Nadjib DROUICHE is a senior researcher at the Centre de Recherche en Semi-Conduceurs pour l’Energetique (ALgeria). He was also the head of the environmental team. His research interests include adsorption, membrane processes, electrochemical processes using sacrificial anodes, Advanced Oxidation Processes, and recovery of by-products from industrial waste. He has published more than 90 papers in ISI-ranked journals with more than 2500 citations and his h-index is 33. Dr. Drouiche was awarded TWAS-ARO YAS Prize 2012: "Sustainable Management of Water Resources in the Arab Region". Actually, he is on detachment at the Algerian Parliament and member of the commission of agriculture and environment.