Recirculation Factor given Volume of Raw Sewage Solution

STEP 0: Pre-Calculation Summary
Formula Used
Recirculation factor = (1+(Volume of recirculated sewage/Volume of Raw Sewage))/(1+0.1*(Volume of recirculated sewage/Volume of Raw Sewage))^2
F = (1+(R/I))/(1+0.1*(R/I))^2
This formula uses 3 Variables
Variables Used
Recirculation factor - Recirculation factor r represents the average number of passes of the influent organic matter through the trickling filter.
Volume of recirculated sewage - (Measured in Cubic Meter) - Volume of recirculated sewage means the volume of sewage after the recirculation.
Volume of Raw Sewage - (Measured in Cubic Meter) - Volume of raw sewage means the volume of sewage generated recently.
STEP 1: Convert Input(s) to Base Unit
Volume of recirculated sewage: 3 Cubic Meter --> 3 Cubic Meter No Conversion Required
Volume of Raw Sewage: 20 Cubic Meter --> 20 Cubic Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
F = (1+(R/I))/(1+0.1*(R/I))^2 --> (1+(3/20))/(1+0.1*(3/20))^2
Evaluating ... ...
F = 1.11626101094421
STEP 3: Convert Result to Output's Unit
1.11626101094421 --> No Conversion Required
FINAL ANSWER
1.11626101094421 1.116261 <-- Recirculation factor
(Calculation completed in 00.004 seconds)

Credits

Created by Suraj Kumar
Birsa Institute of Technology (BIT), Sindri
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12 Efficiency of High Rate Filters Calculators

Initial Efficiency given Final Efficiency after Two Stage Filtration
Go Efficiency of First Filter Stage = (1-(0.0044*sqrt(BOD in effluent/(Volume*Recirculation factor)))/((100/Efficiency of Second Filter Stage)-1))
Final Efficiency after Two Stage Filtration
Go Efficiency of Second Filter Stage = (100/(1+(0.0044/(1-Efficiency of First Filter Stage))*sqrt(BOD in effluent/(Volume*Recirculation factor))))
Recirculation Factor given Volume of Raw Sewage
Go Recirculation factor = (1+(Volume of recirculated sewage/Volume of Raw Sewage))/(1+0.1*(Volume of recirculated sewage/Volume of Raw Sewage))^2
Filter Volume given Volume of Raw Sewage
Go Volumetric Flow Rate = (Total Organic Load*Volume of Raw Sewage)/(Volume of recirculated sewage*Organic loading)
Efficiency of Single Stage High Rate Trickling Filter
Go Efficiency of First Filter Stage = (100/(1+0.0044*sqrt(Total Organic Load/(Volume*Recirculation factor))))
Unit Organic Loading on Filter
Go Organic loading = (Total Organic Load/(Volume*Recirculation factor))
Recirculation Factor given Recirculation ratio
Go Recirculation factor = (1+Recirculation Ratio)/(1+0.1*Recirculation Ratio)^2
Efficiency of Single Stage High Rate Trickling Filter given Unit Organic Loading
Go Efficiency of First Filter Stage = (100/(1+0.0044*sqrt(Organic loading)))
Volume of Recirculated Sewage given Recirculation ratio
Go Volume of recirculated sewage = Recirculation Ratio*Volume of Raw Sewage
Recirculation Ratio given Volume of Raw Sewage
Go Recirculation Ratio = Volume of recirculated sewage/Volume of Raw Sewage
Volume of Raw Sewage given Recirculation ratio
Go Volume of Raw Sewage = Volume of recirculated sewage/Recirculation Ratio
Unit Organic Loading using Efficiency of Filter
Go Organic loading = (((100/Efficiency of First Stage Filter)-1)/0.0044)^2

Recirculation Factor given Volume of Raw Sewage Formula

Recirculation factor = (1+(Volume of recirculated sewage/Volume of Raw Sewage))/(1+0.1*(Volume of recirculated sewage/Volume of Raw Sewage))^2
F = (1+(R/I))/(1+0.1*(R/I))^2

What is recirculation ratio ?

Recirculation ratio is the ratio of recirculated flow to the total flow of raw sewage.If the sewage has high concentration of B.O.D., it can be treated by passing number of times through the trickling filters and settling tanks.

How to Calculate Recirculation Factor given Volume of Raw Sewage?

Recirculation Factor given Volume of Raw Sewage calculator uses Recirculation factor = (1+(Volume of recirculated sewage/Volume of Raw Sewage))/(1+0.1*(Volume of recirculated sewage/Volume of Raw Sewage))^2 to calculate the Recirculation factor, Recirculation Factor given Volume of Raw Sewage calculates recirculation factor when we have prior information of other parameters. Recirculation factor is denoted by F symbol.

How to calculate Recirculation Factor given Volume of Raw Sewage using this online calculator? To use this online calculator for Recirculation Factor given Volume of Raw Sewage, enter Volume of recirculated sewage (R) & Volume of Raw Sewage (I) and hit the calculate button. Here is how the Recirculation Factor given Volume of Raw Sewage calculation can be explained with given input values -> 1.116261 = (1+(3/20))/(1+0.1*(3/20))^2.

FAQ

What is Recirculation Factor given Volume of Raw Sewage?
Recirculation Factor given Volume of Raw Sewage calculates recirculation factor when we have prior information of other parameters and is represented as F = (1+(R/I))/(1+0.1*(R/I))^2 or Recirculation factor = (1+(Volume of recirculated sewage/Volume of Raw Sewage))/(1+0.1*(Volume of recirculated sewage/Volume of Raw Sewage))^2. Volume of recirculated sewage means the volume of sewage after the recirculation & Volume of raw sewage means the volume of sewage generated recently.
How to calculate Recirculation Factor given Volume of Raw Sewage?
Recirculation Factor given Volume of Raw Sewage calculates recirculation factor when we have prior information of other parameters is calculated using Recirculation factor = (1+(Volume of recirculated sewage/Volume of Raw Sewage))/(1+0.1*(Volume of recirculated sewage/Volume of Raw Sewage))^2. To calculate Recirculation Factor given Volume of Raw Sewage, you need Volume of recirculated sewage (R) & Volume of Raw Sewage (I). With our tool, you need to enter the respective value for Volume of recirculated sewage & Volume of Raw Sewage 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 factor?
In this formula, Recirculation factor uses Volume of recirculated sewage & Volume of Raw Sewage. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Recirculation factor = (1+Recirculation Ratio)/(1+0.1*Recirculation Ratio)^2
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