A wastewater treatment plant has four primary clarifers, each with diameter of 15 m and side water depth of 4 m. The average daily fow is 24,000 m3/d. The effuent weir is located on the periphery of each tank. Calculate the surface overfow rate, detention time, and weir loading rates. If one tank is taken out of service for maintenance, what happens to the overfow rate and detention time? Is the design adequate for the average fow with the three tanks in service?
A wastewater treatment plant has four primary clarifers, each with diameter of 15 m and side water depth of 4 m. The average daily fow is 24,000 m3/d. The effuent weir is located on the periphery of each tank. Calculate the surface overfow rate, detention time, and weir loading rates. If one tank is taken out of service for maintenance, what happens to the overfow rate and detention time? Is the design adequate for the average fow with the three tanks in service?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A wastewater treatment plant has four primary clarifers, each
with diameter of 15 m and side water depth of 4 m. The average daily fow is 24,000 m3/d. The effuent weir is located on
the periphery of each tank. Calculate the surface overfow rate,
detention time, and weir loading rates. If one tank is taken out of
service for maintenance, what happens to the overfow rate and
detention time? Is the design adequate for the average fow with
the three tanks in service?
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