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2. A step aeration plant is working under the following conditions: Influent sewage flow = 25,000 m3/d Aeration volume = 5,200 m3 Average influent BOD5

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2. A step aeration plant is working under the following conditions: Influent sewage flow = 25,000 m3/d Aeration volume = 5,200 m3 Average influent BOD5 = 140 mg/1 MLSS concentration = 2,800 mg/l Compute the following: (a) Detention time, (b) Volumetric organic loading, (c) BOD load, and (d) Sludge loading rate

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