2. A WW plant has ww with 450 mg/L BOD (the soluble BOD is 250 mg/L) and 280 mg/L SS. biological tower treatment process consists of high-density, cross-flow packing media with dimensions of 480 sq ft by 20 ft high. The packing has a specific area of 42 sq ft/cubic ft, n = and k20 =0.0035 (gpm/sq ft)05. The primary clarifier effluent is 0.8 mgd at 18°C. The recirculation ration is 1.0. Calculate the effluent soluble BOD at 20°C, then correct the calculation for actual temperature. Calculate the soluble and total effluent BOD assuming th. the effluent has 0.54 soluble BOD/total BOD.
2. A WW plant has ww with 450 mg/L BOD (the soluble BOD is 250 mg/L) and 280 mg/L SS. biological tower treatment process consists of high-density, cross-flow packing media with dimensions of 480 sq ft by 20 ft high. The packing has a specific area of 42 sq ft/cubic ft, n = and k20 =0.0035 (gpm/sq ft)05. The primary clarifier effluent is 0.8 mgd at 18°C. The recirculation ration is 1.0. Calculate the effluent soluble BOD at 20°C, then correct the calculation for actual temperature. Calculate the soluble and total effluent BOD assuming th. the effluent has 0.54 soluble BOD/total BOD.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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