Influence of EfOM on the oxidation of micropollutants by Ozone and UV/H2O2 in secondary effluents

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RECERCAT Principal > Universitat de Barcelona > Enginyeria Química i Química Analítica > Articles publicats en revistes (Enginyeria Química i Química Analítica) > Visualizar documento

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dc.contributor	Universitat de Barcelona
dc.contributor.author	Vieira, S. P.
dc.contributor.author	Dantas, R. F.
dc.contributor.author	Esplugas Vidal, Santiago
dc.contributor.author	Sans Mazón, Carme
dc.contributor.author	Dezotti, M.
dc.date	2013-12-04T12:03:49Z
dc.date	2013-12-04T12:03:49Z
dc.date	2011-06
dc.date	2013-12-04T12:03:50Z
dc.identifier.citation	1934-8932
dc.identifier.citation	616253
dc.identifier.uri	http://hdl.handle.net/2445/48288
dc.format	15 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	David Publishing
dc.relation	Reproducció del document publicat a: http://www.davidpublishing.com/show.html?2152
dc.relation	Journal of Environmental Science and Engineering, 2011, vol. 5, num. 6, p. 789-798
dc.rights	(c) David Publishing, 2011
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Contaminació de l'aigua
dc.subject	Enginyeria ambiental
dc.subject	Ozonització
dc.subject	Plaguicides
dc.subject	Contaminants orgànics de l'aigua
dc.subject	Toxicitat dels medicaments
dc.subject	Depuració d'aigües residuals
dc.subject	Water pollution
dc.subject	Environmental engineering
dc.subject	Ozonization
dc.subject	Pesticides
dc.subject	Organic water pollutants
dc.subject	Drug toxicity
dc.subject	Purification of sewage
dc.title	Influence of EfOM on the oxidation of micropollutants by Ozone and UV/H2O2 in secondary effluents
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	The aim of this work was to study the influence of effluent organic matter (EfOM) on micropollutants removal by ozone and UV/H2O2. To perform the experiments, deionized water and municipal secondary effluents (SE) were artificially contaminated with atrazine (ATZ) and treated by the two proposed methods. ATZ concentration, COD and TOC were recorded along the reaction time and used to evaluate EfOM effect on the system efficiency. Results demonstrate that the presence of EfOM can significantly reduce the micropollutant removal rate due to competition of EfOM components to react with radicals and/or molecular ozone. The hydroxyl radical scavenging caused by EfOM was quantified as well as the contribution of molecular ozone and �OH radicals during the ozonation of SE. EfOM components promoted higher inhibition of ATZ oxidation by hydroxyl radicals than by molecular ozone.

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