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Trench AB, Fernandes CM, Moura JPC, Lucchetti LEB, Lima TS, Antonin VS, de Almeida JM, Autreto P, Robles I, Motheo AJ, Lanza MRV, Santos MC. Hydrogen peroxide electrogeneration from O 2 electroreduction: A review focusing on carbon electrocatalysts and environmental applications. CHEMOSPHERE 2024; 352:141456. [PMID: 38367878 DOI: 10.1016/j.chemosphere.2024.141456] [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: 11/21/2023] [Revised: 02/05/2024] [Accepted: 02/11/2024] [Indexed: 02/19/2024]
Abstract
Hydrogen peroxide (H2O2) stands as one of the foremost utilized oxidizing agents in modern times. The established method for its production involves the intricate and costly anthraquinone process. However, a promising alternative pathway is the electrochemical hydrogen peroxide production, accomplished through the oxygen reduction reaction via a 2-electron pathway. This method not only simplifies the production process but also upholds environmental sustainability, especially when compared to the conventional anthraquinone method. In this review paper, recent works from the literature focusing on the 2-electron oxygen reduction reaction promoted by carbon electrocatalysts are summarized. The practical applications of these materials in the treatment of effluents contaminated with different pollutants (drugs, dyes, pesticides, and herbicides) are presented. Water treatment aiming to address these issues can be achieved through advanced oxidation electrochemical processes such as electro-Fenton, solar-electro-Fenton, and photo-electro-Fenton. These processes are discussed in detail in this work and the possible radicals that degrade the pollutants in each case are highlighted. The review broadens its scope to encompass contemporary computational simulations focused on the 2-electron oxygen reduction reaction, employing different models to describe carbon-based electrocatalysts. Finally, perspectives and future challenges in the area of carbon-based electrocatalysts for H2O2 electrogeneration are discussed. This review paper presents a forward-oriented viewpoint of present innovations and pragmatic implementations, delineating forthcoming challenges and prospects of this ever-evolving field.
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Affiliation(s)
- Aline B Trench
- Centre of Natural and Human Sciences, Federal University of ABC. Rua Santa Adélia 166, Bairro Bangu, 09210-170, Santo André, SP, Brazil
| | - Caio Machado Fernandes
- Centre of Natural and Human Sciences, Federal University of ABC. Rua Santa Adélia 166, Bairro Bangu, 09210-170, Santo André, SP, Brazil
| | - João Paulo C Moura
- Centre of Natural and Human Sciences, Federal University of ABC. Rua Santa Adélia 166, Bairro Bangu, 09210-170, Santo André, SP, Brazil
| | - Lanna E B Lucchetti
- Centre of Natural and Human Sciences, Federal University of ABC. Rua Santa Adélia 166, Bairro Bangu, 09210-170, Santo André, SP, Brazil
| | - Thays S Lima
- São Carlos Institute of Chemistry, University of São Paulo, P.O. Box 780, São Carlos, SP, CEP 13560-970, Brazil
| | - Vanessa S Antonin
- Centre of Natural and Human Sciences, Federal University of ABC. Rua Santa Adélia 166, Bairro Bangu, 09210-170, Santo André, SP, Brazil
| | - James M de Almeida
- Ilum Escola de Ciência - Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Brazil
| | - Pedro Autreto
- Centre of Natural and Human Sciences, Federal University of ABC. Rua Santa Adélia 166, Bairro Bangu, 09210-170, Santo André, SP, Brazil
| | - Irma Robles
- Center for Research and Technological Development in Electrochemistry, S.C., Parque Tecnologico Queretaro, 76703, Sanfandila, Pedro Escobedo, Queretaro, Mexico
| | - Artur J Motheo
- São Carlos Institute of Chemistry, University of São Paulo, P.O. Box 780, São Carlos, SP, CEP 13560-970, Brazil
| | - Marcos R V Lanza
- São Carlos Institute of Chemistry, University of São Paulo, P.O. Box 780, São Carlos, SP, CEP 13560-970, Brazil
| | - Mauro C Santos
- Centre of Natural and Human Sciences, Federal University of ABC. Rua Santa Adélia 166, Bairro Bangu, 09210-170, Santo André, SP, Brazil.
