te is 2500 m3/day with a soluble BOD5 of 250 mg/L. The average wastewater temperature is 16 oC. Direct recirculation is practiced at 1:1 ra
te is 2500 m3/day with a soluble BOD5 of 250 mg/L. The average wastewater temperature is 16 oC. Direct recirculation is practiced at 1:1 ra
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A plastic media biotower has vertical flow packing with n = 0.5 and k20 of 0.045
min-1. The tower is cylindrical with a diameter of 10 m. Depth of packing medium is 6 m.
Primary effluent flow rate is 2500 m3/day with a soluble BOD5 of 250 mg/L. The average wastewater temperature is 16 oC. Direct recirculation is practiced at 1:1 ratio.
Calculate the following:
a. Organic loading rate of the biotower
b. Hydraulic loading rate of the biotower
c. Recirculation ratio
d. Effluent soluble BOD5 concentration
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