| Título: | Electrochemical reduction of perchloroethylene in aqueous media: influence of the electrode material |
| Autores: |
Sáez Bernal, Verónica Esclapez Vicente, María Deseada Frías Ferrer, Ángel Bonete Ferrández, Pedro González García, José |
| Fecha: |
2009-02-05 2009-02-05 2008-02 2008 |
| Publicador: | RUA Docencia |
| Fuente: |
 |
| Tipo: | info:eu-repo/semantics/article |
| Tema: |
Perchloroethylene Electrochemistry Degradation Treatment Chlorinated compounds Química Física |
| Descripción: |
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. Generalidad Valenciana under Research Project GV05-104. |
| Idioma: | Inglés |
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