A novel combined electrochemical-biological method for non-biodegradable pollutants degradation

Yao, Peidong; Chen, Xueming; Shen, Zhiyuan

doi:10.1080/19443994.2013.821027

Cited by 3 publications

(1 citation statement)

References 20 publications

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“…Mordant Blue 13 (KENOVA et al, 2018) Atrazina (MALPASS et al, 2006;2010b) Azul 19, Vermelho 195 e Amarelo 145 (SANTOS et al, 2020) Ti / SnO2-RuO2 Efluente de ácido gálico (ZHANG et al, 2019) Ti / IrO2-RuO2-TiO2 Tiocianato (TURAM et al, 2020) Ti/SnO2-Sb-Mn Orange II (YAO et al, 2013) Ti /RuO2 Amoxicilina (KAUR et al, 2019) Ofloxacina Ti /IrO2 Imidacloprida (ORIOL et al, 2019) Ti /SnO2-Sb2O3/Nb2O5-PbO2 Fenol (YANG et al, 2009) Ti /SnO2-Sb/PbO2-Ce Sulfametoxazol (LIN et al, 2013)…”

Section: Eletrodo De óXido De Metal Modificado Poluente Referênciamentioning

confidence: 99%

Análise dos processos de eletro-oxidação simples e foto-assistido usando ânodo de mistura de óxidos metálicos comercial em meio alcoólico e atrazina como composto modelo

Parra¹

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Water contamination has been extensively studied due to its scarcity, aggravated by poor management of water resources. One of the pollutants that has received the most attention is atrazine, a herbicide widely used in agriculture. Therefore, studies of new technologies for the treatment of effluents as electrochemical processes, have become important alternative methods to the conventional ones. However, considering the low concentrations (high dilution) of these pollutants in water, an inherent problem is the low effectiveness of these alternative methods and, consequently, the high energy consumption. Therefore, a new adsorption pre-concentration methodology that can be integrated into the degradation process is being implemented to avoid the limitations of direct electrochemical treatment. Atrazine is a poorly soluble in water, which, when nonaqueous solventes are used, facilitates desorption in a small volume for electrochemical treatment. In this work, atrazine was degraded in methanol media in the presence of different proportions of water (0%, 5% and 10%) using a commercial mixed metal oxide anode and sodium chloride as supporting electrolyte. The results obtained showed atrazines removals up to 99.8% after 1h of electrolysis. The variation of the current density during electrolysis demonstrated that atrazine is removed more quickly at high currents. The initial pH of the solution influences the process due to the formation of different species of active chlorine. The detection of the radicals produced helped to better understand the process and the species generated during the electro-oxidation in the methanol medium. On the other hand, the coupling of photo-assistance with electrooxidation showed a synergy between these processes, improving considerably the efficiency of atrazine degradation and demonstrating that the implementation of methanol as a medium is a promising method to degrade pollutants in effluents.

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Section: Eletrodo De óXido De Metal Modificado Poluente Referênciamentioning

confidence: 99%

Análise dos processos de eletro-oxidação simples e foto-assistido usando ânodo de mistura de óxidos metálicos comercial em meio alcoólico e atrazina como composto modelo

Parra¹

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Electrochemical technologies combined with physical, biological, and chemical processes for the treatment of pollutants and wastes: A review

Fitch¹,

Balderas‐Hernández²,

Ibáñez³

2022

Journal of Environmental Chemical Engineering

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Stitch and copolymerization of thin-film composite membranes to enhance hydrophilicity and organics resistance for the separation of glycerol-based wastewater

Ren

Lin

et al. 2021

Journal of Hazardous Materials

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A novel combined electrochemical-biological method for non-biodegradable pollutants degradation

Cited by 3 publications

References 20 publications

Análise dos processos de eletro-oxidação simples e foto-assistido usando ânodo de mistura de óxidos metálicos comercial em meio alcoólico e atrazina como composto modelo

Análise dos processos de eletro-oxidação simples e foto-assistido usando ânodo de mistura de óxidos metálicos comercial em meio alcoólico e atrazina como composto modelo

Electrochemical technologies combined with physical, biological, and chemical processes for the treatment of pollutants and wastes: A review

Stitch and copolymerization of thin-film composite membranes to enhance hydrophilicity and organics resistance for the separation of glycerol-based wastewater

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