Electro-Fenton, UVA photoelectro-Fenton and solar photoelectro-Fenton degradation of the drug ibuprofen in acid aqueous medium using platinum and boron-doped diamond anodes

The degradation of a 41 mg dm−3 ibuprofen solution of pH 3.0 has been comparatively studied by electrochemical advanced oxidation processes like electro-Fenton, UVA photoelectro-Fenton and solar photoelectro-Fenton at constant current density

Marcel Skoumal; Rosa María Rodríguez; Pere Lluís Cabot; Francesc Centellas; José Antonio Garrido; Conchita Arias; Enric Brillas

2008

Scholarcy highlights

  • The degradation of a 41 mg dm−3 ibuprofen solution of pH 3.0 has been comparatively studied by electrochemical advanced oxidation processes like electro-Fenton, UVA photoelectro-Fenton and solar photoelectro-Fenton at constant current density
  • Experiments were performed in a one-compartment cell with a Pt or boron-doped diamond anode and an O2-diffusion cathode
  • Higher mineralization is attained in all methods using BDD instead Pt, because the former produces greater quantity of OH enhancing the oxidation of pollutants
  • The ibuprofen decay always follows a pseudo-first-order kinetics and its destruction rate is limited by current density and UV intensity
  • Oxalic acid is the ultimate by-product and the fast photodecarboxylation of its complexes with Fe(III) under UVA or solar irradiation explains the higher oxidation power of photoelectro-Fenton methods in comparison to electro-Fenton procedures

Need more features? Save interactive summary cards to your Scholarcy Library.