Electrochemical destruction of methidathion by anodic oxidation using a boron-doped diamond electrode - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue International Scientific Journal for Alternative Energy and Ecology Année : 2007

Electrochemical destruction of methidathion by anodic oxidation using a boron-doped diamond electrode

Résumé

The degradation of insecticide methidathion (organophosphorous pesticide) in aqueous medium has been studied by anodic oxidation using a boron-doped diamond (BDD) anode. The results obtained show that the application of electrolysis of pesticide allows to reduce the chemical oxygen demand (COD). For 2 % NaCl and 3 % NaCl solutions the achieved reduction was 85 % and 72 % respectively. In all cases, the pH of electrolysis was significantly reduced after 45 min. The COD of methidathion solution was observed to fall with pseudo first-order kinetics. An increasing of applied current leads to an increase of the rate of electrochemical oxidation process. The effect of temperature shows that for 25 °C and 65 °C the achieved reduction was 85 % and 66 % respectively. The activation energy indicates that the process of electrochemical degradation is a complex one.
Fichier principal
Vignette du fichier
Hachami_9171.pdf (307.82 Ko) Télécharger le fichier
Origine Fichiers éditeurs autorisés sur une archive ouverte

Dates et versions

hal-03477738 , version 1 (13-12-2021)

Identifiants

  • HAL Id : hal-03477738 , version 1
  • OATAO : 9171

Citer

Fatima Hachami, Rachid Salghi, Mohammed Mihit, Lahcen Bazzi, Karine Groenen Serrano, et al.. Electrochemical destruction of methidathion by anodic oxidation using a boron-doped diamond electrode. International Scientific Journal for Alternative Energy and Ecology, 2007, pp.0. ⟨hal-03477738⟩
31 Consultations
8 Téléchargements

Partager

Gmail Mastodon Facebook X LinkedIn More