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Head and energy requirements for the pumping of faecal sludge with different moisture contents after the addition of water into the pit.
| Parameters | Moisture content % |
||||
|---|---|---|---|---|---|
| 75 | 80 | 85 | 90 | 95 | |
| Water added (L) | 0 | 700 | 1867 | 4200 | 11,200 |
| Pit emptying time (min) | 11 | 15 | 21 | 34 | 73 |
| Head (m) | 537 | 84 | 16 | 3 | 1 |
| Power (W) | 22,000 | 3500 | 600 | 100 | 40 |
