Method and apparatus for pulsed timed control for sludge return

Details Method and apparatus for pulsed timed control for sludge return Method and apparatus for pulsed timed control for sludge return

1980-12-29

1982-06-29

Adee, John

Liquid purification or separation

With time control

Of additional fluid

2101953, 2102212, C01C 126

Patent

active

043371515

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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patent: 3522881 (1970-08-01), Nicol
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patent: 3992299 (1976-11-01), Wray
patent: 4036754 (1977-07-01), Peasley

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