| 摘要 |
The invention concerns an installation for treating pre-coagulated water comprising, in succession: at least a flocculation zone (1, 6) provided with means supplying coagulated water (2), means supplying at least a flocculant reagent (3), means supplying at least a granular material denser than water (4) and stirring means (5, 7); and at least a clarification chamber (8) provided with a sludge recuperating and evacuating zone (9), means for evacuating (10) clarified water and overflow means (19) for evacuating the supernatant. The invention is characterised in that the clarification chamber (8) is provided with at least a sieve or at least a filtering membrane (11). |
