Original Paper

Journal of Applied Electrochemistry

, Volume 38, Issue 1, pp 7-16

Kinetic modelling of the electrochemical mineralization of organic pollutants for wastewater treatment

  • Agnieszka KapałkaAffiliated withInstitute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL) Email author 
  • , György FótiAffiliated withInstitute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL)
  • , Christos ComninellisAffiliated withInstitute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL) Email author 

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Abstract

The electrochemical mineralization of organic pollutants is a new technology for treatment of dilute wastewater (COD < 5 g L−1). In this method, use of the electrical energy can produce complete oxidation of pollutants on high oxidation power anodes. An ideal anode for this type of treatment is a boron-doped diamond electrode (BDD) characterized by a high reactivity towards oxidation of organics. In the present work kinetic aspects of organic mineralization is discussed. The proposed theoretical kinetic model on boron-doped diamond anodes is in excellent agreement with experimental results. In addition economic aspects of electrochemical organic mineralization are reported.

Keywords

Boron-doped diamond electrode Electrochemical mineralization Organic pollutants Wastewater Kinetic model