The design flow for a water treatment plant (WTP) is 3.8x103 m/d. The rapid mixing tank...

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The design flow for a water treatment plant (WTP) is 3.8x103 m³/d. The rapid mixing tank will have a mechanical mixer and the average alum dosage will be 30 mg/L. The theoretical mean hydraulic detention time of the tank will be 1 minute. Determine the following: a) the quantity of alum needed on a daily basis in kg/d, b) the dimensions of the tank in meters for a tank with equal length, width, and depth, c) the power input required for a G of 900 sec1 for a water temperature of 10 °C (u=1.307 x103 kg/m.s), express the answer in kW G. = P μν The design flow for a water treatment plant (WTP) is 3.8x103 m³/d. The rapid mixing tank will have a mechanical mixer and the average alum dosage will be 30 mg/L. The theoretical mean hydraulic detention time of the tank will be 1 minute. Determine the following: a) the quantity of alum needed on a daily basis in kg/d, b) the dimensions of the tank in meters for a tank with equal length, width, and depth, c) the power input required for a G of 900 sec1 for a water temperature of 10 °C (u=1.307 x103 kg/m.s), express the answer in kW G. = P μν

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