Laboratoire d'Ecotoxicologie et Biotechnologie environnementale ERGS, Département de l'Environnement, Faculté des Sciences, Université de Kinshasa, RD Congo
This study focuses on the biological wastewater treatment for vegetable plots quality improvement. Based on planted wetland technology using vetiver grass, treated water quality was significantly improved at 95% performance. Toxic heavy metal and other pollutant loads were reduced. Chemical analyses revealed such improvement: pH, TOC, K, N, P, Cr VI, Cd, Pb were lowered. This simple, efficient and low-cost technology will be extended to two other sites in Matadi. Statistical analysis revealed significant differences between untreated and treated water pollutant loads.
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