Question
A plastic media bio tower has vertical flow packing with n = 0.5 and k20 of 0.045 min1. The tower is cylindrical with a diameter
A plastic media bio tower 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. The primary effluent flow rate is 2500 m3/d with a soluble BOD5 of 250 mg/L. The average wastewater temperature is 16°C. Direct recirculation is practiced at a 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
A plastic media bio tower 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. The primary effluent flow rate is 2500 m3/d with a soluble BOD5 of 250 mg/L. The average wastewater temperature is 16°C. Direct recirculation is practiced at a 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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Principles of heat transfer
Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn
7th Edition
495667706, 978-0495667704
