Engineering, 25.11.2021 14:00 uwunuzzles
A municipal WW activated sludge facility has the following characteristics: Flow = 7.2 million liters per day Influent BOD5 = 200 mg/L Aeration basin volume = 3,000m^3 2 circular clarifiers (each with diameter = 20m and depth =4m) Return activated sludge flow rate = 3.5 million liters per day per clarifier MLVSS concentration = 3,500 mg/L Effluent VSS is negligable Sludge VSS concentration = 6,800 mg/L.
Required:
Determine the daily volume of sludge in liters per day (L/day) that must be removed to maintain a solids residence time of 5 days.
Answers: 1
Another question on Engineering
Engineering, 03.07.2019 14:10
Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
Answers: 1
Engineering, 04.07.2019 18:20
Have a greater impact on maintenance productivity than any other support group. (clo5) a)-the top management b)-inventory and purchasing c)-sub-contracting d)-cmms
Answers: 2
Engineering, 04.07.2019 18:20
Avolume of 2.65 m3 of air in a rigid, insulated container fitted with a paddle wheel is initially at 264 k, 5.6 bar. the air receives 432 kj by work from the paddle wheel. assuming the ideal gas model with cv = 0.71 kj/kg • k, determine for the air the amount of entropy produced, in kj/k
Answers: 2
Engineering, 04.07.2019 19:10
Asteam is contained in a rigid tank with a volume of 1 m3. initially, the pressure and temperature are 7 bar and 500 oc, respectively. the temperature drops due to cooling process. determine: (1) the temperature at which condensation begins in °c, (2) the fraction of the total mass that has condensed when the pressure decreased to 0.5 bar. (3) the volume in m3 occupied by saturated liquid at the final state?
Answers: 3
You know the right answer?
A municipal WW activated sludge facility has the following characteristics: Flow = 7.2 million liter...
Questions
Mathematics, 12.01.2022 15:20
Mathematics, 12.01.2022 15:20
Computers and Technology, 12.01.2022 15:30
Mathematics, 12.01.2022 15:30
Mathematics, 12.01.2022 15:30
