Table 1 Wastewater characterization and discharge limits.

From: Evaluating the efficiency of vetiver grass (Vetiveria zizanoides) for municipal wastewater treatment in Bahir Dar City, Ethiopia

Parameters

Untreated (mg/L)

Discharge Limit (mg/L)

BOD

224.6 ± 8.9

30

COD

300.7 ± 11.2

250

TN

56.3 ± 2

10

TP

22.1 ± 0.5

2

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