Aeration Tanks

Secondary treatment at the Glens Falls plant utilizes the activated sludge process, which is a biological contact process. The aeration tanks (to the right of the picture) are designed to allow Conventional, Incremental Feed, Step Aeration, and Contact Stabilization operation modes. There are two aeration units at the plant. Each of these units contains three tanks that are 90 feet wide by 143 feet long by 18.5 feet deep.

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