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Cifre-Herrando M, Roselló-Márquez G, García-Antón J. Is photoelectrocatalysis an efficient process to degrade endocrine disruptors chemicals? ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 107:104420. [PMID: 38499263 DOI: 10.1016/j.etap.2024.104420] [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: 11/18/2023] [Accepted: 03/14/2024] [Indexed: 03/20/2024]
Abstract
Endocrine disruptors chemicals (EDCs) pose significant health risks, including cancer, behavioral disorders, and infertility. In this study, we employed the photoelectrocatalysis (PEC) technique with optimized tungsten oxide (WO3) nanostructures as a photoanode to degrade three diverse EDCs: methiocarb, dimethyl phthalate, and 4-tert-butylphenol. PEC degradation tests were carried out for individual contaminants and a mixture of them, assessing efficiency across different EDC families. Ultra High-Performance Liquid Chromatography and Mass Spectrometry was used to control the course of the experiments. For individual solutions, 4-tert-butylphenol and methiocarb were 100% degraded at 1 hour of PEC degradation. Among the tested EDCs, dimethyl phthalate showed the highest resistance to degradation when treated individually. However, when assessed in a mixture with the other EDCs, the degradation efficiency of dimethyl phthalate increased compared to its individual treatment. Furthermore, four degradation intermediates were identified for each contaminant. Finally, toxicity tests revealed that the initial solution was more toxic than the samples treated for all the contaminants tested, except for the phthalate.
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Affiliation(s)
- M Cifre-Herrando
- Ingeniería Electroquímica y Corrosión (IEC), Instituto Universitario de Seguridad Industrial, Radiofísica y Medioambiental (ISIRYM), Universitat Politècnica de València, C/Camino de Vera, Valencia 46022, Spain
| | - G Roselló-Márquez
- Ingeniería Electroquímica y Corrosión (IEC), Instituto Universitario de Seguridad Industrial, Radiofísica y Medioambiental (ISIRYM), Universitat Politècnica de València, C/Camino de Vera, Valencia 46022, Spain
| | - J García-Antón
- Ingeniería Electroquímica y Corrosión (IEC), Instituto Universitario de Seguridad Industrial, Radiofísica y Medioambiental (ISIRYM), Universitat Politècnica de València, C/Camino de Vera, Valencia 46022, Spain.
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Sohn S, Kim MK, Lee YM, Sohn EJ, Choi GY, Chae SH, Zoh KD. Removal characteristics of 53 micropollutants during ozonation, chlorination, and UV/H 2O 2 processes used in drinking water treatment plant. CHEMOSPHERE 2024; 352:141360. [PMID: 38325620 DOI: 10.1016/j.chemosphere.2024.141360] [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: 12/06/2023] [Revised: 01/30/2024] [Accepted: 01/31/2024] [Indexed: 02/09/2024]
Abstract
The removal of 53 emerging micropollutants (MPs), including 10 per- and polyfluorinated substances (PFASs), 25 pharmaceuticals and personal care products (PPCPs), 7 pesticides, 5 endocrine disrupters (EDCs), 3 nitrosamines, and 3 taste and odor compounds (T&Os), by chlorination, ozonation, and UV/H2O2 treatment was examined in deionized water and surface waters used as the raw waters in drinking water treatment plants (DWTPs) in South Korea. The UV/H2O2 treatment was effective in the removal of most MPs, whereas chlorination was selectively effective for 19 MPs, including EDCs (>70 %). MPs containing aromatic ring with electron-donating functional group, or primary and secondary amines were effectively removed by chlorination immediately upon reaction initiation. The removal of MPs by ozonation was generally lower than that of the other two processes at a low ozone dose (1 mg L-1), but higher than chlorination at a high ozone dose (3 mg L-1), particularly for 16 MPs, including T&Os. Compared in deionized water, the removals of MPs in the raw water samples were lower in all three processes. The regression models predicting the rate constants (kobs) of 53 MPs showed good agreement between modeled and measured value for UV/H2O2 treatment (R2 = 0.948) and chlorination (R2 = 0.973), despite using only dissolved organic carbon (DOC) and oxidant concentration as variables, whereas the ozonation model showed a variation (R2 = 0.943). Our results can provide the resources for determining which oxidative process is suitable for treating specific MPs present in the raw waters of DWTPs.
