Vapor Flowrate in Rectifying Section for given Quality of Feed Calculator

✖Vapor Flowrate in Stripping Section refers to the molar flowrate of the vapor component travelling through the stripping section of a distillation column.ⓘ Vapor Flowrate in Stripping Section [V_m]			+10% -10%
✖Feed Flowrate is defined as the molar flowrate of the feedstock that is sent into a distillation column.ⓘ Feed Flowrate [F]			+10% -10%
✖Feed Quality refers to the composition, properties, and condition of the feedstock entering the distillation column.ⓘ Feed Quality [q]			+10% -10%

✖Vapor Flowrate in Rectifying Section refers to the molar flowrate of the vapor component travelling through the rectifying section of a distillation column.ⓘ Vapor Flowrate in Rectifying Section for given Quality of Feed [V_n]

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Vapor Flowrate in Rectifying Section for given Quality of Feed

Formula

`"V"_{"n"} = "V"_{"m"}-"F"*("q"-1)`

Example

`"449.441mol/s"="524.317mol/s"-"217.0318mol/s"*("1.345"-1)`

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Vapor Flowrate in Rectifying Section for given Quality of Feed Solution

STEP 0: Pre-Calculation Summary

Formula Used

Vapor Flowrate in Rectifying Section = Vapor Flowrate in Stripping Section-Feed Flowrate*(Feed Quality-1)
V_n = V_m-F*(q-1)
This formula uses 4 Variables

Variables Used

Vapor Flowrate in Rectifying Section - (Measured in Mole per Second) - Vapor Flowrate in Rectifying Section refers to the molar flowrate of the vapor component travelling through the rectifying section of a distillation column.
Vapor Flowrate in Stripping Section - (Measured in Mole per Second) - Vapor Flowrate in Stripping Section refers to the molar flowrate of the vapor component travelling through the stripping section of a distillation column.
Feed Flowrate - (Measured in Mole per Second) - Feed Flowrate is defined as the molar flowrate of the feedstock that is sent into a distillation column.
Feed Quality - Feed Quality refers to the composition, properties, and condition of the feedstock entering the distillation column.

STEP 1: Convert Input(s) to Base Unit

Vapor Flowrate in Stripping Section: 524.317 Mole per Second --> 524.317 Mole per Second No Conversion Required
Feed Flowrate: 217.0318 Mole per Second --> 217.0318 Mole per Second No Conversion Required
Feed Quality: 1.345 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_n = V_m-F*(q-1) --> 524.317-217.0318*(1.345-1)

Evaluating ... ...

V_n = 449.441029

STEP 3: Convert Result to Output's Unit

449.441029 Mole per Second --> No Conversion Required

FINAL ANSWER

449.441029 ≈ 449.441 Mole per Second <-- Vapor Flowrate in Rectifying Section

(Calculation completed in 00.004 seconds)

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Malviya National Institute Of Technology (MNIT JAIPUR ), JAIPUR

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< 25 Distillation Tower Design Calculators

Relative Volatility of Two Components Based on Normal Boiling Point and Latent Heat of Vaporization

Go Relative Volatility = exp(0.25164*((1/Normal Boiling Point of Component 1)-(1/Normal Boiling Point of Component 2))*(Latent Heat of Vaporization of Component 1+Latent Heat of Vaporization of Component 2))

Maximum Allowable Vapor Velocity given Plate Spacing and Fluid Densities

Go Maximum Allowable Vapor Velocity = (-0.171*(Plate Spacing)^2+0.27*Plate Spacing-0.047)*((Liquid Density-Vapor Density in Distillation)/Vapor Density in Distillation)^0.5

Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity

Go Column Diameter = sqrt((4*Vapor Mass Flowrate)/(pi*Vapor Density in Distillation*Maximum Allowable Vapor Velocity))

Tower Cross Sectional Area given Gas Volumetric Flow and Flooding Velocity

Go Tower Cross Sectional Area = Volumetric Gas Flow/((Fractional Approach to Flooding Velocity*Flooding Velocity)*(1-Fractional Downcomer Area))

Minimum External Reflux given Compositions

Go External Reflux Ratio = (Distillate Composition-Equilibrium Vapor Composition)/(Equilibrium Vapor Composition-Equilibrium Liquid Composition)

Maximum Allowable Mass Velocity using Bubble Cap Trays

Go Maximum Allowable Mass Velocity = Entrainment Factor*(Vapor Density in Distillation*(Liquid Density-Vapor Density in Distillation)^(1/2))

Minimum Internal Reflux given Compositions

Go Internal Reflux Ratio = (Distillate Composition-Equilibrium Vapor Composition)/(Distillate Composition-Equilibrium Liquid Composition)

Dry Plate Pressure Drop in Distillation Column Design

Go Dry Plate Head Loss = 51*((Vapor Velocity Based on Hole Area/Orifice Coefficient)^2)*(Vapor Density in Distillation/Liquid Density)

Flooding Velocity in Distillation Column Design

Go Flooding Velocity = Capacity Factor*((Liquid Density-Vapor Density in Distillation)/Vapor Density in Distillation)^0.5

Weep Point Velocity in Distillation Column Design

Go Weep Point Vapor Velocity Based on Hole Area = (Weep Point Correlation Constant-0.90*(25.4-Hole Diameter))/((Vapor Density in Distillation)^0.5)

Liquid Vapor Flow Factor in Distillation Column Design

Go Flow Factor = (Liquid Mass Flowrate/Vapor Mass Flowrate)*((Vapor Density in Distillation/Liquid Density)^0.5)

