- 4 The Saturation Dissolved Oxygen Concentration Of A Stream Is 9 1 Mg L At Sewage Outfall The Dissolved Oxygen Concen 1 (23.67 KiB) Viewed 38 times
4. The saturation dissolved oxygen concentration of a stream is 9.1 mg/L. At sewage outfall, the dissolved oxygen concen
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4. The saturation dissolved oxygen concentration of a stream is 9.1 mg/L. At sewage outfall, the dissolved oxygen concen
4. The saturation dissolved oxygen concentration of a stream is 9.1 mg/L. At sewage outfall, the dissolved oxygen concentration of the stream is 8 mg/L. The stream has a reaeration rate constant of 4/d and a deoxygenation rate constant of 0.1/d. The initial ultimate BOD in the mixing zone is 200 mg/L. What is the time after discharge at which the water will reach its minimum dissolved oxygen concentration? What is the minimum DO? Where (in km) will this be if the river velocity is 0.1 m/s. Also, estimate what the deficit would be at 10 km from the mixing zone.
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