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Affiliation(s)
- Seungwoon Sohn
- Department of Environmental Health Sciences, School of Public Health, Seoul National University, Seoul, South Korea
| | - Moon-Kyung Kim
- Institute of Health & Environment, Seoul National University, Seoul, South Korea
| | - Young-Min Lee
- Institute of Health & Environment, Seoul National University, Seoul, South Korea
| | - Erica Jungmin Sohn
- Department of Environmental Health Sciences, School of Public Health, Seoul National University, Seoul, South Korea
| | - Grace Y Choi
- Department of Environmental Health Sciences, School of Public Health, Seoul National University, Seoul, South Korea
| | - Seon-Ha Chae
- Korea Water Resources Corporation, K-water Institute, Deajeon, South Korea
| | - Kyung-Duk Zoh
- Department of Environmental Health Sciences, School of Public Health, Seoul National University, Seoul, South Korea.
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Sales-Alba A, Cruz-Alcalde A, López-Vinent N, Cruz L, Sans C. Removal of neonicotinoid insecticide clothianidin from water by ozone-based oxidation: kinetics and transformation products. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
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Bertagna Silva D, Buttiglieri G, Babić S. State-of-the-art and current challenges for TiO 2/UV-LED photocatalytic degradation of emerging organic micropollutants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:103-120. [PMID: 33052564 DOI: 10.1007/s11356-020-11125-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 10/04/2020] [Indexed: 05/08/2023]
Abstract
The development of ultraviolet light-emitting diodes (UV-LED) opens new possibilities for water treatment and photoreactor design. TiO2 photocatalysis, a technology that has been continuously drawing attention, can potentially benefit from LEDs to become a sustainable alternative for the abatement of organic micropollutants (OMPs). Recently reported data on photocatalytic degradation of OMPs and their parameters of influence are here critically evaluated. The literature on OMP degradation in real water matrices, and at environmentally relevant concentrations, is largely missing, as well as the investigations of the impact of photoreactor design in pollutant degradation kinetics. The key factors for reducing UV-LED treatment technology costs are pointed out, like the increase in external quantum and wall-plug efficiencies of UV-LEDs compared to other technologies, as well as the need for an appropriate design optimizing light homogeneity in the reactor. Controlled periodic illumination, wavelength coupling and H2O2 addition are presented as efficiency enhancement options. Although electrical energy per order (EEO) values for UV-LED photocatalysis have decreased to the range of traditional mercury lamps, values are still not low enough for practical employment. Moreover, due to the adoption of high initial OMP concentration in most experiments, it is likely that most literature EEO values are overestimated. Given the process characteristics, which are favoured by translucent matrices and small diameters for more homogenous light distribution and better transportation of radicals, innovative reactor designs should explore the potential of point-of-use applications to increase photocatalysis applicability at large scale.
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Affiliation(s)
- Danilo Bertagna Silva
- Faculty of Chemical Engineering, University of Zagreb, Trg Marka Marulića 19, 10000, Zagreb, Croatia
| | - Gianluigi Buttiglieri
- Catalan Institute of Water Research (ICRA), C. Emili Grahit 101, 17003, Girona, Spain
- Universitat de Girona, Girona, Spain
| | - Sandra Babić
- Faculty of Chemical Engineering, University of Zagreb, Trg Marka Marulića 19, 10000, Zagreb, Croatia.
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Ecotoxicological Evaluation of Methiocarb Electrochemical Oxidation. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10217435] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The ecotoxicity of methiocarb aqueous solutions treated by electrochemical oxidation was evaluated utilizing the model organism Daphnia magna. The electrodegradation experiments were performed using a boron-doped diamond anode and the influence of the applied current density and the supporting electrolyte (NaCl or Na2SO4) on methiocarb degradation and toxicity reduction were assessed. Electrooxidation treatment presented a remarkable efficiency in methiocarb complete degradation and a high potential for reducing the undesirable ecological effects of this priority substance. The reaction rate followed first-order kinetics in both electrolytes, being more favorable in a chloride medium. In fact, the presence of chloride increased the methiocarb removal rate and toxicity reduction and favored nitrogen removal. A 200× reduction in the acute toxicity towards D. magna, from 370.9 to 1.6 toxic units, was observed for the solutions prepared with NaCl after 5 h treatment at 100 A m−2. An increase in the applied current density led to an increase in toxicity towards D. magna of the treated solutions. At optimized experimental conditions, electrooxidation offers a suitable solution for the treatment and elimination of undesirable ecological effects of methiocarb contaminated industrial or agricultural wastewaters, ensuring that this highly hazardous pesticide is not transferred to the aquatic environment.
