Hydraulic overloading and the need to meet dissolved oxygen (DO) requirements were constant concerns at the Lockport (Ill.) Wastewater Treatment Plant. Its ammonia nitrogen limit was 15 mg/l discharging into Deep Run Creek, and superintendent Joe Findlay had trouble keeping it...
More Control, Less Energy
An Illinois wastewater treatment plant uses a blower control system to end concerns about effluent DO and ammonia levels while saving on electricity
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