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Photoelectrochemical removal of 17ß-estradiol using a RuO2-graphene electrode.
Moraes, Fernando C; Gorup, Luiz F; Rocha, Robson S; Lanza, Marcos R V; Pereira, Ernesto C.
Afiliación
  • Moraes FC; Department of Chemistry, Federal University of São Carlos, P.O. Box 676, C.P, 13560-970 São Carlos, SP, Brazil. Electronic address: fcmoraes@hotmail.com.
  • Gorup LF; Department of Chemistry, Federal University of São Carlos, P.O. Box 676, C.P, 13560-970 São Carlos, SP, Brazil.
  • Rocha RS; Institute of Chemistry of São Carlos, University of São Paulo, P.O. Box 780, C.P, 78060-900 São Carlos, SP, Brazil.
  • Lanza MR; Institute of Chemistry of São Carlos, University of São Paulo, P.O. Box 780, C.P, 78060-900 São Carlos, SP, Brazil.
  • Pereira EC; Department of Chemistry, Federal University of São Carlos, P.O. Box 676, C.P, 13560-970 São Carlos, SP, Brazil.
Chemosphere ; 162: 99-104, 2016 Nov.
Article en En | MEDLINE | ID: mdl-27487094
A new electrode for the photoelectrochemical removal of 17ß-estradiol from water using ruthenium oxide nanoparticles supported on reduced graphene oxide is proposed in this study. The morphology, microstructure and the electrochemical performance of the material were characterized using HRTEM, XRD and Raman spectroscopy. The characterization showed the formation of reduced graphene oxide from a micro-wave assisted hydrothermal method with a particle size of 5.0 nm + 2.4 nm. The electrochemical measurements point to a high performance of the electrode in the presence of a white light source. The hormone removal efficiency in water containing 50 µmol L(-1) of 17ß-estradiol was evaluated using chronoamperometry at +1.0 V and the process was monitored using liquid chromatography. The reaction is pseudo first order with the removal of 92.2% of 17ß-estradiol after 60 min of photoelectrocatalytic treatment.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Rayos Ultravioleta / Contaminantes Químicos del Agua / Compuestos de Rutenio / Purificación del Agua / Estradiol / Grafito Idioma: En Revista: Chemosphere Año: 2016 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Rayos Ultravioleta / Contaminantes Químicos del Agua / Compuestos de Rutenio / Purificación del Agua / Estradiol / Grafito Idioma: En Revista: Chemosphere Año: 2016 Tipo del documento: Article Pais de publicación: Reino Unido