Sludge Recirculation Ratio given Sludge Volume Index Solution

STEP 0: Pre-Calculation Summary
Formula Used
Recirculation Ratio = (MLSS/(((10^6)/Sludge Volume Index)-MLSS))
α = (X/(((10^6)/SVI)-X))
This formula uses 3 Variables
Variables Used
Recirculation Ratio - Recirculation Ratio is the ratio of the RAS pumping rate to influent flow rate.
MLSS - (Measured in Kilogram per Cubic Meter) - MLSS is the sum of volatile suspended solids (organics) and fixed suspended solids (inorganics).
Sludge Volume Index - (Measured in Cubic Meter per Kilogram) - Sludge Volume Index is the ratio of volume to MLSS.
STEP 1: Convert Input(s) to Base Unit
MLSS: 1200 Milligram per Liter --> 1.2 Kilogram per Cubic Meter (Check conversion here)
Sludge Volume Index: 2 Liter per Gram --> 2 Cubic Meter per Kilogram (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
α = (X/(((10^6)/SVI)-X)) --> (1.2/(((10^6)/2)-1.2))
Evaluating ... ...
α = 2.40000576001382E-06
STEP 3: Convert Result to Output's Unit
2.40000576001382E-06 --> No Conversion Required
FINAL ANSWER
2.40000576001382E-06 2.4E-6 <-- Recirculation Ratio
(Calculation completed in 00.004 seconds)

Credits

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Birsa Institute of Technology (BIT), Sindri
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4 Sludge Recirculation Ratio Calculators

Sludge Recirculation Rate given MLSS and SVI
Go Recirculation flow = Sewage Discharge*(MLSS/(((10^6)/Sludge Volume Index)-MLSS))
Sludge Recirculation Ratio given Sludge Volume Index
Go Recirculation Ratio = (MLSS/(((10^6)/Sludge Volume Index)-MLSS))
Sludge Recirculation Rate given Sludge Recirculation Ratio
Go Recirculation flow = Recirculation Ratio*Sewage Concentration
Sludge Recirculation Ratio
Go Recirculation Ratio = Recirculation flow/Sewage Discharge

Sludge Recirculation Ratio given Sludge Volume Index Formula

Recirculation Ratio = (MLSS/(((10^6)/Sludge Volume Index)-MLSS))
α = (X/(((10^6)/SVI)-X))

What is sludge ?

Sludge is a semi-solid slurry that can be produced from a range of industrial processes, from water treatment, wastewater treatment or on-site sanitation systems.

How to Calculate Sludge Recirculation Ratio given Sludge Volume Index?

Sludge Recirculation Ratio given Sludge Volume Index calculator uses Recirculation Ratio = (MLSS/(((10^6)/Sludge Volume Index)-MLSS)) to calculate the Recirculation Ratio, Sludge Recirculation Ratio given Sludge Volume Index calculates sludge recirculation ratio when we have prior information of other parameters used. Recirculation Ratio is denoted by α symbol.

How to calculate Sludge Recirculation Ratio given Sludge Volume Index using this online calculator? To use this online calculator for Sludge Recirculation Ratio given Sludge Volume Index, enter MLSS (X) & Sludge Volume Index (SVI) and hit the calculate button. Here is how the Sludge Recirculation Ratio given Sludge Volume Index calculation can be explained with given input values -> 2.4E-6 = (1.2/(((10^6)/2)-1.2)).

FAQ

What is Sludge Recirculation Ratio given Sludge Volume Index?
Sludge Recirculation Ratio given Sludge Volume Index calculates sludge recirculation ratio when we have prior information of other parameters used and is represented as α = (X/(((10^6)/SVI)-X)) or Recirculation Ratio = (MLSS/(((10^6)/Sludge Volume Index)-MLSS)). MLSS is the sum of volatile suspended solids (organics) and fixed suspended solids (inorganics) & Sludge Volume Index is the ratio of volume to MLSS.
How to calculate Sludge Recirculation Ratio given Sludge Volume Index?
Sludge Recirculation Ratio given Sludge Volume Index calculates sludge recirculation ratio when we have prior information of other parameters used is calculated using Recirculation Ratio = (MLSS/(((10^6)/Sludge Volume Index)-MLSS)). To calculate Sludge Recirculation Ratio given Sludge Volume Index, you need MLSS (X) & Sludge Volume Index (SVI). With our tool, you need to enter the respective value for MLSS & Sludge Volume Index 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 Recirculation Ratio?
In this formula, Recirculation Ratio uses MLSS & Sludge Volume Index. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Recirculation Ratio = Recirculation flow/Sewage Discharge
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