1. Laboratory of Water Treatment and Valorization of Industrial Wastes, Badji-Mokhtar University, Annaba, Algeria;
2. Higher School of Technological Education, ENSET, Skikda, Algeria;
3. Centre de Recherche Scientifique et Technique en Analyses Physico-Chimiques (CRAPC), Tipaza, Algeria;
4. CMCB, CNRS, Université de Bordeaux, Pessac, France