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Brillas E. Solar photoelectro-Fenton: A very effective and cost-efficient electrochemical advanced oxidation process for the removal of organic pollutants from synthetic and real wastewaters. CHEMOSPHERE 2023; 327:138532. [PMID: 37003440 DOI: 10.1016/j.chemosphere.2023.138532] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/19/2023] [Accepted: 03/26/2023] [Indexed: 06/19/2023]
Abstract
Recalcitrant and toxic organic pollutants from wastewaters are scarcely removed in conventional wastewater treatment plants. To preserve the water quality, organics need to be removed by developing powerful oxidation technologies. Our laboratory proposed in 2007 a potent electrochemical advanced oxidation process (EAOP) for wastewater remediation, so-called solar photoelectro-Fenton (SPEF). This review summarizes the advances of this emerging technology up to 2022, making evident its effectiveness and cost-efficiency for the destruction of usual organic pollutants. The simultaneous action of generated hydroxyl radicals and the photolysis by sunlight explains the high oxidation power of SPEF respect to other EAOPs. The review is initiated by describing the fundamentals of the process to remark the role of the produced oxidants and the benefits of using solar irradiation in its performance. The photoelectrochemical systems used (bench tank reactor and solar pre-pilot flow plant) and the assessment of the operating variables are discussed. The characteristics of the most common homogeneous SPEF for the degradation and mineralization of several synthetic solutions of industrial chemicals, herbicides, pharmaceuticals, and synthetic organic dyes, as well as of some real wastewaters, are further described. The influence of the photoelectrochemical cell, electrodes, solution pH, electrolyte composition, Fe2+ and pollutant concentration, and current density is analyzed. The performance of a homogeneous SPEF-like process with active chlorine and heterogeneous SPEF processes with solid catalysts such as Fe3O4 and sodium vermiculite is also discussed. Finally, the advances of homogeneous SPEF combined with other techniques like solar photocatalysis, solar photoelectrocatalysis, anaerobic digestion, and nanofiltration are reported.
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Affiliation(s)
- Enric Brillas
- Laboratori d'Electroquímica dels Materialsi 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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Onisuru OR, Ilunga AK, Potgieter K, Oseghale CO, Meijboom R. Colloidal metal nanocatalysts to advance orange II hydrogenolysis tracked by a microplate reader. REACTION KINETICS MECHANISMS AND CATALYSIS 2023. [DOI: 10.1007/s11144-023-02387-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Abstract
AbstractThe thermal reduction method was applied to synthesize metal nanoparticles using poly(1-vinyl-2-pyrrolidone) as an organic stabilizer to control metal nanoparticle agglomeration. Colloidal metal nanoparticles, gold, palladium, and gold–palladium nanoparticles were synthesized, and UV–visible spectrophotometry and high-resolution transmission electron microscopy analyses were conducted to characterize them. The metal nanoparticle micrographs showed well-dispersed particles with an average size of 9.6 nm (Au), 15.4 nm (Pd), and 10.6 nm (AuPd). All the colloidal metal nanoparticles served as nanocatalysts to advance a reductive degradation of orange II in presence of borohydride ions. For a prompt screening of catalytic activity, the microplate reader system was considered at a fixed maximum absorbance wavelength of λ 489 nm respected by orange II. Excess borohydride ions were used to construct pseudo-first kinetic conditions. The Langmuir–Hinshelwood model allowed the finding of kinetic activity on the surface of metal nanoparticles. AuPd nanocatalyst interface exhibited low activation energy (5.38 kJ mol−1) compared to the one on Au (8.19 kJ mol−1) and Pd (7.23 kJ mol−1).
