Influent Flow Rate when Return Activated Sludge Flow Rate is Given Calculator

Category	Engineering ↺
Engineering	Civil ↺
Civil	Environmental Engineering ↺
Environmental-Engineering	Design of a Circular Settling Tank ↺

✖Return activated sludge flow rate will vary with each installation and with different load factors.ⓘ Return activated sludge [Q_r]

+10%

-10%

✖Average daily influent flow rate is the total discharge that comes in the reactor.ⓘ Influent Flow Rate when Return Activated Sludge Flow Rate is Given [Q]

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Suraj Kumar

Birsa Institute of Technology (BIT), Sindri

Suraj Kumar has created this Calculator and 500+ more calculators!

Ishita Goyal

Meerut Institute of Engineering and Technology (MIET), Meerut

Ishita Goyal has verified this Calculator and 500+ more calculators!

< 9 Other formulas that you can solve using the same Inputs

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

WAS pumping rate from return line=((mlss/sludge concentration in return line)*(average daily influent flow rate+Return activated sludge))-Return activated sludge GO

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

average daily influent flow rate=((sludge concentration in return line/mlss)*(Return activated sludge+WAS pumping rate from return line))-Return activated sludge GO

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

sludge concentration in return line=mlss*(average daily influent flow rate+Return activated sludge)/(Return activated sludge+WAS pumping rate from return line) GO

MLSS when RAS Pumping Rate from Aeration Tank is Given

mlss=sludge concentration in return line*(Return activated sludge+WAS pumping rate from return line)/(average daily influent flow rate+Return activated sludge) GO

Average Daily Influent Flow Rate when Recirculation Ratio is Given

average daily influent flow rate=Return activated sludge/recirculation ratio GO

Recirculation Ratio

recirculation ratio=Return activated sludge/average daily influent flow rate GO

Mixed Liquor Suspended Solids in Aeration Tank when Maximum Solids is Given

mlss=(Maximum solids/((Peak Discharge+Return activated sludge)*8.34)) GO

Peak Discharge when Maximum Solids Entering the Clarifier is Given

Peak Discharge=(Maximum solids/(mlss*8.34))-Return activated sludge GO

Maximum Solids Entering the Clarifier

Maximum solids=(Peak Discharge+Return activated sludge)*mlss*8.34 GO

< 7 Other formulas that calculate the same Output

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

average daily influent flow rate=Volume of the reactor*mlvss*(1+(endogenous decay coefficient*mean cell residence time))/(mean cell residence time*maximum yield coefficient*(influent substrate concentration-effluent substrate concentration)) GO

Average daily influent flow rate when theoretical oxygen requirement is given

average daily influent flow rate=(theoretical oxygen requirement+(1.42*net waste activated sludge))*(bod conversion factor/(8.34*(influent substrate concentration-effluent substrate concentration))) GO

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

average daily influent flow rate=((sludge concentration in return line/mlss)*(Return activated sludge+WAS pumping rate from return line))-Return activated sludge GO

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

average daily influent flow rate=net waste activated sludge/(8.34*observed cell yield*(influent substrate concentration-effluent substrate concentration)) GO

Average daily influent flow rate when organic loading is given

average daily influent flow rate=organic loading*Volume of the reactor/influent substrate concentration GO

Average daily influent flow rate when hydraulic retention time is given

average daily influent flow rate=Volume of the reactor/hydraulic retention time GO

Average Daily Influent Flow Rate when Recirculation Ratio is Given

average daily influent flow rate=Return activated sludge/recirculation ratio GO

Influent Flow Rate when Return Activated Sludge Flow Rate is Given Formula

average daily influent flow rate=(Return activated sludge/1.25)
Q=(Q<sub>r</sub>/1.25)

More formulas

Peak Discharge in Circular Settling Tanks GO

Average Daily Load when Peak Discharge in Circular Settling Tanks is Given GO

Peaking Factor when Peak Discharge in Circular Settling Tanks is Given GO

Surface Area of Circular Settling Tank GO

Peak Discharge when Surface Area of Circular Settling Tank is Given GO

Design Surface Loading Rate when Surface Area of Circular Settling Tank is Given GO

