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Internal Reflux Ratio refers to the ratio of liquid refluxed back to the column and the amount of vapor flowing out from the top of column. Check FAQs
Rin=LL+D
Rin - Internal Reflux Ratio?L - Liquid Reflux Flowrate?D - Distillate Flowrate?

Internal Reflux Ratio Based on Liquid and Distillate Flowrates Example

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Here is how the Internal Reflux Ratio Based on Liquid and Distillate Flowrates equation looks like with Values.

Here is how the Internal Reflux Ratio Based on Liquid and Distillate Flowrates equation looks like with Units.

Here is how the Internal Reflux Ratio Based on Liquid and Distillate Flowrates equation looks like.

0.5891Edit=1.2547Edit1.2547Edit+0.8753Edit
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Internal Reflux Ratio Based on Liquid and Distillate Flowrates Solution

Follow our step by step solution on how to calculate Internal Reflux Ratio Based on Liquid and Distillate Flowrates?

FIRST Step Consider the formula
Rin=LL+D
Next Step Substitute values of Variables
Rin=1.2547m³/s1.2547m³/s+0.8753m³/s
Next Step Prepare to Evaluate
Rin=1.25471.2547+0.8753
Next Step Evaluate
Rin=0.589070988993241
LAST Step Rounding Answer
Rin=0.5891

Internal Reflux Ratio Based on Liquid and Distillate Flowrates Formula Elements

Variables
Internal Reflux Ratio
Internal Reflux Ratio refers to the ratio of liquid refluxed back to the column and the amount of vapor flowing out from the top of column.
Symbol: Rin
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Liquid Reflux Flowrate
Liquid reflux flowrate refers to the amount of liquid returning or flowing back in a distillation process.
Symbol: L
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Distillate Flowrate
The distillate flowrate refers to the rate at which the distilled or separated product is collected during a distillation process.
Symbol: D
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.

Other Formulas to find Internal Reflux Ratio

​Go Internal Reflux Ratio Given External Reflux Ratio
Rin=RexRex+1
​Go Minimum Internal Reflux given Compositions
Rin=xD-yCxD-xC

Other formulas in Distillation Tower Design category

​Go Clearance Area under Downcomer given Weir Length and Apron Height
Aap=haplw
​Go Active Area given Gas Volumetric Flow and Flow Velocity
Aa=Gvfduf
​Go Column Diameter Based on Vapor Flowrate and Mass Velocity of Vapor
Dc=(4VWπWmax)12
​Go Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity
Dc=4VWπρVUv

How to Evaluate Internal Reflux Ratio Based on Liquid and Distillate Flowrates?

Internal Reflux Ratio Based on Liquid and Distillate Flowrates evaluator uses Internal Reflux Ratio = Liquid Reflux Flowrate/(Liquid Reflux Flowrate+Distillate Flowrate) to evaluate the Internal Reflux Ratio, The Internal Reflux Ratio Based on Liquid and Distillate Flowrates formula is defined as the ratio of the liquid reflux flowrate (L) to the distillate flowrate (D). Internal Reflux Ratio is denoted by Rin symbol.

How to evaluate Internal Reflux Ratio Based on Liquid and Distillate Flowrates using this online evaluator? To use this online evaluator for Internal Reflux Ratio Based on Liquid and Distillate Flowrates, enter Liquid Reflux Flowrate (L) & Distillate Flowrate (D) and hit the calculate button.

FAQs on Internal Reflux Ratio Based on Liquid and Distillate Flowrates

What is the formula to find Internal Reflux Ratio Based on Liquid and Distillate Flowrates?
The formula of Internal Reflux Ratio Based on Liquid and Distillate Flowrates is expressed as Internal Reflux Ratio = Liquid Reflux Flowrate/(Liquid Reflux Flowrate+Distillate Flowrate). Here is an example- 0.589071 = 1.2547/(1.2547+0.875264).
How to calculate Internal Reflux Ratio Based on Liquid and Distillate Flowrates?
With Liquid Reflux Flowrate (L) & Distillate Flowrate (D) we can find Internal Reflux Ratio Based on Liquid and Distillate Flowrates using the formula - Internal Reflux Ratio = Liquid Reflux Flowrate/(Liquid Reflux Flowrate+Distillate Flowrate).
What are the other ways to Calculate Internal Reflux Ratio?
Here are the different ways to Calculate Internal Reflux Ratio-
  • Internal Reflux Ratio=External Reflux Ratio/(External Reflux Ratio+1)OpenImg
  • Internal Reflux Ratio=(Distillate Composition-Equilibrium Vapor Composition)/(Distillate Composition-Equilibrium Liquid Composition)OpenImg
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