Graphical Abstract
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Santos MC, Antonin VS, Souza FM, Aveiro LR, Pinheiro VS, Gentil TC, Lima TS, Moura JPC, Silva CR, Lucchetti LEB, Codognoto L, Robles I, Lanza MRV. Decontamination of wastewater containing contaminants of emerging concern by electrooxidation and Fenton-based processes - A review on the relevance of materials and methods. CHEMOSPHERE 2022; 307:135763. [PMID: 35952792 DOI: 10.1016/j.chemosphere.2022.135763] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 07/11/2022] [Accepted: 07/14/2022] [Indexed: 06/15/2023]
Abstract
In recent years, there has been an increasingly growing interest regarding the use of electrochemical advanced oxidation processes (EAOPs) which are considered highly promising alternative treatment techniques for addressing environmental issues related to pollutants of emerging concern. In EAOPs, electrogenerated oxidizing agents, such as hydroxyl radical (HO•), can react non-selectively with a wide range of organic compounds, degrading and mineralizing their structures to unharmful molecules like CO2, H2O, and inorganic ions. To this date, a broad spectrum of advanced electrocatalysts have been developed and applied for the treatment of compounds of interest in different matrices, specifically aiming at enhancing the degradation performance. New combined methods have also been employed as alternative treatment techniques targeted at circumventing the major obstacles encountered in Fenton-based processes, such as high costs and energy consumption, which still contribute significantly toward inhibiting the large-scale application of these processes. First, some fundamental aspects of EAOPs will be presented. Further, we will provide an overview of electrode materials which have been recently developed and reported in the literature, highlighting different anode and cathode structures employed in EAOPs, their main advantages and disadvantages, as well as their contribution to the performance of the treatment processes. The influence of operating parameters, such as initial concentrations, pH effect, temperature, supporting electrolyte, and radiation source, on the treatment processes were also studied. Finally, hybrid techniques which have been reported in the literature and critically assess the most recent techniques used for evaluating the degradation efficiency of the treatment processes.
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Affiliation(s)
- Mauro C Santos
- Laboratory of Eletrochemistry and Nanostructured Materials (LEMN) Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), CEP: 09210-170, Rua Santa Adélia 166, Bairro Bangu, Santo André, SP, Brazil.
| | - Vanessa S Antonin
- Laboratory of Eletrochemistry and Nanostructured Materials (LEMN) Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), CEP: 09210-170, Rua Santa Adélia 166, Bairro Bangu, Santo André, SP, Brazil
| | - Felipe M Souza
- Laboratory of Eletrochemistry and Nanostructured Materials (LEMN) Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), CEP: 09210-170, Rua Santa Adélia 166, Bairro Bangu, Santo André, SP, Brazil; Departamento de Química, Instituto Federal de Educação, Ciência e Tecnologia Goiano, BR-153, Km 633, Zona Rural, CEP: 75650-000, Morrinhos, GO, Brazil
| | - Luci R Aveiro
- São Paulo Federal Institute of Education, Science and Technology, Rua Pedro Vicente, 625, Canindé São Paulo, CEP: 01109-010, SP, Brazil
| | - Victor S Pinheiro
- Laboratory of Eletrochemistry and Nanostructured Materials (LEMN) Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), CEP: 09210-170, Rua Santa Adélia 166, Bairro Bangu, Santo André, SP, Brazil
| | - Tuani C Gentil
- Laboratory of Eletrochemistry and Nanostructured Materials (LEMN) Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), CEP: 09210-170, Rua Santa Adélia 166, Bairro Bangu, Santo André, SP, Brazil
| | - Thays S Lima
