FIELD: water-supply.
SUBSTANCE: invention relates to natural water purification and sewage water afterpurification. The proposed bio-reactor-filter consists of a bio-reactor and filter with floating filter media. Bio-reactor 1 comprises baffle 10 with air discharge device 11, fibrous nozzle 5, spraying screens 12. The top distributing system represents a horizontal manifold with distributing chamber 7 and tubes 8 furnished with jet-forming nozzles 9 with outlet holes directed upward and radially connected to the said chamber. Bio-reactor 1 comprises also air suction openings 2 provided with tapered air ducts 3. Guide element 4 is designed to uniformly feed water to aforesaid fibrous nozzle after spraying. The filter comprising large-grain-size 14 and fine-grain-size 15 filter media holders. The filter casing represents two cylindrical-tapers various-diametre parts.
EFFECT: improved purification, reduced rinsing water volumes, smaller sizes and lower operating costs.
7 cl, 2 dwg
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