NOVEL FACILITY FOR TREATING WASTE WATER
The present invention relates to a facility for treating waste water of municipal or industrial origin, in particular a facility for primary treatment of said water, comprising a biological contact tank (1) equipped with biological rotating discs (8), which is connected upstream of a ballasted-floc...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present invention relates to a facility for treating waste water of municipal or industrial origin, in particular a facility for primary treatment of said water, comprising a biological contact tank (1) equipped with biological rotating discs (8), which is connected upstream of a ballasted-floc physiochemical decanter (2), said decanter being at least made up of a coagulation zone (3), a flocculation zone (4), a lamellar decanting zone (5) and a thickening zone (6) and an external circuit (7) allowing the recirculation of the sludge thickened in the thickening zone (6) to the flocculation zone (4) and said biological contact tank (1). |
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