Sewage treatment apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 9, 1994
Grant Date -
N/A
app pub date -
Jun 29, 1992
filing date -
Jul 18, 1991
priority date (Note) -
Expired
status (Latency Note)
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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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