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Average daily influent flow rate when hydraulic retention time is given

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Average Daily Influent Flow Rate When Net Waste Activated Sludge is Given

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Average Daily Influent Flow Rate when RAS Pumping Rate from Aeration Tank is Given

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Average Daily Influent Flow Rate when Recirculation Ratio is Given

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Average daily influent flow rate when the volume of the reactor is given

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Average daily influent flow rate when theoretical oxygen requirement is given

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Concentration of Sludge in Return Line when RAS Pumping Rate from Aeration Tank is Given

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Concentration of Sludge in Return Line when Wasting Rate from Return Line is Given

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Concentration of Solids in Effluent When Wasting Rate from Return Line is Given

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Conversion factor when theoretical oxygen requirement is given

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Effluent Flow Rate when Wasting Rate from Return Line is Given

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Effluent substrate concentration when net waste activated sludge is given

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Effluent substrate concentration when the volume of the reactor is given

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Effluent substrate concentration when theoretical oxygen requirement is given

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Endogenous decay coefficient when observed cell yield is given

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Endogenous decay constant when the volume of the reactor is given

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Hydraulic Retention Time

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Hydraulic Retention Time When F:M Ratio is Given

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Influent substrate concentration when F:M ratio is given

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Influent Substrate Concentration When Net Waste Activated Sludge is Given

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Influent substrate concentration when the volume of the reactor is given

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Influent substrate concentration when theoretical oxygen requirement is given

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Mass of organisms wasted when theoretical oxygen requirement is given

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Maximum yield coefficient when observed cell yield is given

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Maximum yield coefficient when the volume of the reactor is given

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Mean cell residence time when observed cell yield is given

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Mean cell residence time when the volume of the reactor is given

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Mixed liquor suspended solids when wasting rate from return line is given

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Mixed Liquor Volatile Suspended Solids When F:M Ratio is Given

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Mixed liquor volatile suspended solids when the volume of the reactor is given

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MLSS Using Wasting rate From Return Line when Concentration of Solid in Effluent is Low

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MLSS when RAS Pumping Rate from Aeration Tank is Given

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Net waste activated sludge

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Net waste activated sludge when theoretical oxygen requirement is given

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Observed cell yield

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Observed Cell Yield When Net Waste Activated Sludge is Given

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RAS Pumping Rate from Aeration Tank

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RAS Pumping Rate when Recirculation Ratio is Given

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Recirculation Ratio

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Sludge Age when WAS Pumping Rate from Aeration Tank is Given

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Sludge Concentration Using Wasting Rate from Return Line when Solid Concentration in Effluent is Low

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Theoretical oxygen requirement for the removal of the carbonaceous organic matter

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Theoretical oxygen requirements using the conversion factor

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Total mass of BOD utilized when theoretical oxygen requirement is given

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Volume of Reactor Using Wasting Rate from Return Line when Concentration of Solid in Effluent is Low

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Volume of Reactor when Hydraulic Retention Time is Given

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Volume of Reactor When WAS Pumping Rate from Aeration Tank is Given

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Volume of the Reactor

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Volume of the reactor when wasting rate from return line is given

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WAS pumping rate from aeration tank

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WAS Pumping Rate from Return Line when RAS Pumping Rate from Aeration Tank is Given

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WAS Pumping Rate From Return Line When Wasting Rate From Return Line is Given

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WAS Pumping Rate Using Wasting Rate from Return Line when Concentration of Solid in Effluent is Low

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Wasting rate from return line

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Wasting Rate from Return Line when Concentration of Solid in Effluent is Low

7 More Design of a complete mix activated sludge reactor Calculators