Biography of Professor: Abdennaceur HASSEN Currently, he is Professor, Expert and Senior Researcher at the Center of Research and Water Technologies, CERTE, Science and Technology Park of Borj-Cedria, University Tunis El Manar, Tunisia. His international experience includes various programs, contributions and participation in different countries in various fields of study. His research interests are reflected in his many publications in several internal and international scientific journals. He is a member of the editorial board of some scientific journals and various associations. Research Interests: Water Economics, Environmental Hydrology, Microbiology, Environmental and Molecular Ecology, Ecotoxicology, Water Treatment and Filtration Process. Modeling, Certification, Standardization