Downcomer Residence Time in Distillation Column

Go Residence Time = (Downcomer Area*Clear Liquid Backup*Liquid Density)/Liquid Mass Flowrate

Internal Reflux Ratio Based on Liquid and Distillate Flowrates

Go Internal Reflux Ratio = Liquid Reflux Flowrate/(Liquid Reflux Flowrate+Distillate Flowrate)

Column Diameter Based on Vapor Flowrate and Mass Velocity of Vapor

Go Column Diameter = ((4*Vapor Mass Flowrate)/(pi*Maximum Allowable Mass Velocity))^(1/2)

Head Loss in Downcomer of Tray Tower

Go Downcomer Headloss = 166*((Liquid Mass Flowrate/(Liquid Density*Downcomer Area)))^2

Height of Liquid Crest over Weir

Go Weir Crest = (750/1000)*((Liquid Mass Flowrate/(Weir Length*Liquid Density))^(2/3))

Active Area given Gas Volumetric Flow and Flow Velocity

Go Active Area = Volumetric Gas Flow/(Fractional Downcomer Area*Flooding Velocity)

Fractional Downcomer Area given Total Cross Sectional Area

Go Fractional Downcomer Area = 2*(Downcomer Area/Tower Cross Sectional Area)

Fractional Active Area given Downcomer Area and Total Column Area

Go Fractional Active Area = 1-2*(Downcomer Area/Tower Cross Sectional Area)

Internal Reflux Ratio Given External Reflux Ratio

Go Internal Reflux Ratio = External Reflux Ratio/(External Reflux Ratio+1)

Tower Cross Sectional Area given Fractional Active Area

Go Tower Cross Sectional Area = Active Area/(1-Fractional Downcomer Area)

Tower Cross Sectional Area given Active Area

Go Tower Cross Sectional Area = Active Area/(1-Fractional Downcomer Area)

Clearance Area under Downcomer given Weir Length and Apron Height

Go Clearance Area Under Downcomer = Apron Height*Weir Length

Fractional Active Area given Fractional Downcomer Area

Go Fractional Active Area = 1-Fractional Downcomer Area

Residual Head Loss in Pressure in Distillation Column

Go Residual Head Loss = (12.5*10^3)/Liquid Density

Vapor Flowrate in Rectifying Section for given Quality of Feed Formula

Vapor Flowrate in Rectifying Section = Vapor Flowrate in Stripping Section-Feed Flowrate*(Feed Quality-1)
V_n = V_m-F*(q-1)

What is Stripping section and Rectifying section in Distillation Column?

In a distillation column, which is a key unit in chemical and petrochemical processes for separating liquid mixtures into their individual components, there are two main sections: the Stripping Section (also known as the Reboiler Section) and the Rectifying Section (also known as the Condenser Section). Location: The Stripping Section is located at the bottom of the distillation column. Function: The primary function of the Stripping Section is to vaporize the components with higher boiling points from the liquid mixture. This is achieved by providing heat, often through a reboiler, which causes the liquid to boil and generate vapor. The vapor rises through the column, carrying with it the less volatile components. Location: The Rectifying Section is situated at the top of the distillation column. Function: The primary function of the Rectifying Section is to condense the vapor rising from the Stripping Section back into liquid.

How to Calculate Vapor Flowrate in Rectifying Section for given Quality of Feed?

Vapor Flowrate in Rectifying Section for given Quality of Feed calculator uses Vapor Flowrate in Rectifying Section = Vapor Flowrate in Stripping Section-Feed Flowrate*(Feed Quality-1) to calculate 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 V_n symbol.

How to calculate Vapor Flowrate in Rectifying Section for given Quality of Feed using this online calculator? To use this online calculator for Vapor Flowrate in Rectifying Section for given Quality of Feed, enter Vapor Flowrate in Stripping Section (V_m), Feed Flowrate (F) & Feed Quality (q) and hit the calculate button. Here is how the Vapor Flowrate in Rectifying Section for given Quality of Feed calculation can be explained with given input values -> 449.441 = 524.317-217.0318*(1.345-1).

FAQ

What is Vapor Flowrate in Rectifying Section for given Quality of Feed?

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 and is represented as V_n = V_m-F*(q-1) or Vapor Flowrate in Rectifying Section = Vapor Flowrate in Stripping Section-Feed Flowrate*(Feed Quality-1). Vapor Flowrate in Stripping Section refers to the molar flowrate of the vapor component travelling through the stripping section of a distillation column, Feed Flowrate is defined as the molar flowrate of the feedstock that is sent into a distillation column & Feed Quality refers to the composition, properties, and condition of the feedstock entering the distillation column.

How to calculate Vapor Flowrate in Rectifying Section for given Quality of Feed?

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 is calculated using Vapor Flowrate in Rectifying Section = Vapor Flowrate in Stripping Section-Feed Flowrate*(Feed Quality-1). To calculate Vapor Flowrate in Rectifying Section for given Quality of Feed, you need Vapor Flowrate in Stripping Section (V_m), Feed Flowrate (F) & Feed Quality (q). With our tool, you need to enter the respective value for Vapor Flowrate in Stripping Section, Feed Flowrate & Feed Quality 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 Vapor Flowrate in Rectifying Section?

In this formula, Vapor Flowrate in Rectifying Section uses Vapor Flowrate in Stripping Section, Feed Flowrate & Feed Quality. We can use 1 other way(s) to calculate the same, which is/are as follows -

Vapor Flowrate in Rectifying Section = Vapor Flowrate in Stripping Section-(Feed Quality-1)*Feed Flowrate

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