Figures index

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
  • Figure 1. BOD5 values before and after wastewater treatment
  • Figure 2. Effect of treatment on COD of samples
  • Figure 3. Effect of treatment on total nitrogen in waste water
  • Figure 4. Nitrite and nitrate content of effluent before and after treatment compared to standard
  • Figure 5. Phosphorus levels before and after treatment