GATE CE 2023 Set 1 — Question 64

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NAT+2 / -0MediumASP Design (F/M, MLSS, SVI)Wastewater Treatment ProcessesEnvironmental Engineering

Environmental Engineering → Wastewater Treatment Processes → ASP Design (F/M, MLSS, SVI)

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The wastewater inflow to an activated sludge plant is 0.5 m3/s0.5\text{ m}^3/\text{s}, and the plant is to be operated with a food to microorganism ratio of 0.2 mg/mg-d0.2\text{ mg/mg-d}. The concentration of influent biodegradable organic matter of the wastewater to the plant (after primary settling) is 150 mg/L150\text{ mg/L}, and the mixed liquor volatile suspended solids concentration to be maintained in the plant is 2000 mg/L2000\text{ mg/L}. Assuming that complete removal of biodegradable organic matter in the tank, the volume of aeration tank (in m3\text{m}^3, in integer) required for the plant is _______.
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