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Vapor Flowrate in Rectifying Section refers to the molar flowrate of the vapor component travelling through the rectifying section of a distillation column. Check FAQs
Vn=Vm-F(q-1)
Vn - Vapor Flowrate in Rectifying Section?Vm - Vapor Flowrate in Stripping Section?F - Feed Flowrate?q - Feed Quality?

Vapor Flowrate in Rectifying Section for given Quality of Feed Example

With values
With units
Only example

Here is how the Vapor Flowrate in Rectifying Section for given Quality of Feed equation looks like with Values.

Here is how the Vapor Flowrate in Rectifying Section for given Quality of Feed equation looks like with Units.

Here is how the Vapor Flowrate in Rectifying Section for given Quality of Feed equation looks like.

449.441Edit=524.317Edit-217.0318Edit(1.345Edit-1)
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Vapor Flowrate in Rectifying Section for given Quality of Feed Solution

Follow our step by step solution on how to calculate Vapor Flowrate in Rectifying Section for given Quality of Feed?

FIRST Step Consider the formula
Vn=Vm-F(q-1)
Next Step Substitute values of Variables
Vn=524.317mol/s-217.0318mol/s(1.345-1)
Next Step Prepare to Evaluate
Vn=524.317-217.0318(1.345-1)
Next Step Evaluate
Vn=449.441029mol/s
LAST Step Rounding Answer
Vn=449.441mol/s

Vapor Flowrate in Rectifying Section for given Quality of Feed Formula Elements

Variables
Vapor Flowrate in Rectifying Section
Vapor Flowrate in Rectifying Section refers to the molar flowrate of the vapor component travelling through the rectifying section of a distillation column.
Symbol: Vn
Measurement: Molar Flow RateUnit: mol/s
Note: Value should be greater than 0.
Vapor Flowrate in Stripping Section
Vapor Flowrate in Stripping Section refers to the molar flowrate of the vapor component travelling through the stripping section of a distillation column.
Symbol: Vm
Measurement: Molar Flow RateUnit: mol/s
Note: Value should be greater than 0.
Feed Flowrate
Feed Flowrate is defined as the molar flowrate of the feedstock that is sent into a distillation column.
Symbol: F
Measurement: Molar Flow RateUnit: mol/s
Note: Value should be greater than 0.
Feed Quality
Feed Quality refers to the composition, properties, and condition of the feedstock entering the distillation column.
Symbol: q
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.

Other Formulas to find Vapor Flowrate in Rectifying Section

​Go Rectifying Section Flowrate of Vapor for given Quality of Feed
Vn=Vm-(q-1)F

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 Vapor Flowrate in Rectifying Section for given Quality of Feed?

Vapor Flowrate in Rectifying Section for given Quality of Feed evaluator uses Vapor Flowrate in Rectifying Section = Vapor Flowrate in Stripping Section-Feed Flowrate*(Feed Quality-1) to evaluate the Vapor Flowrate in Rectifying Section, The Vapor Flowrate in Rectifying Section for given Quality of Feed formula is defined as molar flowrate of the vapor component that travels across the rectifying section of a distillation column. Vapor Flowrate in Rectifying Section is denoted by Vn symbol.

How to evaluate Vapor Flowrate in Rectifying Section for given Quality of Feed using this online evaluator? To use this online evaluator for Vapor Flowrate in Rectifying Section for given Quality of Feed, enter Vapor Flowrate in Stripping Section (Vm), Feed Flowrate (F) & Feed Quality (q) and hit the calculate button.

FAQs on Vapor Flowrate in Rectifying Section for given Quality of Feed

What is the formula to find Vapor Flowrate in Rectifying Section for given Quality of Feed?
The formula of Vapor Flowrate in Rectifying Section for given Quality of Feed is expressed as Vapor Flowrate in Rectifying Section = Vapor Flowrate in Stripping Section-Feed Flowrate*(Feed Quality-1). Here is an example- 449.441 = 524.317-217.0318*(1.345-1).
How to calculate Vapor Flowrate in Rectifying Section for given Quality of Feed?
With Vapor Flowrate in Stripping Section (Vm), Feed Flowrate (F) & Feed Quality (q) we can find Vapor Flowrate in Rectifying Section for given Quality of Feed using the formula - Vapor Flowrate in Rectifying Section = Vapor Flowrate in Stripping Section-Feed Flowrate*(Feed Quality-1).
What are the other ways to Calculate Vapor Flowrate in Rectifying Section?
Here are the different ways to Calculate Vapor Flowrate in Rectifying Section-
  • Vapor Flowrate in Rectifying Section=Vapor Flowrate in Stripping Section-(Feed Quality-1)*Feed FlowrateOpenImg
Can the Vapor Flowrate in Rectifying Section for given Quality of Feed be negative?
No, the Vapor Flowrate in Rectifying Section for given Quality of Feed, measured in Molar Flow Rate cannot be negative.
Which unit is used to measure Vapor Flowrate in Rectifying Section for given Quality of Feed?
Vapor Flowrate in Rectifying Section for given Quality of Feed is usually measured using the Mole per Second[mol/s] for Molar Flow Rate. Kilomole per Second[mol/s], Dekamole per Second[mol/s], Mole per Minute[mol/s] are the few other units in which Vapor Flowrate in Rectifying Section for given Quality of Feed can be measured.
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