- Department of Chemistry, Institute of Chemical and Pharmaceutical Environmental Sciences, Federal University of São Paulo (UNIFESP), Rua Prof. Artur Riedel, n 275 - Jd. Eldorado, CEP: 09972-270, Diadema, SP, Brazil
| | - João P C Moura
- Laboratory of Eletrochemistry and Nanostructured Materials (LEMN) Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), CEP: 09210-170, Rua Santa Adélia 166, Bairro Bangu, Santo André, SP, Brazil
| | - Carolina R Silva
- Laboratory of Eletrochemistry and Nanostructured Materials (LEMN) Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), CEP: 09210-170, Rua Santa Adélia 166, Bairro Bangu, Santo André, SP, Brazil
| | - Lanna E B Lucchetti
- Laboratory of Eletrochemistry and Nanostructured Materials (LEMN) Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), CEP: 09210-170, Rua Santa Adélia 166, Bairro Bangu, Santo André, SP, Brazil
| | - Lucia Codognoto
- Department of Chemistry, Institute of Chemical and Pharmaceutical Environmental Sciences, Federal University of São Paulo (UNIFESP), Rua Prof. Artur Riedel, n 275 - Jd. Eldorado, CEP: 09972-270, Diadema, SP, Brazil
| | - Irma Robles
- Center for Research and Technological Development in Electrochemistry, S.C., Parque Tecnológico Querétaro, 76703, Sanfandila, Pedro Escobedo, Querétaro, Mexico
| | - Marcos R V Lanza
- São Carlos Institute of Chemistry (IQSC), University of São Paulo (USP), Avenida Trabalhador São-carlense 400, São Carlos, SP, 13566-590, Brazil
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Use of WO2.72 Nanoparticles/Vulcan® XC72 GDE Electrocatalyst Combined with the Photoelectro-Fenton Process for the Degradation of 17α-Ethinylestradiol (EE2). Electrocatalysis (N Y) 2022. [DOI: 10.1007/s12678-022-00724-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Wang J, Li C, Rauf M, Luo H, Sun X, Jiang Y. Gas diffusion electrodes for H 2O 2 production and their applications for electrochemical degradation of organic pollutants in water: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 759:143459. [PMID: 33223172 DOI: 10.1016/j.scitotenv.2020.143459] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 10/15/2020] [Accepted: 10/22/2020] [Indexed: 06/11/2023]
Abstract
Nowadays, it is a great challenge to minimize the negative impact of hazardous organic compounds in the environment. Highly efficient hydrogen peroxide (H2O2) production through electrochemical methods with gas diffusion electrodes (GDEs) is greatly demand for degradation of organic pollutants that present in drinking water and industrial wastewater. The GDEs as cathodic electrocatalyst manifest more cost-effective, lower energy consumption and higher oxygen utilization efficiency for H2O2 production as compared to other carbonaceous cathodes due to its worthy chemical and physical characteristics. In recent years, the crucial research and practical application of GDE for degradation of organic pollutants have been well developed. In this review, we focus on the novel design, fundamental aspects, influence factors, and electrochemical properties of GDEs. Furthermore, we investigate the generation of H2O2 through electrocatalytic processes and degradation mechanisms of refractory organic pollutants on GDEs. We describe the advanced methodologies towards electrochemical kinetics, which include the enhancement of GDEs electrochemical catalytic activity and mass transfer process. More importantly, we also highlight the other technologies assisted electrochemical process with GDEs to enlarge the practical application for water treatment. In addition, the developmental prospective and the existing research challenges of GDE-based electrocatalytic materials for real applications in H2O2 production and wastewater treatment are forecasted. According to our best knowledge, only few review articles have discussed GDEs in detail for H2O2 production and their applications for degradation of organic pollutants in water.
