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Recirculation Factor Formula

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Recirculation Factor refers to the average number of passes of the influent organic matter through the trickling filter. Check FAQs

F = \frac{1 + α}{{(1 + \frac{α}{10})}^{2}}

F - Recirculation Factor?α - Recirculation Ratio?

Recirculation Factor Example

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Here is how the Recirculation Factor equation looks like with Values.

Here is how the Recirculation Factor equation looks like with Units.

Here is how the Recirculation Factor equation looks like.

1.8904 = \frac{1 + 1.5}{{(1 + \frac{1.5}{10})}^{2}}

1.8904 = \frac{1 + 1.5}{{(1 + \frac{1.5}{10})}^{2}}

1.8904 = \frac{1 + 1.5}{{(1 + \frac{1.5}{10})}^{2}}

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Recirculation Factor Solution

Follow our step by step solution on how to calculate Recirculation Factor?

FIRST Step Consider the formula

F = \frac{1 + α}{{(1 + \frac{α}{10})}^{2}}

Next Step Substitute values of Variables

∴

F = \frac{1 + 1.5}{{(1 + \frac{1.5}{10})}^{2}}

Next Step Prepare to Evaluate

∴

F = \frac{1 + 1.5}{{(1 + \frac{1.5}{10})}^{2}}

Next Step Evaluate

∴

F = 1.89035916824197

LAST Step Rounding Answer

∴

F = 1.8904

Recirculation Factor Formula Elements

Variables

Recirculation Factor

Recirculation Factor refers to the average number of passes of the influent organic matter through the trickling filter.

Symbol: F

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Recirculation Factor

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

How to Evaluate Recirculation Factor?

Recirculation Factor evaluator uses Recirculation Factor = (1+Recirculation Ratio)/((1+Recirculation Ratio/10)^2) to evaluate the Recirculation Factor, The Recirculation Factor formula is defined as the portion of treated wastewater that is recirculated back into the treatment process. Recirculation Factor is denoted by F symbol.

How to evaluate Recirculation Factor using this online evaluator? To use this online evaluator for Recirculation Factor, enter Recirculation Ratio (α) and hit the calculate button.

FAQs on Recirculation Factor

What is the formula to find Recirculation Factor?

The formula of Recirculation Factor is expressed as Recirculation Factor = (1+Recirculation Ratio)/((1+Recirculation Ratio/10)^2). Here is an example- 1.890359 = (1+1.5)/((1+1.5/10)^2).

How to calculate Recirculation Factor?

With Recirculation Ratio (α) we can find Recirculation Factor using the formula - Recirculation Factor = (1+Recirculation Ratio)/((1+Recirculation Ratio/10)^2).

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