Activated Sludge Aeration System Evaluation Client: City of Wyoming Location: Wyoming, Michigan With the goal of identifying energy-saving improvements, Donohue evaluated the existing activated sludge aeration system at the Wyoming Clean Water Plant (CWP), which has an average design capacity of 22 mgd, and is operated by the City of Wyoming. Three key areas for aeration efficiency improvements were identified: diffuser equipment, blower equipment, and process control upgrades. Diffusers: The initial data evaluation indicated reduced oxygen transfer efficiency in the aeration system. A field diffuser investigation was performed by Redmon Engineering to identify specific contributions to the reduced oxygen transfer efficiency, so that corrective actions could be determined and considered. T

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