FIELD: waste water treatment. SUBSTANCE: invention relates to biological treatment of industrial, domestic, and agricultural waste waters. Apparatus for aeration of liquid contains tank enclosing hydraulic lifter in the form of vortex pump with its suction pipe connected to compressed air source and discharge pipeline connected to casing. In windows of the casing, nozzles are mounted at different height oriented in horizontal and vertical planes, the latter possessing branch pipes with spheres filled with sand to 2/3 their volume. Inside floater, container is disposed communicating through flexible pipes with atmosphere and hydraulic lifter mounted in discharge pipeline. EFFECT: enhanced aeration process. 3 dwg
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|
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