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Engineering, 21.04.2020 16:30 xaxtusgod

The wastewater flowrate to the treatment plant is 0.42 m3/s, with a BOD5 concentration of 436 mg/L and suspended solids concentration of 238 mg/L. Design the primary clarifier (find dimensions) for an overflow rate of 42 m/d and detention time of 2 hr. The tanks have a rectangular configuration with a length to width ratio of 5. Assume 8 tanks working in parallel. Assume clarifiers are working well, estimate the 1o effluent BOD5 and SS concentrations.

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