Figure 4. Nitrite and nitrate content of effluent before and after treatment compared to standard

From

Evaluation of the Efficiency of Hospital Wastewater Treatment Systems and Stations in the Atlantic and Littoral Departments of Benin

Fossou S. Arlette R, Mèdoatinsa Seindé Espérance, Agbangnan Dossa C. Pascal, Azonhe Thierry, Wotto Valentin D.

American Journal of Environmental Protection. 2024, 12(4), 48-54 doi:10.12691/env-12-4-1