|
| Figure 4: The average log10 reduction of total and fecal coliforms as a function of hydraulic retention time for different ponds (anaerobic, Facultative and maturation).An-1; Anaerobic pond with HRT of 1 day, Fa-5; Facultative pond with HRT of 5 days, Ma-10; Maturation pond with HRT of 10 days. |
