Improving biodegradability of soil washing effluents using 1 anodic oxidation 2 3 María Belén Carboneras, Pablo Cañizares, Manuel Andrés Rodrigo, José Villaseñor and 4 Francisco Jesus Fernandez-Morales * 5 University of Castilla-La Mancha, ITQUIMA, Chemical Engineering Department, 6 Avenida Camilo José Cela S/N. 13071 Ciudad Real, Spain. 7 8 9 10 11 * Corresponding author: Francisco Jesús Fernández Morales 12 University of Castilla-La Mancha, ITQUIMA, Chemical Engineering Dept., Avda. Camilo 13 José Cela S/N 13071, Ciudad Real, Spain. 14 Tel: 0034 926 295300 (ext. 6350), Fax: 0034 926 295242. 15 E-mail: fcojesus.fmorales@uclm.es 16 17