Table 4 Residual Concentration (RC), Removal Efficiency (RE) of Biochemical Oxygen Demand (BOD) in the Raw and Treated Oily Wastewater during the Batch Treatment.
From: Microbiological analysis and bioremediation bioassay for characterization of industrial effluent
Time (Days) | Control | R4 | R19 | Mixed Culture | ||||
|---|---|---|---|---|---|---|---|---|
RC | RE (%) | RC | RE (%) | RC | RE (%) | RC | RE (%) | |
0 | 648 mg/l | |||||||
1 | 342.9 | 47.08b | 605.7 | 6.53b | 612.9 | 5.42b | 503.1 | 22.36b |
2 | 143.1 | 77.92 | 416.7 | 35.69 | 432.0 | 33.33 | 383.4 | 40.83 |
3 | 138.6 | 78.61 | 358.2 | 44.72 | 377.1 | 41.81 | 369.0 | 43.06 |
4 | 105.3 | 83.75 | 193.5 | 70.14a | 274.5 | 57.64 | 292.5 | 54.86 |
5 | 91.8 | 85.83a | 250.2 | 61.39 | 311.4 | 51.94 | 171.0 | 73.61a |
7 | 127.8 | 80.28 | 231.3 | 64.31 | 234.9 | 63.75a | 215.1 | 66.81 |