Dr. Abdelkader Anouzla received his Ph.D. in Science & Technology at Hassan II University -Faculty of Science and Technology Mohammedia, specializing in water treatment. Dr. Abdelkader ANOUZLA has published almost 60 peer-reviewed articles and four books. As well as being an invited guest speaker at several conferences, he has also published numerous proceedings. He has experience in the areas of Water and wastewater, Solid Waste Management, Environmental Chemistry, Pollutants in soil, study and characterization of waste, and recycling and reuse of waste to produce new materials, air Pollution.Prof. Salah Souabi PHD water and waste treatment works at the Hassan II University in Mohammedia, the Laboratory of Process and Environmental Engineering of Morocco's Faculty of Science and Technology. Prof. Souabi is responsible for a research team on managing liquid and solid discharges, with 152 articles published in international journals and 22 book chapters. He is the publisher of three books. Salah conducts research in water and waste treatment, optimization of treatment conditions of wastewater treatment plants, treatment of leachate discharges, sorting of solid waste, management of technical landfills, operation of wastewater treatment plants, composting of solid waste and sludge from wastewater treatment plants using composts in agroecology.