Recirculation Ratio in Design of a Complete Mix Activated Sludge Reactor Formulas

Recirculation Ratio refers to the ratio of the RAS pumping rate to influent flow rate. And is denoted by α.

Formulas to find Recirculation Ratio in Design of a Complete Mix Activated Sludge Reactor

fxRecirculation RatioGo

fxAverage Daily Influent Flow Rate using Recirculation RatioGo

fxRAS Pumping Rate using Recirculation RatioGo

fx Return Activated Sludge Go

fx Average Daily Influent Flow Rate Go

What is the Recirculation Ratio?

Recirculation Ratio refers to the ratio of the RAS pumping rate to influent flow rate.

Can the Recirculation Ratio be negative?

{YesorNo}, the Recirculation Ratio, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.

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