ming Ni
- Jiangsu Provincial Environmental Engineering Technology Co, Ltd., Nanjing, Jiangsu, China,Jiangsu Province Engineering Research Center of Synergistic Control of Pollution and Carbon Emissions in Key Industries, Nanjing, China,Jiangsu Province Engineering Research Center of Standardized Construction and Intelligent Management of Industrial Parks, Nanjing, China
| | - Kajia Wei
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, China,*Correspondence: Yonghao Zhang, ; Kajia Wei,
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17
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Brillas E, Manuel Peralta-Hernández J. Removal of paracetamol (acetaminophen) by photocatalysis and photoelectrocatalysis. A critical review. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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18
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A novel 3D Co/Mo co-catalyzed graphene sponge-mediated peroxymonosulfate activation for the highly efficient pollutants degradation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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19
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Wang H, Yu S, Meng X, Wang Z, Gao T, Xiao S. Facile synthesis of fumarate-type iron-cobalt bimetallic MOFs and its application in photo-Fenton degradation of organic dyes. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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20
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Accelerated Fe(III)/Fe(II) cycle couples with in-situ generated H2O2 boosting visible light-induced Fenton-like oxidation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121688] [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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21
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Wang S, Ye D, Liu H, Zhu X, Lan Q, Yang Y, Chen R, Liao Q. Engineering a concordant microenvironment with air-liquid-solid interface to promote electrochemical H2O2 generation and wastewater purification. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121527] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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22
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Pacheco-Álvarez M, Picos Benítez R, Rodríguez-Narváez OM, Brillas E, Peralta-Hernández JM. A critical review on paracetamol removal from different aqueous matrices by Fenton and Fenton-based processes, and their combined methods. CHEMOSPHERE 2022; 303:134883. [PMID: 35577132 DOI: 10.1016/j.chemosphere.2022.134883] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 05/04/2022] [Accepted: 05/05/2022] [Indexed: 06/15/2023]
Abstract
Paracetamol (PCT), also known as acetaminophen, is a drug used to treat fever and mild to moderate pain. After consumption by animals and humans, it is excreted through the urine to the sewer systems, wastewater treatment plants, and other aquatic/natural environments. It has been detected in trace amounts in effluents of wastewater plant treatments, sewage sludge, hospital wastewaters, surface waters, and drinking water. PCT can cause genetic code damage, oxidative degradation of lipids, and denaturation of protein in cells, and its toxicity has been well-proven in bacteria, algae, macrophytes, protozoan, and fishes. To avoid its harmful health problems over living beings, powerful Fenton and Fenton-based treatments as pre-eminent advanced oxidation processes (AOPs) have been developed because of the inefficient treatment by conventional treatments. This paper presents a comprehensive and critical review over the application of such Fenton technologies to remove PCT from natural waters, synthetic wastewaters, and real wastewaters. The characteristics and main results obtained using Fenton, photo-Fenton, electro-Fenton, and photoelectro-Fenton are described, making special emphasis in the oxidative action of the generated reactive oxygen species. Hybrid processes based on the coupling with ultrasounds, gamma radiation, photocatalysis, photoelectrocatalysis, zero-valent iron-activated persulfate, adsorption, and microbial fuel cells, are analyzed. Sequential treatments involving the initiation with plasma gliding arc discharge and post-biological process are detailed. Comparative results with other available AOPs are also described and discussed. Finally, 13 aromatic by-products and 9 short-linear aliphatic carboxylic acid detected during the PCT removal by Fenton and Fenton-based processes are reported, with the proposal of three parallel pathways for its initial degradation.
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Affiliation(s)
- Martin Pacheco-Álvarez
- Departamento de Química, DCNE, Universidad de Guanajuato, Cerro de la Venada s/n, Pueblito de Rocha, Guanajuato, C.P. 36040, Mexico
| | - Ricardo Picos Benítez
- Centro de Estudios Científicos y Tecnológicos No. 18, Instituto Politécnico Nacional, 98160, Zacatecas, Zac., Mexico
| | - Oscar M Rodríguez-Narváez
- Dirección de Investigación y Soluciones Tecnológicas, Centro de Innovación Aplicado en Tecnologías Competitivas, Omega 201, Leon, Guanajuato, 37545, Mexico
| | - Enric Brillas
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Secció de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028, Barcelona, Spain.
| | - Juan M Peralta-Hernández
- Departamento de Química, DCNE, Universidad de Guanajuato, Cerro de la Venada s/n, Pueblito de Rocha, Guanajuato, C.P. 36040, Mexico.
