Optimisation of the electrochemical and UV combined treatment to remove colour and organic halogenated compounds of textile effluents

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/16751

dc.contributor	Universitat Politècnica de Catalunya. Institut d'Investigació Tèxtil i Cooperació Industrial de Terrassa
dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Tèxtil i Paperera
dc.contributor	Universitat Politècnica de Catalunya. ENMA - Enginyeria del Medi Ambient
dc.contributor.author	Riera Torres, Miquel Antoni
dc.contributor.author	Gutiérrez Bouzán, María Carmen
dc.date	2012-09-19
dc.identifier.citation	Riera, M.; Gutiérrez, M. Optimisation of the electrochemical and UV combined treatment to remove colour and organic halogenated compounds of textile effluents. "Separation and purification technology", 19 Setembre 2012, vol. 98, p. 375-382.
dc.identifier.citation	1383-5866
dc.identifier.uri	http://hdl.handle.net/2117/16751
dc.language.iso	eng
dc.relation	http://dx.doi.org/10.1016/j.seppur.2012.08.005
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria tèxtil ::Impacte ambiental
dc.subject	Textile industry
dc.subject	Textile industry--Environmental aspects
dc.subject	Sewage--Environmental aspects
dc.subject	Indústria tèxtil -- Aspectes ambientals
dc.subject	Aigües residuals -- Depuració
dc.title	Optimisation of the electrochemical and UV combined treatment to remove colour and organic halogenated compounds of textile effluents
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	Different electrochemical oxidation and UV irradiation treatment conditions were studied to improve the removal of colour and organic halogenated compounds of textile effluents wastewater so as to minimize their environmental impact. Synthetic dyeing effluents containing a reactive dye (CI Reactive Black 5, Procion Crimson H-EXL, Procion Navy H-EXL, Procion Yellow H-EXL and Procion Blue H-EXL) and Na2SO4 as dyeing electrolyte were studied. Ti/Pt oxides electrodes at different current densities (3, 6,12,24 and 40 mA/cm2) and three UV irradiation lamps (6 and 9W; 254, 360 and 365 nm maximum emission) were used. Results showed that total colour and organic halogenated compounds removal were achieved by UV irradiation after electrochemical treatment. A clear influence of current density and the type of UV lamp on colour removal was found, being the submerged lamps into the dye solution the most efficient. Kinetic constants of the UV irradiation step were calculated

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