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 |
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Authors: | Sáez Bernal, Verónica | Esclapez Vicente, María Deseada | Frías Ferrer, Ángel | Bonete, 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 |
Files in This Item:
File | Description | Size | Format | |
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Journal of New Materials for Electrochemical Systems 11, xxx-xxx (2008).pdf | 813,25 kB | Adobe PDF | Open Preview | |
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