Consider the following average operating data for conventional activated sludge treatment plant at Kozhikode.Waste water flow = 35000 m3/dayVolume of aeration tank = 10,900 m3Influent BOD = 250 mg/litEffluent BOD = 20 mg/litFind out the aeration period.

Consider the following average operating data for conventional activated sludge treatment plant at K….

Tagged: civil-engineering, Graduate Engineering, IES-ESE, IES-ESE (Engineering Services Examination)

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04/30/2019 at 6:26 am #725496 Reply
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Consider the following average operating data for conventional activated sludge treatment plant at Kozhikode.Waste water flow = 35000 m³/day
Volume of aeration tank = 10,900 m³
Influent BOD = 250 mg/lit
Effluent BOD = 20 mg/lit
Find out the aeration period.
Options :-
1. 750 hrs
2. 7.5 hrs
3. 0.75 hrs
4. 7.5 days
Answer/ Explanation
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