Return Activated Sludge Flow Rate GO

Maximum Solids Entering the Clarifier GO

Peak Discharge when Maximum Solids Entering the Clarifier is Given GO

Return Activated Sludge Flow Rate when Maximum Solids Entering the Clarifier is Given GO

Mixed Liquor Suspended Solids in Aeration Tank when Maximum Solids is Given GO

Assumed Solid Loading Rate of Circular Settling Tanks GO

Maximum Solids when Solid Loading Rate is Given GO

Surface Area when Solid Loading Rate is Given GO

Actual Solid Loading Rate of Circular Settling Tanks GO

Solids Processed when Actual Solid Loading Rate is Given GO

Total Settling Tank Surface Area when Actual Solid Loading Rate is Given GO

What is influent flow ?

Influent is water that "flows in". This is the raw, untreated wastewater. Effluent means to "flow out". This is the treated wastewater.This water is safe for discharge to lakes or rivers.

How to Calculate Influent Flow Rate when Return Activated Sludge Flow Rate is Given?

Influent Flow Rate when Return Activated Sludge Flow Rate is Given calculator uses average daily influent flow rate=(Return activated sludge/1.25) to calculate the average daily influent flow rate, The Influent Flow Rate when Return Activated Sludge Flow Rate is Given calculates the influent flow rate of water when we know the value of return activated sludge flow rate. average daily influent flow rate and is denoted by Q symbol.

How to calculate Influent Flow Rate when Return Activated Sludge Flow Rate is Given using this online calculator? To use this online calculator for Influent Flow Rate when Return Activated Sludge Flow Rate is Given, enter Return activated sludge (Q_r) and hit the calculate button. Here is how the Influent Flow Rate when Return Activated Sludge Flow Rate is Given calculation can be explained with given input values -> 691200 = (10/1.25).

FAQ

What is Influent Flow Rate when Return Activated Sludge Flow Rate is Given?

The Influent Flow Rate when Return Activated Sludge Flow Rate is Given calculates the influent flow rate of water when we know the value of return activated sludge flow rate and is represented as Q=(Q_r/1.25) or average daily influent flow rate=(Return activated sludge/1.25). Return activated sludge flow rate will vary with each installation and with different load factors.

How to calculate Influent Flow Rate when Return Activated Sludge Flow Rate is Given?

The Influent Flow Rate when Return Activated Sludge Flow Rate is Given calculates the influent flow rate of water when we know the value of return activated sludge flow rate is calculated using average daily influent flow rate=(Return activated sludge/1.25). To calculate Influent Flow Rate when Return Activated Sludge Flow Rate is Given, you need Return activated sludge (Q_r). With our tool, you need to enter the respective value for Return activated sludge and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate average daily influent flow rate?

In this formula, average daily influent flow rate uses Return activated sludge. We can use 7 other way(s) to calculate the same, which is/are as follows -

average daily influent flow rate=Volume of the reactor*mlvss*(1+(endogenous decay coefficient*mean cell residence time))/(mean cell residence time*maximum yield coefficient*(influent substrate concentration-effluent substrate concentration))
average daily influent flow rate=Volume of the reactor/hydraulic retention time
average daily influent flow rate=net waste activated sludge/(8.34*observed cell yield*(influent substrate concentration-effluent substrate concentration))
average daily influent flow rate=(theoretical oxygen requirement+(1.42*net waste activated sludge))*(bod conversion factor/(8.34*(influent substrate concentration-effluent substrate concentration)))
average daily influent flow rate=organic loading*Volume of the reactor/influent substrate concentration
average daily influent flow rate=((sludge concentration in return line/mlss)*(Return activated sludge+WAS pumping rate from return line))-Return activated sludge
average daily influent flow rate=Return activated sludge/recirculation ratio

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