Case Study

Replacing Brush Rotors With Aire-O2 Tritons® Increases Flow Capacity And Reclaimed Water Availability

Middlebury_Case Study_May2019-1

In 2012, the Middlebury, Indiana Wastewater Treatment Plant (WWTP) was faced with aging brush rotors and higher loads in their oxidation ditch system. When Mick Reese was hired as Plant Superintendent, the upgrade design was about 90% complete. The full system upgrade included adding an outer ring to the existing oxidation oval, construction of a new clarifier, controls building, and a sludge processing system. The plant upgrade also included a PLC based aeration control system capable of reducing energy consumption by maintaining an optimal DO level.

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