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Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2(center dot-) radical

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Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2(center dot-) radical

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dc.contributor.author Caregnato, Paula es_ES
dc.contributor.author Rosso, Janina A. es_ES
dc.contributor.author Soler Escoda, Juan Miguel es_ES
dc.contributor.author Arques Sanz, Antonio es_ES
dc.contributor.author Martire, Daniel O. es_ES
dc.contributor.author González, Mónica C. es_ES
dc.date.accessioned 2015-05-30T09:05:31Z
dc.date.available 2015-05-30T09:05:31Z
dc.date.issued 2013-01-01
dc.identifier.issn 0043-1354
dc.identifier.uri http://hdl.handle.net/10251/51003
dc.description NOTICE: this is the author’s version of a work that was accepted for publication in Water Research. Changes resulting from the publishing process, such as peer review, editing, corrections,structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in WATER RESEARCH [VOL 47, ISSUE 1, (January 2013)] DOI 10.1016/j.watres.2012.10.018¨ IWA Publishing : Set statement to accompany deposit, "©IWA Publishing 2013. The definitive peer-reviewed and edited version of this article is published in Water Research 47 1 351-362 2013 DOI 10.1016/j.watres.2012.10.018 and is available at www.iwapublishing.com." es_ES
dc.description.abstract The reaction of phosphor-containing pesticides such as methidathion (MT) and dimethoate (DM) with dichloride radical anions (Cl-2(center dot-)) was investigated. The second order rate constants (1.3 +/- 0.4) x 10(8) and (1.1 0.4) x 10(8) M-1 s(-1) were determined for the reaction of Cl-2(center dot-) with MT and DM, respectively. A reaction mechanism involving an initial charge transfer from the sulfide groups of the insecticides to Cl-2(center dot-) is proposed and supported by the identified transient intermediates and reaction products. The formation of chlorinated byproducts was determined. The unexpected consequences of an efficient Cl-2(center dot-) activity towards MT and DM on the degradation capacity by Advanced Oxidation Procedures applied to polluted waters containing the insecticides and Cl- anions is discussed. (C) 2012 Elsevier Ltd. All rights reserved. es_ES
dc.description.sponsorship This research was financially supported by Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Agencia Nacional de Promocion Cientifica y Tecnologica (Argentina, project PICT 2007 number 00308), and Agencia Espanola de Cooperacion Internacional (project A/8199/07). MCG, JAR and PC are research members of Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Argentina. D.O.M. is a research member of CICPBA, Argentina. This research was supported by the grant PIP 112-200801-00356 from CONICET. en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.publisher IWA Publishing es_ES
dc.relation.ispartof Water Research es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Organophosphorous pesticides es_ES
dc.subject Degradation es_ES
dc.subject Chloride anion es_ES
dc.subject Flash-photolysis es_ES
dc.subject Chlorinated byproducts es_ES
dc.subject.classification QUIMICA FISICA es_ES
dc.title Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2(center dot-) radical es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.watres.2012.10.018
dc.relation.projectID info:eu-repo/grantAgreement/MAEC//A%2F8199%2F07/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/ANPCyT//00308 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/CONICET//PIP 11220080100356/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Grupo de Procesos de Oxidación Avanzada es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Textil y Papelera - Departament d'Enginyeria Tèxtil i Paperera es_ES
dc.description.bibliographicCitation Caregnato, P.; Rosso, JA.; Soler Escoda, JM.; Arques Sanz, A.; Martire, DO.; González, MC. (2013). Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2(center dot-) radical. Water Research. 47(1):351-362. https://doi.org/10.1016/j.watres.2012.10.018 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.watres.2012.10.018 es_ES
dc.description.upvformatpinicio 351 es_ES
dc.description.upvformatpfin 362 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 47 es_ES
dc.description.issue 1 es_ES
dc.relation.senia 265882
dc.contributor.funder Ministerio de Asuntos Exteriores y Cooperación es_ES
dc.contributor.funder Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina es_ES
dc.contributor.funder Agencia Nacional de Promoción Científica y Tecnológica, Argentina


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