| 摘要 |
This system (18) comprises a holding and separating tank (36), an inlet (38) for moving untreated waste water into the holding tank (36), and a bubble generator (32), able to introduce a quantity of bubbles into the waste water of the holding tank (36), in order to form, in a lower region (50) of the holding tank (36), a treated water and, in an upper region (52) of the holding tank (36), a supernatant. The system (18) comprises a lower outlet (40) for recovering a treated water from the holding tank (36) and an upper outlet (42) for discharging a foamy supernatant from the holding tank (36). The system (18) is devoid of means for injecting a compound for flocculating and/or coagulating the waste water, at least upstream from the holding tank (36). |