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Fernandes A, Pereira C, Kozioł V, Pacheco MJ, Ciríaco L, Lopes A. Emerging contaminants removal from effluents with complex matrices by electrooxidation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 740:140153. [PMID: 32563882 DOI: 10.1016/j.scitotenv.2020.140153] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 06/08/2020] [Accepted: 06/10/2020] [Indexed: 06/11/2023]
Abstract
The electrooxidation of methiocarb and bisphenol A was studied in complex matrices, namely, simulated and real sanitary landfill leachate samples, using a boron-doped diamond anode. With simulated sanitary landfill leachate samples, the influence of the type and ratio of carbon source (glucose/humic acid) and electrolyte (NaCl or Na2SO4) on the emerging contaminants removal was assessed. Using real sanitary landfill leachate, the influence of current density was evaluated. The experimental results showed that electrooxidation, using a boron-doped diamond anode, can be successfully utilized to degrade methiocarb and bisphenol A when present in complex matrices, such as sanitary landfill leachate, and that methiocarb is more easily oxidized than bisphenol A. Furthermore, it was found that the presence of chloride and high humic acid content increases emerging contaminants removal rate, showing that electrooxidation at boron-doped diamond is particularly adequate to solve the problems raised by sanitary landfill leachate, even when contaminated with emerging contaminants.
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Affiliation(s)
- Annabel Fernandes
- FibEnTech-UBI, Department of Chemistry, Universidade da Beira Interior, 6201-001 Covilhã, Portugal.
| | - Christopher Pereira
- FibEnTech-UBI, Department of Chemistry, Universidade da Beira Interior, 6201-001 Covilhã, Portugal
| | - Violeta Kozioł
- Faculty of Chemistry, Rzeszów University of Technology, Powstańców Warszawy, 12 35-959 Rzeszów, Poland
| | - Maria José Pacheco
- FibEnTech-UBI, Department of Chemistry, Universidade da Beira Interior, 6201-001 Covilhã, Portugal
| | - Lurdes Ciríaco
- FibEnTech-UBI, Department of Chemistry, Universidade da Beira Interior, 6201-001 Covilhã, Portugal
| | - Ana Lopes
- FibEnTech-UBI, Department of Chemistry, Universidade da Beira Interior, 6201-001 Covilhã, Portugal
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Ozone treatment pak choi for the removal of malathion and carbosulfan pesticide residues. Food Chem 2020; 337:127755. [PMID: 32777567 DOI: 10.1016/j.foodchem.2020.127755] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 08/01/2020] [Accepted: 08/01/2020] [Indexed: 01/15/2023]
Abstract
Since the beginning of the widespread use of pesticides, their removal from food has become a serious concern. In this study, the removal of residual pesticides (malathion and carbosulfan) from pak choi via treatment with ozonated water was investigated. Under the optimal treatment conditions, i.e., 2.0 mg/L ozonated water and a treatment duration of 15 min, malathion and carbosulfan were degraded by 53.0 and 33.0%, respectively, without any significant changes in color. Even though there was a slight decrease in vitamin C content (~7.9 mg/100 g) following the treatments, a significant decrease in the microbial colonies on the vegetables was observed. Additionally, the pesticide degradation mechanism showed good fitting with a "first + first"-order kinetic model (R2 > 0.9), and the slope (k) indicated that ozone had a more prominent degradation effect on malathion than on carbosulfan. Therefore, this study provides a theoretical basis for controlling agricultural pesticide residues in household applications.
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Song X, Sun L, Ning P, Wang C, Sun X, Yin L, Li K. Ozone generation mechanism over phosphorus and the impact of H 2O with density functional modeling. NEW J CHEM 2019. [DOI: 10.1039/c9nj02937k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The generation of P–O was a continuous process but was not conducive to generate O3 and a free O atom.
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Affiliation(s)
- Xin Song
- Faculty of Environmental Science and Engineering
- Kunming University of Science and Technology
- Kunming
- China
| | - Lina Sun
- Faculty of Environmental Science and Engineering
- Kunming University of Science and Technology
- Kunming
- China
| | - Ping Ning
- National-Regional Engineering Center for Recovery of Waste Gases from Metallurgical and Chemical Industries
- Kunming 650500
- P. R. China
| | - Chi Wang
- Faculty of Chemical Engineering
- Kunming University of Science and Technology
- Kunming
- China
| | - Xin Sun
- Faculty of Environmental Science and Engineering
- Kunming University of Science and Technology
- Kunming
- China
| | - Liangtao Yin
- Faculty of Environmental Science and Engineering
- Kunming University of Science and Technology
- Kunming
- China
| | - Kai Li
- Faculty of Environmental Science and Engineering
- Kunming University of Science and Technology
- Kunming
- China
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Cruz-Alcalde A, Sans C, Esplugas S. Priority pesticide dichlorvos removal from water by ozonation process: Reactivity, transformation products and associated toxicity. Sep Purif Technol 2018. [DOI: 10.1016/j.seppur.2017.09.069] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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