Determine the BOD of the waste water from candy manufacturing based on the following data. The seed was settled, aged, domestic wastewater.
Wastewater Portion (ml) | Seed Portion (ml) | Initial DO (mg/l) | 5- day DO (mg/l) |
Bottles tested for initial dissolved oxygen | |||
5.0 | 1.5 | 8.8 |
|
6.0 | 1.5 | 8.7 |
|
7.0 | 1.5 | 9.0 |
|
Tests for determinining the BOD of the seed | |||
15 | 0 |
| 5.4 |
15 | 0 |
| 5.5 |
15 | 0 |
| 5.7 |
Tests for determinining the BOD of the wastewater | |||
8.0 | 1.5 |
| 0.5 |
8.0 | 1.5 |
| 0.8 |
8.0 | 1.5 |
| 0.4 |
6.0 | 1.5 |
| 3.1 |
6.0 | 1.5 |
| 2.9 |
6.0 | 1.5 |
| 2.9 |
4.0 | 1.5 |
| 4.6 |
4.0 | 1.5 |
| 4.5 |
4.0 | 1.5 |
| 4.8 |
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