Sewage treatment apparatus

Details Sewage treatment apparatus Sewage treatment apparatus

1992-06-29

1994-08-09

Lithgow, Thomas M.

Liquid purification or separation

Recirculation

2101953, 210197, 210256, 210262, 210294, 210259, 210205, 210534, 261DIG75, B01D 2102, C02F 312

Patent

active

053364023

ABSTRACT:
Disclosed is a sewage treatment apparatus formed of an aeration chamber; and a settling chamber, into which aerated water is introduced from the aeration chamber for sedimentation of sludges. In this apparatus, the settling chamber is disposed upwardly of the aeration chamber. A bottom portion of the settling chamber serves as a hopper unit having a surface tapered downwards to an opening for discharging the sludges. A washing water supply unit for flowing out the washing water for washing away the deposited sludges is provided towards the hopper unit.

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