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Physicochemical characteristics of sewage sludge.
| Sampling Points | pH | Eh | DM | OM | Moisture |
|---|---|---|---|---|---|
| mV | % | %DM | % | ||
| S1 | 7.4 | −175 | 0.6 | 83.3 | 99.4 |
| S2 | 5.4 | −350 | 6.5 | 78.5 | 97.5 |
| S3 | 7.4 | −188 | 0.9 | 77.8 | 99.1 |
| S4 | 7.1 | −177 | 7.1 | 70.4 | 92.8 |
| S5 | 5.7 | −273 | 5.4 | 75.9 | 94.6 |
| S6 | 6.7 | −343 | 3.4 | 61.8 | 96.6 |
| S7 | 7.4 | −272 | 20.3 | 64.0 | 79.7 |
