IWRA World Water Congress 2025 Marrakech Morocco
Water Quality and One Health Opportunities
Author(s): Omar Taoussi, Hassan Ba-Haddoua, Yacine Oubelkacema Abdelmajid El Bakkalia, Mustapha Haddada, Hubert Cabana, Saadia Ait Lyazidia
Omar Taoussi (a b), Hassan Ba-Haddoua (a), Yacine Oubelkacema (a), Abdelmajid El Bakkalia (a), Mustapha Haddada (a), Hubert Cabana (b), Saadia Ait Lyazidia (a)
a. LASMAR, URL-CNRST N7, Faculté des sciences, University of Moulay Ismail, Morocco
b. Laboratoire de génie de l'environnement, Département de génie civil et de génie du bâtiment Université de Sherbrooke, Québec
Poster: PDFAbstractWastewater treatment plants (WWTPs) are essential for removing dissolved organic matter (DOM) before treated water is discharged into natural environments. In Morocco, natural lagooning and activated sludge are the most widely used treatment processes, operating through different biological mechanisms. As a result, they may produce effluents with distinct DOM signatures and varying proportions of recalcitrant fractions. Optical techniques such as UV–Vis absorption and 3D fluorescence (EEM), combined with chemometric tools (PARAFAC), offer powerful approaches to characterize DOM composition and transformation pathways in treated wastewater.