Electrochemical reduction of perchloroethylene in aqueous media: influence of the electrode material

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Title: Electrochemical reduction of perchloroethylene in aqueous media: influence of the electrode material
Authors: Sáez Bernal, Verónica | Esclapez Vicente, María Deseada | Frías Ferrer, Ángel | Bonete Ferrández, Pedro | González García, José
Research Group/s: Nuevos Desarrollos Tecnológicos en Electroquímica: Sonoelectroquímica y Bioelectroquímica | Espectroelectroquímica, Fotoelectroquímica y Modelización
Center, Department or Service: Universidad de Alicante. Departamento de Química Física
Keywords: Perchloroethylene | Electrochemistry | Degradation | Treatment | Chlorinated compounds
Knowledge Area: Química Física
Date Created: Feb-2008
Issue Date: 2008
Publisher: Journal of New Materials for Electrochemical Systems
Citation: SÁEZ BERNAL, Verónica, et al. "Electrochemical reduction of perchloroethylene in aqueous media: influence of the electrode material". Journal of New Materials for Electrochemical Systems. Article in Press (2008). ISSN 1480-2422
Abstract: The electrochemical reduction of perchloroethylene (PCE) in water has been analyzed through voltammetric studies with a rotating disc electrode and controlled potential bulk electrolysis. The influence of the mass transport conditions and initial concentration on lead, copper and carbon electrodes has been studied. It has been pointed out that the electrochemical reduction of perchloroethylene takes place prior to the massive hydrogen evolution along with the potential window for all electrode materials studied. The current efficiency is low but increases as the working electrode potential decreases. Trichloroethylene (TCE), dichloroethylene (DCE) and chloride anions were clearly detected as reduction products, at the same proportion on lead and carbon electrodes along the potential window, but different proportions between higher and lower working electrode potentials at copper electrodes. The best results were obtained for the lead electrode.
Sponsor: Generalidad Valenciana under Research Project GV05-104.
URI: http://hdl.handle.net/10045/9425
ISSN: 1480-2422
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
Appears in Collections:INV - NDTESB - Artículos de Revistas
INV - GFES - Artículos de Revistas

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