Method and apparatus for pulsed timed control for sludge return line
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United States of America Patent
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Jun 29, 1982
Grant Date -
N/A
app pub date -
Dec 29, 1980
filing date -
Dec 29, 1980
priority date (Note) -
Expired
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Abstract
The present disclosure is directed to a method and apparatus for reducing eddy currents in a clarifier to restrict sludge from entering the clear water zone of the clarifier by periodically pulsing air to the sludge return line from the bottom of the clarifier to the top of the aeration chamber in a sewage treatment plant of both the land base and marine type.
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