Systems and methods for treating air chambers in aeration...

Plastic and nonmetallic article shaping or treating: processes – Repairing or restoring consumer used articles for reuse – Inorganic material containing articles

Reexamination Certificate

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C137S015080

Reexamination Certificate

active

07837906

ABSTRACT:
An air plenum tank comprising a plurality of outlets aerate and agitate wastewater in a liquid treatment facility through the use of high pressured air creating cracks on the floor of the air plenum tank. Advantageously, the cracks are sealed using a system and method comprising isolating and positively pressurizing the air plenum tank and then sealing the tank using a sealant compound.

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