A completely mixed activated sludge plant treats wastewater at a rate of 2,565 m³/d. The influent BOD is 280 mg/L, and the MLVSS in the aeration tank is 2,500 mg/L. The F/M ratio for the aeration tank is 0.35 kg BOD/kg MLVSS.d. Assuming 30% of BOD is removed in the primary tank, determine the organic loading rate in kg BOD/m³.d and the volume of the aeration tank in m³.
A completely mixed activated sludge plant treats wastewater at a rate of 2,565 m³/d. The influent BOD is 280 mg/L, and the MLVSS in the aeration tank is 2,500 mg/L. The F/M ratio for the aeration tank is 0.35 kg BOD/kg MLVSS.d. Assuming 30% of BOD is removed in the primary tank, determine the organic loading rate in kg BOD/m³.d and the volume of the aeration tank in m³.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A completely mixed activated sludge plant treats wastewater at a rate of 2,565 m³/d. The
influent BOD is 280 mg/L, and the MLVSS in the aeration tank is 2,500 mg/L. The F/M
ratio for the aeration tank is 0.35 kg BOD/kg MLVSS.d. Assuming 30% of BOD is
removed in the primary tank, determine the organic loading rate in kg BOD/m³.d and the
volume of the aeration tank in m³.
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