Volume of Wasted Sludge Per Day given MLSS Solution

STEP 0: Pre-Calculation Summary
Formula Used
Volume of Wasted Sludge per day = (Mixed Liquor Suspended Solids*Volume of Tank)/(Concentration of Solids given MLSS*Sludge Age)
Qw = (X'*V)/(XEm*θc)
This formula uses 5 Variables
Variables Used
Volume of Wasted Sludge per day - (Measured in Cubic Meter per Second) - Volume of Wasted Sludge per day is the amount of sludge that is removed from a wastewater treatment process within a 24-hour period.
Mixed Liquor Suspended Solids - (Measured in Kilogram per Cubic Meter) - Mixed Liquor Suspended Solids is the concentration of suspended solids in the mixed liquor of an aeration tank during the activated sludge process.
Volume of Tank - (Measured in Cubic Meter) - Volume of Tank is defined as the capacity of flocculation and mixing tank.
Concentration of Solids given MLSS - (Measured in Kilogram per Cubic Meter) - Concentration of Solids given MLSS is the density of solid particles present in the sludge that is returned from the secondary settling tanks to the aeration tank, considering MLSS.
Sludge Age - (Measured in Second) - Sludge Age is the average time for which the particle of suspended solids remains in aeration.
STEP 1: Convert Input(s) to Base Unit
Mixed Liquor Suspended Solids: 1200 Milligram per Liter --> 1.2 Kilogram per Cubic Meter (Check conversion ​here)
Volume of Tank: 9 Cubic Meter --> 9 Cubic Meter No Conversion Required
Concentration of Solids given MLSS: 0.0026 Milligram per Liter --> 2.6E-06 Kilogram per Cubic Meter (Check conversion ​here)
Sludge Age: 5 Day --> 432000 Second (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Qw = (X'*V)/(XEmc) --> (1.2*9)/(2.6E-06*432000)
Evaluating ... ...
Qw = 9.61538461538461
STEP 3: Convert Result to Output's Unit
9.61538461538461 Cubic Meter per Second --> No Conversion Required
FINAL ANSWER
9.61538461538461 9.615385 Cubic Meter per Second <-- Volume of Wasted Sludge per day
(Calculation completed in 00.006 seconds)

Credits

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Created by Suraj Kumar
Birsa Institute of Technology (BIT), Sindri
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Meerut Institute of Engineering and Technology (MIET), Meerut
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Volume of Wasted Sludge Calculators

Volume of Wasted Sludge Per Day given Sludge Age
​ LaTeX ​ Go Volume of Wasted Sludge per day = (((Volume of Tank*Mixed Liquor Suspended Solids)/Sludge Age)-(Sewage Discharge*Concentration of Solids in Effluent))/(Concentration of Solids in Returned Sludge-Concentration of Solids in Effluent)
Volume of Wasted Sludge Per Day given Total Solids Removed
​ LaTeX ​ Go Volume of Wasted Sludge per day = (Mass of Solids Leaving the System-(Sewage Discharge*Concentration of Solids in Effluent))/(Concentration of Solids in Returned Sludge-Concentration of Solids in Effluent)
Volume of Wasted Sludge Per Day given Mass of Solids Removed
​ LaTeX ​ Go Volume of Wasted Sludge per day = Sewage Discharge-(Mass of Solids/Concentration of Solids in Effluent)
Volume of Wasted Sludge Per Day
​ LaTeX ​ Go Volume of Wasted Sludge per day = Mass of Solids/Concentration of Solids in Returned Sludge

Volume of Wasted Sludge Per Day given MLSS Formula

​LaTeX ​Go
Volume of Wasted Sludge per day = (Mixed Liquor Suspended Solids*Volume of Tank)/(Concentration of Solids given MLSS*Sludge Age)
Qw = (X'*V)/(XEm*θc)

What is Sludge Wasting?

Wasting removes solids buildup in the activated-sludge system, formed when solids amounts in the aeration-tank influent are greater than the solids amounts in the secondary-clarifier effluent. If sludge is not wasted, the secondary clarifier eventually fills up with solids.

How to Calculate Volume of Wasted Sludge Per Day given MLSS?

Volume of Wasted Sludge Per Day given MLSS calculator uses Volume of Wasted Sludge per day = (Mixed Liquor Suspended Solids*Volume of Tank)/(Concentration of Solids given MLSS*Sludge Age) to calculate the Volume of Wasted Sludge per day, The Volume of Wasted Sludge Per Day given MLSS formula is defined as the calculation of volume of wasted sludge per day when we have prior information of MLSS. Volume of Wasted Sludge per day is denoted by Qw symbol.

How to calculate Volume of Wasted Sludge Per Day given MLSS using this online calculator? To use this online calculator for Volume of Wasted Sludge Per Day given MLSS, enter Mixed Liquor Suspended Solids (X'), Volume of Tank (V), Concentration of Solids given MLSS (XEm) & Sludge Age c) and hit the calculate button. Here is how the Volume of Wasted Sludge Per Day given MLSS calculation can be explained with given input values -> 9.615385 = (1.2*9)/(2.6E-06*432000).

FAQ

What is Volume of Wasted Sludge Per Day given MLSS?
The Volume of Wasted Sludge Per Day given MLSS formula is defined as the calculation of volume of wasted sludge per day when we have prior information of MLSS and is represented as Qw = (X'*V)/(XEmc) or Volume of Wasted Sludge per day = (Mixed Liquor Suspended Solids*Volume of Tank)/(Concentration of Solids given MLSS*Sludge Age). Mixed Liquor Suspended Solids is the concentration of suspended solids in the mixed liquor of an aeration tank during the activated sludge process, Volume of Tank is defined as the capacity of flocculation and mixing tank, Concentration of Solids given MLSS is the density of solid particles present in the sludge that is returned from the secondary settling tanks to the aeration tank, considering MLSS & Sludge Age is the average time for which the particle of suspended solids remains in aeration.
How to calculate Volume of Wasted Sludge Per Day given MLSS?
The Volume of Wasted Sludge Per Day given MLSS formula is defined as the calculation of volume of wasted sludge per day when we have prior information of MLSS is calculated using Volume of Wasted Sludge per day = (Mixed Liquor Suspended Solids*Volume of Tank)/(Concentration of Solids given MLSS*Sludge Age). To calculate Volume of Wasted Sludge Per Day given MLSS, you need Mixed Liquor Suspended Solids (X'), Volume of Tank (V), Concentration of Solids given MLSS (XEm) & Sludge Age c). With our tool, you need to enter the respective value for Mixed Liquor Suspended Solids, Volume of Tank, Concentration of Solids given MLSS & Sludge Age 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 Volume of Wasted Sludge per day?
In this formula, Volume of Wasted Sludge per day uses Mixed Liquor Suspended Solids, Volume of Tank, Concentration of Solids given MLSS & Sludge Age. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Volume of Wasted Sludge per day = Mass of Solids/Concentration of Solids in Returned Sludge
  • Volume of Wasted Sludge per day = Sewage Discharge-(Mass of Solids/Concentration of Solids in Effluent)
  • Volume of Wasted Sludge per day = (Mass of Solids Leaving the System-(Sewage Discharge*Concentration of Solids in Effluent))/(Concentration of Solids in Returned Sludge-Concentration of Solids in Effluent)
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