Study of the purification performance of anaerobic basins at the Oujda WWTP

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The study focuses on evaluating the treatment quality of wastewater at the Oujda WWTP, specifically analyzing the effectiveness of anaerobic basins in removing organic pollutants and pathogens. Through physico-chemical analysis and fecal contamination indicators at seven sampling points, the research demonstrates significant reductions in BOD, COD, and TSS, meeting established standards. The anaerobic tanks exhibit a purification efficiency of 49% for suspended solids and 30% for biochemical oxygen demand and chemical oxygen demand, highlighting their role in wastewater management.