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23
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Compton P, Dehkordi NR, Knapp M, Fernandez LA, Alshawabkeh AN, Larese-Casanova P. Heterogeneous Fenton-Like Catalysis of Electrogenerated H2O2 for Dissolved RDX Removal. FRONTIERS IN CHEMICAL ENGINEERING 2022; 4. [DOI: 10.3389/fceng.2022.864816] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
New insensitive high explosives pose great challenges to conventional explosives manufacturing wastewater treatment processes and require advanced methods to effectively and efficiently mineralize these recalcitrant pollutants. Oxidation processes that utilize the fundamental techniques of Fenton chemistry optimized to overcome conventional limitations are vital to provide efficient degradation of these pollutants while maintaining cost-effectiveness and scalability. In this manner, utilizing heterogeneous catalysts and in-situ generated H2O2 to degrade IHEs is proposed. For heterogeneous catalyst optimization, varying the surface chemistry of activated carbon for use as a catalyst removes precipitation complications associated with iron species in Fenton chemistry while including removal by adsorption. Activated carbon impregnated with 5% MnO2 in the presence of H2O2 realized a high concentration of hydroxyl radical formation - 140 μM with 10 mM H2O2 - while maintaining low cost and relative ease of synthesis. This AC-Mn5 catalyst performed effectively over a wide pH range and in the presence of varying H2O2 concentrations with a sufficient effective lifetime. In-situ generation of H2O2 removes the logistical and economic constraints associated with external H2O2, with hydrophobic carbon electrodes utilizing generated gaseous O2 for 2-electron oxygen reduction reactions. In a novel flow-through reactor, gaseous O2 is generated on a titanium/mixed metal oxide anode with subsequent H2O2 electrogeneration on a hydrophobic microporous-layered carbon cloth cathode. This reactor is able to electrogenerate 2 mM H2O2 at an optimized current intensity of 150 mA and over a wide range of flow rates, influent pH values, and through multiple iterations. Coupling these two optimization methods realizes the production of highly oxidative hydroxyl radicals by Fenton-like catalysis of electrogenerated H2O2 on the surface of an MnO2-impregnated activated carbon catalyst. This method incorporates electrochemically induced oxidation of munitions in addition to removal by adsorption while maintaining cost-effectiveness and scalability. It is anticipated this platform holds great promise to eliminate analogous contaminants.
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24
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Wang S, Liu H, Ye D, Lan Q, Zhu X, Yang Y, Chen R, Liao Q. Oxygen self-doping formicary-like electrocatalyst with ultrahigh specific surface area derived from waste pitaya peels for high-yield H2O2 electrosynthesis and efficient electro-Fenton degradation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120687] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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25
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Brillas E. Progress of homogeneous and heterogeneous electro-Fenton treatments of antibiotics in synthetic and real wastewaters. A critical review on the period 2017-2021. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 819:153102. [PMID: 35041950 DOI: 10.1016/j.scitotenv.2022.153102] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/09/2022] [Accepted: 01/10/2022] [Indexed: 06/14/2023]
Abstract
Antibiotics are widely supplied over all the world to animals and humans to fight and heal bacteriological diseases. The uptake of antibiotics has largely increased the average-life expectancy of living beings. However, these recalcitrant products have been detected at low concentrations in natural waters, with potential health risks due to alterations in food chains and an increase in the resistance to bacterial infection, control of infectious diseases, and damage of the beneficial bacteria. The high stability of antibiotics at mild conditions prevents their effective removal in conventional wastewater treatment plants. A powerful advanced oxidation processes such as the electro-Fenton (EF) process is being developed as a guarantee for their destruction by •OH generated as strong oxidant. This review presents a critical, exhaustive, and detailed analysis on the application of EF to remediate synthetic and real wastewaters contaminated with common antibiotics, covering the period 2017-2021. Homogeneous EF and heterogeneous EF involving iron solid catalysts or iron functionalized cathodes, as well as their hybrid and sequential treatments, are exhaustively examined. Their fundamentals and characteristics are detailed, and the main results obtained for the removal of the most used antibiotic families are carefully described and discussed. The role of generated oxidizing agents is explained, and the by-products generated, and reaction sequences proposed are detailed.
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Affiliation(s)
- Enric Brillas
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Secció de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain.
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26
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Acosta-Angulo B, Lara-Ramos J, Diaz-Angulo J, Torres-Palma R, Martínez-Pachon D, Moncayo-Lasso A, Machuca-Martínez F. Analysis of the Applications of Particle Swarm Optimization and Genetic Algorithms on Reaction Kinetics: A Prospective Study for Advanced Oxidation Processes. ChemElectroChem 2022. [DOI: 10.1002/celc.202200229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | - Jose Lara-Ramos
- Universidad del Valle Escuela de Ingeniería Química COLOMBIA
| | | | - Ricardo Torres-Palma
- Universidad de Antioquía: Universidad de Antioquia Facultad de Ciencias Exactas y Naturales COLOMBIA
| | - Diana Martínez-Pachon
- Universidad Antonio Nariño: Universidad Antonio Narino Facultad de Ciencias COLOMBIA
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