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Removal of herbicide 2,4-D using conductive-diamond sono-electrochemical oxidation

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dc.contributor.author Souza, F.L.
dc.contributor.author Saez, C.
dc.contributor.author Lanza, Marcos R. V.
dc.contributor.author Cañizares Cañizares, Pablo
dc.contributor.author Rodrigo Rodrigo, Manuel Andrés
dc.date.accessioned 2016-05-10T10:28:16Z
dc.date.available 2016-05-10T10:28:16Z
dc.date.issued 2015-07
dc.identifier.citation Separation and Purification Technology. Volume 149, 27 July 2015, Pages 24–30 es_ES
dc.identifier.issn 1383-5866
dc.identifier.uri http://hdl.handle.net/10578/9244
dc.description.abstract In this work, the depletion of herbicide 2,4-D using electrolysis and sono-electrolysis was studied in a DIACELL® 401 electrochemical cell equipped with bipolar p-Si BDD electrodes. Results show that 2,4-D can be efficiently depleted from synthetic wastewater. In both technologies, 4-chlororesorcinol, 2-chlorophenol, 2,4-dichlorophenol, hydroquinone and benzoquinone are the main intermediates. Their concentrations are much lower under Ultrasound (US) irradiation, and complete mineralization is attained in silent and ultrasound tests. When more bipolar electrodes are connected, the removal is faster and more efficient, and the differences between the silent and the US irradiated processes are clearer. US irradiation also influences the formation of oxidants in the reaction media. Under US irradiation, production of chlorates is promoted compared with the formation of perchlorates, suggesting that perchlorates are formed on the anodic surface because this result can only be explained by enhanced chlorate transport to the bulk solution under US irradiation due to enhanced mass transport es_ES
dc.format application/pdf es_ES
dc.language.iso en es_ES
dc.publisher Elsevier es_ES
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject Conductive diamond es_ES
dc.subject Ultrasound irradiation es_ES
dc.subject Electrolysis es_ES
dc.subject Herbicide es_ES
dc.subject 2,4-D es_ES
dc.title Removal of herbicide 2,4-D using conductive-diamond sono-electrochemical oxidation es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.relation.projectID CTM2013-45612-R / FEDER 2007-2013 PP201010 es_ES
dc.identifier.DOI doi:10.1016/j.seppur.2015.05.018


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