Table 2 COD to N ratios in influent and effluent of SMBR (phenol as carbon source)
From: Wastewaters treatment containing phenol and ammonium using aerobic submerged membrane bioreactor
Influent | Consumed | ||||
|---|---|---|---|---|---|
COD:N ratio | COD (mg L−1) | Phenol (mg L−1) | NH4 (mg L−1) | NH4 (mg L−1) | COD/NH4 ratio |
20 | 250 | 100 | 15 | 12 | 20.8 |
20 | 450 | 200 | 22.5 | 19.5 | 23.1 |
20 | 700 | 300 | 35 | 28 | 25 |
20 | 950 | 400 | 47 | 37 | 25.7 |
20 | 1190 | 500 | 59 | 43 | 27.7 |
20 | 2380 | 1000 | 118 | 46 | 51.7 |
50 | 2380 | 1000 | 48 | 45 | 52.9 |