Study of the chlorfenvinphos pesticide removal under different anodic materials and different reactor configuration
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Otros documentos de la autoría: Mora Gómez, Julia; Escribá-Jiménez, S.; Carrillo-Abad, Jordi; García Gabaldón, Montserrat; Montañés Sanjuan, Maria Teresa; Mestre Beltrán, Sergio; Pérez-Herranz, Valentín
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Título
Study of the chlorfenvinphos pesticide removal under different anodic materials and different reactor configurationAutoría
Fecha de publicación
2021-12-15Editor
ElsevierCita bibliográfica
MORA-GÓMEZ, J., et al. Study of the chlorfenvinphos pesticide removal under different anodic materials and different reactor configuration. Chemosphere, 2022, vol. 290, p. 133294.Tipo de documento
info:eu-repo/semantics/articleVersión
info:eu-repo/semantics/submittedVersionPalabras clave / Materias
Resumen
The present manuscript focuses on the study of the electrochemical oxidation of the insecticide Chlorfenvinphos (CVP). The assays were carried out under galvanostatic conditions using boron-doped diamond (BDD) and ... [+]
The present manuscript focuses on the study of the electrochemical oxidation of the insecticide Chlorfenvinphos (CVP). The assays were carried out under galvanostatic conditions using boron-doped diamond (BDD) and low-cost tin dioxide doped with antimony (Sb-doped SnO2) as anodes. The influence of the operating variables, such as applied current density, presence or absence of a cation-exchange membrane and concentration of supporting electrolyte, was discussed. The results revealed that the higher applied current density the higher degradation and mineralization of the insecticide for both anodes. The presence of the membrane and the highest concentration of Na2SO4 studied (0.1 M) as a supporting electrolyte benefited the oxidation process of CVP using the BDD electrode, while with the ceramic anode the elimination of CVP was lower under these experimental conditions. Although the BDD electrode showed the best performance, ceramic anodes appear as an interesting alternative as they were able to degrade CVP completely for the highest applied current density values. Toxicity tests revealed that the initial solution of CVP was more toxic than the samples treated with the ceramic electrode, while using the BDD electrode the toxicity of the sample increased. [-]
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Chemosphere Vol. 290, March 2022Entidad financiadora
Ministerio de Economía y Competitividad, España | FEDER funds.
Código del proyecto o subvención
RTI 2018-101341- B-C2
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© 2021 Elsevier Ltd. All rights reserved.
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info:eu-repo/semantics/openAccess
http://rightsstatements.org/vocab/InC/1.0/
info:eu-repo/semantics/openAccess
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