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Affiliation(s)
- Jingwen Wang
- Shenzhen Key Laboratory of Organic Pollution Prevention and Control, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, PR China
| | - Chaolin Li
- Shenzhen Key Laboratory of Organic Pollution Prevention and Control, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, PR China.
| | - Muhammad Rauf
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, PR China
| | - Haijian Luo
- Education Center of Experiments and Innovations, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, PR China
| | - Xue Sun
- Shenzhen Key Laboratory of Organic Pollution Prevention and Control, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, PR China
| | - Yiqi Jiang
- Shenzhen Key Laboratory of Organic Pollution Prevention and Control, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, PR China
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Phoon BL, Ong CC, Mohamed Saheed MS, Show PL, Chang JS, Ling TC, Lam SS, Juan JC. Conventional and emerging technologies for removal of antibiotics from wastewater. JOURNAL OF HAZARDOUS MATERIALS 2020; 400:122961. [PMID: 32947727 DOI: 10.1016/j.jhazmat.2020.122961] [Citation(s) in RCA: 183] [Impact Index Per Article: 45.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 04/26/2020] [Accepted: 05/12/2020] [Indexed: 05/27/2023]
Abstract
Antibiotics and pharmaceuticals related products are used to enhance public health and quality of life. The wastewater that is produced from pharmaceutical industries still contains noticeable amount of antibiotics, and this has remained one of the major environmental problems facing public health. The conventional wastewater remediation approach employed by the pharmaceutical industries for the antibiotics wastewater removal is unable to remove the antibiotics completely. Besides, municipal and livestock wastewater also contain unmetabolized antibiotics released by human and animal, respectively. The antibiotic found in wastewater leads to antibiotic resistance challenges, also emergence of superbugs. Currently, numerous technological approaches have been developed to remove antibiotics from the wastewater. Therefore, it was imperative to critically review the weakness and strength of these current advanced technological approaches in use. Besides, the conventional methods for removal of antibiotics such as Klavaroti et al., Homem and Santos also discussed. Although, membrane treatment is discovered as the ultimate choice of approach, to completely remove the antibiotics, while the filtered antibiotics are still retained on the membrane. This study found, hybrid processes to be the best solution antibiotics removal from wastewater. Nevertheless, real-time monitoring system is also recommended to ascertain that, wastewater is cleared of antibiotics.
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Affiliation(s)
- Bao Lee Phoon
- Nanotechnology & Catalysis Research Centre (NANOCAT), Level 3 Block A, Institute for Advanced Studies, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Chong Cheen Ong
- Department of Fundamental & Applied Sciences, Universiti Teknologi PETRONAS, 32610 Seri Iskandar, Perak Darul Ridzuan, Malaysia; Centre of Innovative Nanostructures & Nanodevices (COINN), Universiti Teknologi PETRONAS, 32610 Seri Iskandar, Perak Darul Ridzuan, Malaysia
| | - Mohamed Shuaib Mohamed Saheed
- Department of Fundamental & Applied Sciences, Universiti Teknologi PETRONAS, 32610 Seri Iskandar, Perak Darul Ridzuan, Malaysia; Centre of Innovative Nanostructures & Nanodevices (COINN), Universiti Teknologi PETRONAS, 32610 Seri Iskandar, Perak Darul Ridzuan, Malaysia
| | - Pau-Loke Show
- Department of Chemical and Environmental Engineering, Faculty of Engineering, University of Nottingham Malaysia Campus, Jalan Broga, 43500 Semenyih, Selangor Darul Ehsan, Malaysia
| | - Jo-Shu Chang
- Department of Chemical and Materials Engineering, College of Engineering, Tunghai University, Taichung 407, Taiwan; Center for Nanotechnology, Tunghai University, Taichung 407, Taiwan; Department of Chemical Engineering, National Cheng Kung University, Tainan 701, Taiwan
| | - Tau Chuan Ling
- Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Su Shiung Lam
- Pyrolysis Technology Research Group, Institute of Tropical Aquaculture and Fisheries (AKUATROP) & Institute of Tropical Biodiversity and Sustainable Development (Bio-D Tropika), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
| | - Joon Ching Juan
- Nanotechnology & Catalysis Research Centre (NANOCAT), Level 3 Block A, Institute for Advanced Studies, University of Malaya, 50603 Kuala Lumpur, Malaysia; School of Science, Monash University, Sunway Campus, Jalan Lagoon Selatan, Selangor Darul Ehsan, Malaysia.
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