g 2000 m3/d flow from a dairy industry is treated in an activated sludge plant. The BOD5 is 300 mg/L, and most of it is in soluble form. Calculate (a) the volume of aeration basin, (b) aeration period, (c) return sludge, (d) volume of waste activated sludge at sp. gr. of 1.025, food-to-MO ratio, and oxygen requirement. Use the following dа ta:

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7 February, 12:18

g 2000 m3/d flow from a dairy industry is treated in an activated sludge plant. The BOD5 is 300 mg/L, and most of it is in soluble form. Calculate (a) the volume of aeration basin, (b) aeration period, (c) return sludge, (d) volume of waste activated sludge at sp. gr. of 1.025, food-to-MO ratio, and oxygen requirement. Use the following dа ta:

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Damon Norman · Answer 1

a) Volume of acceleration is 758 m³

b) Aeration Period is 0.379 day

c) Return flow is 585.64 m³/d

d) Volume of waste activated is 0.207 m³/d

e) F/M = 0.283