Eichhornia crassipes Efficacy in Secondary Wastewater Treatment in the Western Highlands of Cameroon

Figure 8

Variation of color (means ± S.D) from the inflow to the outflows of the vegetated and control lagoons systems during the dry (a) and rainy (b) seasons (I inflow; Al: outflow of the anaerobic lagoon; FL 1: outflow of facultative lagoon 1; FL 2: outflow of facultative lagoon 2; ML: outflow of maturation lagoon).

(a)

(b)