FIELD: machine building.
SUBSTANCE: waste water treatment device comprises a flotator 2 and a bioreactor 14 consisting of two intercommunicated sections where the section being the first one downstream the waste water flow is a biological waste water treatment section 21 and the second section is a waste water filtration section 22 with a set of membranes 20. Sludge airlift output 16 is communicated with the flotator input, the air inlet of the airlift is communicated with one of the compressor 9 outputs, the free sludge airlift input is communicated with the bioreactor sludge output, the flotatot bottom is inclined to the bioreactor and bottom sediment pocket 13 located in the lower part of the flotator bottom.
EFFECT: simplified maintenance, faster waste water treatment due to the decreased number or absence of pipelines between the device elements.
2 cl, 1 dwg
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