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Photoelectrochemical removal of chlorfenvinphos by using WO3 nanorods: Influence of annealing temperature and operation pH

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Photoelectrochemical removal of chlorfenvinphos by using WO3 nanorods: Influence of annealing temperature and operation pH

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dc.contributor.author	Fernández Domene, Ramón Manuel
dc.contributor.author	Roselló Márquez, Gemma
dc.contributor.author	Sánchez Tovar, Rita
dc.contributor.author	Lucas Granados, Bianca
dc.contributor.author	Garcia-Anton, Jose
dc.date.accessioned	2021-01-12T17:11:50Z
dc.date.available	2021-01-12T17:11:50Z
dc.date.issued	2019
dc.identifier.citation	Fernández Domene, Ramón Manuel Roselló Márquez, Gemma Sánchez Tovar, Rita Lucas Granados, Bianca Garcia-Anton, Jose 2019 Photoelectrochemical removal of chlorfenvinphos by using WO3 nanorods: Influence of annealing temperature and operation pH Separation and Purification Technology 212 458 464
dc.identifier.uri	https://hdl.handle.net/10550/77021
dc.description.abstract	A visible-light driven photoelectrochemical degradation process has been applied to a solution polluted with the organophosphate insecticide chlorfenvinphos. Different WO3 nanosheets/nanorods have been used as photoanodes. These nanostructured electrodes have been fabricated by anodization of tungsten and, subsequently, they have been subjected to a thermal treatment (annealing). The combined influence of annealing temperature (400 °C and 600 °C) and operation pH (1 and 3) on the photoelectrocatalytic behavior of these nanorods has been examined through a statistical analysis. Morphological, structural and photoelectrochemical characterizations have also been carried out. The chlorfenvinphos degradation efficiency depended both on annealing temperature and, specially, operation pH. At pH 1 and using an annealing temperature of 600 °C, chlorfenvinphos has been effectively degraded following pseudo-first order kinetics with a coefficient of 7.8 × 10−3 min−1, and notably mineralized (more than 65% of Total Organic Carbon decrease).
dc.language.iso	eng
dc.relation.ispartof	Separation and Purification Technology, 2019, vol. 212, p. 458-464
dc.subject	Nanotecnologia
dc.subject	Electroquímica
dc.title	Photoelectrochemical removal of chlorfenvinphos by using WO3 nanorods: Influence of annealing temperature and operation pH
dc.type	journal article	es_ES
dc.date.updated	2021-01-12T17:11:50Z
dc.identifier.doi	10.1016/j.seppur.2018.11.049
dc.identifier.idgrec	138180
dc.rights.accessRights	open access	es_ES