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Recycle Ratio is defined as volume of feed, returned to the reactor entrance divided by the volume of the leaving streams. Check FAQs
R=VRVD
R - Recycle Ratio?VR - Volume Returned?VD - Volume Discharged?

Recycle Ratio Example

With values
With units
Only example

Here is how the Recycle Ratio equation looks like with Values.

Here is how the Recycle Ratio equation looks like with Units.

Here is how the Recycle Ratio equation looks like.

0.3Edit=40Edit133.33Edit
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Recycle Ratio Solution

Follow our step by step solution on how to calculate Recycle Ratio?

FIRST Step Consider the formula
R=VRVD
Next Step Substitute values of Variables
R=40133.33
Next Step Prepare to Evaluate
R=40133.33
Next Step Evaluate
R=0.300007500187505
LAST Step Rounding Answer
R=0.3

Recycle Ratio Formula Elements

Variables
Recycle Ratio
Recycle Ratio is defined as volume of feed, returned to the reactor entrance divided by the volume of the leaving streams.
Symbol: R
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Volume Returned
Volume Returned is the volume of the fluid returned to reactor entrance.
Symbol: VR
Measurement: VolumeUnit:
Note: Value can be positive or negative.
Volume Discharged
Volume Discharged is the volume leaving the system.
Symbol: VD
Measurement: VolumeUnit:
Note: Value can be positive or negative.

Other Formulas to find Recycle Ratio

​Go Recycle Ratio using Reactant Conversion
R=1(XfX1)-1
​Go Recycle Ratio using Total Feed Rate
R=(F0'F)-1

Other formulas in Recycle Reactor category

​Go Initial Reactant Concentration for First Order Reaction in Vessel i
C i-1=Ci(1+(k'trC2'))
​Go Initial Reactant Concentration for First Order Reaction using Reaction Rate
Co=trC2'riXi-1-Xi
​Go Initial Reactant Concentration for Second Order Reaction for Plug Flow or Infinite Reactors
Co=1(1C)-(k''𝛕p)
​Go Reactant Concentration for First Order Reaction in Vessel i
Ci=C i-11+(k'trC2')

How to Evaluate Recycle Ratio?

Recycle Ratio evaluator uses Recycle Ratio = Volume Returned/Volume Discharged to evaluate the Recycle Ratio, The Recycle Ratio formula is defined as the volume of feed returned to the reactor entrance divided by the volume of the leaving streams. Recycle Ratio is denoted by R symbol.

How to evaluate Recycle Ratio using this online evaluator? To use this online evaluator for Recycle Ratio, enter Volume Returned (VR) & Volume Discharged (VD) and hit the calculate button.

FAQs on Recycle Ratio

What is the formula to find Recycle Ratio?
The formula of Recycle Ratio is expressed as Recycle Ratio = Volume Returned/Volume Discharged. Here is an example- 0.300008 = 40/133.33.
How to calculate Recycle Ratio?
With Volume Returned (VR) & Volume Discharged (VD) we can find Recycle Ratio using the formula - Recycle Ratio = Volume Returned/Volume Discharged.
What are the other ways to Calculate Recycle Ratio?
Here are the different ways to Calculate Recycle Ratio-
  • Recycle Ratio=1/((Final Reactant Conversion/Total Feed Reactant Conversion)-1)OpenImg
  • Recycle Ratio=(Total Molar Feed Rate/Fresh Molar Feed Rate)-1OpenImg
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