20. A sewage treatment plant is designed to treat sewage from a population of 25,000 PE. (i) (ii) Determine the peak flow rate (in m³/d) generated by the population Determine the minimum diameter required for a primary clarifier considering the minimum surface overflow rate of 45 m²/m²/d at peak flow Based on your answer in (ii), calculate the surface overflow rate (m³/m²/d) during average flow (iii) (iv) If the BOD influent rate is 60 g/cap/d, and the primary clarifier efficiency is 65%, determine the BOD effluent from the clarifier in mg/L
20. A sewage treatment plant is designed to treat sewage from a population of 25,000 PE. (i) (ii) Determine the peak flow rate (in m³/d) generated by the population Determine the minimum diameter required for a primary clarifier considering the minimum surface overflow rate of 45 m²/m²/d at peak flow Based on your answer in (ii), calculate the surface overflow rate (m³/m²/d) during average flow (iii) (iv) If the BOD influent rate is 60 g/cap/d, and the primary clarifier efficiency is 65%, determine the BOD effluent from the clarifier in mg/L
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
please Solve only III and IV
![20. A sewage treatment plant is designed to treat sewage from a population of 25,000
PE.
(i)
(ii)
3
Determine the peak flow rate (in m³/d) generated by the population
Determine the minimum diameter required for a primary clarifier
considering the minimum surface overflow rate of 45 m³/m²/d at peak flow
Based on your answer in (ii), calculate the surface overflow rate (m³/m²/d)
during average flow
(iii)
(iv)
If the BOD influent rate is 60 g/cap/d, and the primary clarifier efficiency is
65%, determine the BOD effluent from the clarifier in mg/L](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb6b168ae-feb0-4925-9da5-7d20e99ffc8b%2Fe6194c38-4ed8-46a8-ac1b-b740f31cdba3%2Fnn3zoo9h_processed.png&w=3840&q=75)
Transcribed Image Text:20. A sewage treatment plant is designed to treat sewage from a population of 25,000
PE.
(i)
(ii)
3
Determine the peak flow rate (in m³/d) generated by the population
Determine the minimum diameter required for a primary clarifier
considering the minimum surface overflow rate of 45 m³/m²/d at peak flow
Based on your answer in (ii), calculate the surface overflow rate (m³/m²/d)
during average flow
(iii)
(iv)
If the BOD influent rate is 60 g/cap/d, and the primary clarifier efficiency is
65%, determine the BOD effluent from the clarifier in mg/L
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