Table 4 Mean values of MR organic matter at all HRT and OLR
Parameter | HRT in days | |||
|---|---|---|---|---|
12 | 9 | 6 | 3 | |
Influent TCOD (mg COD/L) | 4945 ± 24 | 4945 ± 24 | 4945 ± 24 | 4945 ± 24 |
Influent SCOD (mg COD/L) | 3430 ± 83 | 3430 ± 83 | 3430 ± 83 | 3430 ± 83 |
Influent BOD (mg COD/L) | 1175 ± 20 | 1175 ± 20 | 1175 ± 20 | 1175 ± 20 |
TS (mg/L) | 232 ± 18 | 260 ± 46 | 209 ± 31 | 439 ± 102 |
TSS (mg/L) | 88 ± 56 | 155 ± 102 | 35 ± 20 | 153 ± 112 |
VS (mg/L) | 140 ± 45 | 131 ± 37 | 89 ± 23 | 200 ± 18 |
Effluent TCOD (mg/L) | 1281 ± 12 | 1093 ± 29 | 919 ± 21 | 2059 ± 46 |
Effluent SCOD (mg/L) | 991 ± 65 | 679 ± 16 | 555 ± 11 | 1219 ± 17 |
Effluent BOD (mg/L) | 111 ± 45 | 137 ± 34 | 166 ± 51 | 200 ± 36 |
TCOD removed (mg/L) | 3663 | 3852 | 4026 | 2886 |
VS removed (mg/L) | 1759 | 1870 | 1828 | 1819 |
RE TS (%) | 82 | 80 | 84 | 66 |
RE TSS (%) | 84 | 73 | 94 | 73 |
RE VS (%) | 93 | 93 | 95 | 90 |
RE TCOD (%) | 74 | 78 | 81 | 66 |
RE SCOD (%) | 71 | 80 | 84 | 64 |
RE BOD (%) | 91 | 90 | 87 | 85 |