27. An EA STP receives 2500 m³ of sewage daily with a BOD concentration of 300 mg/L. The design F/M ratio is 0.075 kg BOD/kg MLSS.day. The MLSS concentration is 5000 mg/L and the SRT is designed for 30 days. (i) (ii) Calculate the volume of reactor. Determine the volumetric loading Check the HRT (iii) (iv) Calculate the amount of sludge wasted per day.

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Chapter2: Loads On Structures
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Wasterwater Engineering Civil engineering 

27. An EA STP receives 2500 m³ of sewage daily with a BOD concentration of 300
mg/L. The design F/M ratio is 0.075 kg BOD/kg MLSS.day. The MLSS
concentration is 5000 mg/L and the SRT is designed for 30 days.
(i)
Calculate the volume of reactor.
(ii)
Determine the volumetric loading
Check the HRT
(iii)
(iv) Calculate the amount of sludge wasted
per day.
Transcribed Image Text:27. An EA STP receives 2500 m³ of sewage daily with a BOD concentration of 300 mg/L. The design F/M ratio is 0.075 kg BOD/kg MLSS.day. The MLSS concentration is 5000 mg/L and the SRT is designed for 30 days. (i) Calculate the volume of reactor. (ii) Determine the volumetric loading Check the HRT (iii) (iv) Calculate the amount of sludge wasted per day.
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