A dog food processing plant generates 0.015 m3/s of wastewater, which is treated using an activated sludge plant. The discharge permit allows 30 mg/L BOD5 in the effluent. The average BOD5 of the raw wastewater before primary settling is 1,400 mg/L. The primary settler removes 35% of the BOD5. The aeration tank is 200 m3 in size. The mixed liquor has a concentration of 2,000 mg/L. The yield coefficient is 0.50 mg MLVSS/mg BOD5 and kd = 0.06 d-1. Determine: The aeration period (hr) F/M ratio (mg BOD5/(mg MLVSS*d) Solids retention time (d)
A dog food processing plant generates 0.015 m3/s of wastewater, which is treated using an activated sludge plant. The discharge permit allows 30 mg/L BOD5 in the effluent. The average BOD5 of the raw wastewater before primary settling is 1,400 mg/L. The primary settler removes 35% of the BOD5. The aeration tank is 200 m3 in size. The mixed liquor has a concentration of 2,000 mg/L. The yield coefficient is 0.50 mg MLVSS/mg BOD5 and kd = 0.06 d-1. Determine: The aeration period (hr) F/M ratio (mg BOD5/(mg MLVSS*d) Solids retention time (d)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A dog food processing plant generates 0.015 m3/s of wastewater, which is treated using an activated sludge plant. The discharge permit allows 30 mg/L BOD5 in the effluent. The average BOD5 of the raw wastewater before primary settling is 1,400 mg/L. The primary settler removes 35% of the BOD5. The aeration tank is 200 m3 in size. The mixed liquor has a concentration of 2,000 mg/L. The yield coefficient is 0.50 mg MLVSS/mg BOD5 and kd = 0.06 d-1. Determine:
- The aeration period (hr)
- F/M ratio (mg BOD5/(mg MLVSS*d)
- Solids retention time (d)
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