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F/M ratio is the equilibrium parameter for activated sludge systems . It is the balance between...

F/M ratio is the equilibrium parameter for activated sludge systems . It is the balance between food substrate and microorganisms.If the F/M of a 0.4380 m3/sec activated sludge plant is 0.2 mg/mg-d (inlet BOD 150 mg/l. sludge 2,200 mg/l) what is the required volume of the aeration tank? What can the plant operator do to maintained an acceptable F/M if the inlet volume increases by 20%?

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Answer #1

using given data and balance on mass we can find the aeratio tank volume and required BOD at increased inlet flow level

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