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MLSS given Sludge Volume Index and Recirculation Ratio Formula

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MLSS given Recirculation Ratio is the concentration of suspended solids, primarily microorganisms, in the mixed liquor of the aeration tank, considering recirculation ratio. Check FAQs

X' = \frac{1}{SVI \cdot (1 + α)}

X' - MLSS given Recirculation Ratio?SVI - Sludge Volume Index?α - Recirculation Ratio?

MLSS given Sludge Volume Index and Recirculation Ratio Example

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Here is how the MLSS given Sludge Volume Index and Recirculation Ratio equation looks like with Values.

Here is how the MLSS given Sludge Volume Index and Recirculation Ratio equation looks like with Units.

Here is how the MLSS given Sludge Volume Index and Recirculation Ratio equation looks like.

2.6667 = \frac{1}{150 \cdot (1 + 1.5)}

2.6667mg/L = \frac{1}{150mL/g \cdot (1 + 1.5)}

2.6667 = \frac{1}{150 \cdot (1 + 1.5)}

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MLSS given Sludge Volume Index and Recirculation Ratio Solution

Follow our step by step solution on how to calculate MLSS given Sludge Volume Index and Recirculation Ratio?

FIRST Step Consider the formula

X' = \frac{1}{SVI \cdot (1 + α)}

Next Step Substitute values of Variables

∴

X' = \frac{1}{150mL/g \cdot (1 + 1.5)}

Next Step Convert Units

∴

X' = \frac{1}{0.15m³/kg \cdot (1 + 1.5)}

Next Step Prepare to Evaluate

∴

X' = \frac{1}{0.15 \cdot (1 + 1.5)}

Next Step Evaluate

∴

X' = 0.00266666666666667kg/m³

Next Step Convert to Output's Unit

∴

X' = 2.66666666666667mg/L

LAST Step Rounding Answer

∴

X' = 2.6667mg/L

MLSS given Sludge Volume Index and Recirculation Ratio Formula Elements

Variables

MLSS given Recirculation Ratio

MLSS given Recirculation Ratio is the concentration of suspended solids, primarily microorganisms, in the mixed liquor of the aeration tank, considering recirculation ratio.

Symbol: X'

Measurement: DensityUnit: mg/L

Note: Value should be greater than 0.

Formulas to find MLSS given Recirculation Ratio

Sludge Volume Index

Sludge Volume Index is the volume occupied by 1 gram of activated sludge after 30 minutes of settling in a 1-liter graduated cylinder. SVI is expressed in milliliters per gram.

Symbol: SVI

Measurement: Specific VolumeUnit: mL/g

Note: Value should be greater than 0.

Formulas to find Sludge Volume Index

Recirculation Ratio

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

Symbol: α

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Recirculation Ratio

Other formulas in Mixed Liquor Suspended Solid MLSS category

Go MLSS given Sludge Recirculation Ratio

X = \frac{α \cdot X R}{1 + α}

Go MLSS given SVI and Sewage Discharge

X' = \frac{\frac{(\frac{Q r''}{Qs'}) \cdot (10^{6})}{SVI}}{1 + (\frac{Q r''}{Qs'})}

How to Evaluate MLSS given Sludge Volume Index and Recirculation Ratio?

MLSS given Sludge Volume Index and Recirculation Ratio evaluator uses MLSS given Recirculation Ratio = 1/(Sludge Volume Index*(1+Recirculation Ratio)) to evaluate the MLSS given Recirculation Ratio, The MLSS given Sludge Volume Index and Recirculation Ratio formula is defined as the calculation of mixed liquor suspended solids when we have prior information of sludge volume index and recirculation ratio. MLSS given Recirculation Ratio is denoted by X' symbol.

How to evaluate MLSS given Sludge Volume Index and Recirculation Ratio using this online evaluator? To use this online evaluator for MLSS given Sludge Volume Index and Recirculation Ratio, enter Sludge Volume Index (SVI) & Recirculation Ratio (α) and hit the calculate button.

FAQs on MLSS given Sludge Volume Index and Recirculation Ratio

What is the formula to find MLSS given Sludge Volume Index and Recirculation Ratio?

The formula of MLSS given Sludge Volume Index and Recirculation Ratio is expressed as MLSS given Recirculation Ratio = 1/(Sludge Volume Index*(1+Recirculation Ratio)). Here is an example- 2666.667 = 1/(0.15*(1+1.5)).

How to calculate MLSS given Sludge Volume Index and Recirculation Ratio?

With Sludge Volume Index (SVI) & Recirculation Ratio (α) we can find MLSS given Sludge Volume Index and Recirculation Ratio using the formula - MLSS given Recirculation Ratio = 1/(Sludge Volume Index*(1+Recirculation Ratio)).

Can the MLSS given Sludge Volume Index and Recirculation Ratio be negative?

No, the MLSS given Sludge Volume Index and Recirculation Ratio, measured in Density cannot be negative.

Which unit is used to measure MLSS given Sludge Volume Index and Recirculation Ratio?

MLSS given Sludge Volume Index and Recirculation Ratio is usually measured using the Milligram per Liter[mg/L] for Density. Kilogram per Cubic Meter[mg/L], Kilogram per Cubic Centimeter[mg/L], Gram per Cubic Meter[mg/L] are the few other units in which MLSS given Sludge Volume Index and Recirculation Ratio can be measured.

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MLSS given Sludge Volume Index and Recirculation Ratio Formula

MLSS given Sludge Volume Index and Recirculation Ratio Example

MLSS given Sludge Volume Index and Recirculation Ratio Solution

MLSS given Sludge Volume Index and Recirculation Ratio Formula Elements

Other formulas in Mixed Liquor Suspended Solid MLSS category

How to Evaluate MLSS given Sludge Volume Index and Recirculation Ratio?

FAQs on MLSS given Sludge Volume Index and Recirculation Ratio

Variable Name