FIELD: treatment of water.
SUBSTANCE: invention relates to the treatment of household waste water. Apparatus for mechanical and biological treatment of household waste water includes a body with a bottom in the form of a side surface and a small base of an inverted truncated cone, containing water supply and discharge branch pipes, an anaerobic chamber, an aerobic bioreactor, an active sludge circulation airlift, a clean water collection compartment. The aerobic bioreactor is located inside an anaerobic chamber with proportional geometric dimensions of the body of the apparatus and the inner body. The inclined tubular gravity filters are configured for upward penetration of partially clarified effluents into the inner cone divided into two parts by means of a perforated permeable divider coated with a polymer mesh. Fine bubble aeration aerators are located in the upper part of the inner con, creating an aeration bioreactor with floating polymer biological load. The airlift pumps the active sludge from the lower part of the inner body into the external anaerobic chamber. A damping filter with a porous filter located therein is installed at the outgoing flow of purified effluents from the aeration bioreactor.
EFFECT: increase in the efficiency of purification of household waste water.
2 cl, 1 dwg
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Authors
Dates
2022-04-04—Published
2021-02-09—Filed