Example Calculations Evaluation for Fine Bubble Aeration ...

Example CalculationsEvaluation for Fine Bubble Aeration SystemRevision Date6/10/02 9:52 Red Valve RepresentativeRed Valve Company, NORTH BELL AVENUECARNEGIE, PA 15106-0548 PHONE (412) 279-0044 FAX (412) 279-5410 Sample Air Diffuser ,000,000gpd15, , , O2/lb O2/kg O2/lb O2/kg BODMLSS Concentration at Design2300 Depth (Dp) Barometric Pressure (Pa) Pressure at Mean Sea Level (Pmsl) Oxygen Saturation at 20 C (Cs) Oxygen Saturation at Temp (Cst) Saturation of Diffuser at Depth (Cd) Oxygen Level (DO) Water Temperature (T) Saturation at Temperature (Ccr) Airflow at design conditions0scfmDensity of Air at Sea Level and ^3 Density of Air Correction ^3 Solution Transfer Efficiency FactorRange ( - )Influent Dissolved Oxygen Concentrationmg/lRequired Effluent Dissolved Oxygen Concentrationmg/lInput Parameters for Post Aeration SystemsProcess Design ValuesOxygen Transfer Efficiency ValuesBlower Parameters for Horsepower SizingInlet Blower Air TemperatureFood to BioMass ratio F/MPre-Determined Oxygen Uptake Rate to be AppliedCorrected Density of Air at Site Elevation & TempDiffuser distance from bottom of tankDesign Plant FlowrateLbs of Oxygen required per lb.

Example Calculations Evaluation for Fine Bubble Aeration System Revision Date 6/10/02 9:52 Red Valve Representative Red Valve Company, Inc. 700 NORTH BELL AVENUE CARNEGIE, PA 15106-0548 PHONE (412) 279-0044 FAX (412) 279-5410 Sample Air Diffuser Calcs.xls

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