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Problem 5 A primary effluent with Q- 1.0 MGD, BODs 138 mg/, and SS - 104...
Calculate BOD loading, hydraulic loading, BOD removal efficiency, and effluent BOD concentration for a single-stage trickling...
Calculate BOD loading, hydraulic loading, BOD removal efficiency, and effluent BOD concentration for a single-stage trickling filter based on the following data: Average raw wastewater flow = 500 gpm Recirculation ration = 0.3 Primary effluent = 150 mg/L Diameter of filter = 20 meter Depth of media = 3 meter Wastewater temperature = 22 °C
It is required that a wastewater flow of 2 MGD with a strength of 300 mg/L...
It is required that a wastewater flow of 2 MGD with a strength of 300 mg/L BOD5 be treated to remove 90% of the BOD5. To achieve this, a 25-ft deep filter will be constructed and plastic media will be used. A treatability study has shown that n = 0.5 and K= 0.05 min-1 at 20⁰C. If the critical wastewater temperature is expected to be 10⁰C, what size filter should be required? Recirculation will not be used. Use Excel and...
Situation (note: Problem 2 is not linked with Problem 1): Assuming the design flow rate of...
Situation (note: Problem 2 is not linked with Problem 1): Assuming the design flow rate of raw wastewater to be treated is 20 MGD in the design year, the dissolved BODs is 380 mg/L, and SS is 360 mg/L. The wastewater generated by the sludge treatment process is about 4 MGD with the dissolved BODs being 1800 mg/L, and SS being 1200 mg/L, and will be returned to the wet well in the pumping station at the beginning of the...
Calculate BOD loading, hydraulic loading, BOD removal efficiency, and effluent BOD concentration for a single-stage trickling filter based on the following data: Average raw wastewater flow = 500 gpm Recirculation ration = 0.3 Primary effluent = 150 mg/L Diameter of filter = 20 meter Depth of media = 3 meter Wastewater temperature = 22 °C
Situation (note: Problem 2 is not linked with Problem 1): Assuming the design flow rate of raw wastewater to be treated is 20 MGD in the design year, the dissolved BODs is 380 mg/L, and SS is 360 mg/L. The wastewater generated by the sludge treatment process is about 4 MGD with the dissolved BODs being 1800 mg/L, and SS being 1200 mg/L, and will be returned to the wet well in the pumping station at the beginning of the...
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