Overall Efficiency of Distillation Column Calculator

✖Ideal Number of Plates in separation processes is a stage in which two phases, such as the liquid and vapor phases establish equilibrium with each other.ⓘ Ideal Number of Plates [N_th]			+10% -10%
✖Actual Number of Plates is the number of trays required for the specified separation is the minimum which can be obtained by stepping off the trays from the distillate to the bottoms.ⓘ Actual Number of Plates [N_ac]			+10% -10%

✖Overall Efficiency of Distillation Column is defined as the ratio of number of Ideal Plates to the number of Actual Plates.ⓘ Overall Efficiency of Distillation Column [E_overall]

⎘ Copy

👎

Formula

✖

Overall Efficiency of Distillation Column

Formula

`"E"_{"overall"} = ("N"_{"th"}/"N"_{"ac"})*100`

Example

`"37.73585"=("20"/"53")*100`

Calculator

LaTeX

Reset

👍

Download Distillation Formula PDF

Overall Efficiency of Distillation Column Solution

STEP 0: Pre-Calculation Summary

Formula Used

Overall Efficiency of Distillation Column = (Ideal Number of Plates/Actual Number of Plates)*100
E_overall = (N_th/N_ac)*100
This formula uses 3 Variables

Variables Used

Overall Efficiency of Distillation Column - Overall Efficiency of Distillation Column is defined as the ratio of number of Ideal Plates to the number of Actual Plates.
Ideal Number of Plates - Ideal Number of Plates in separation processes is a stage in which two phases, such as the liquid and vapor phases establish equilibrium with each other.
Actual Number of Plates - Actual Number of Plates is the number of trays required for the specified separation is the minimum which can be obtained by stepping off the trays from the distillate to the bottoms.

STEP 1: Convert Input(s) to Base Unit

Ideal Number of Plates: 20 --> No Conversion Required
Actual Number of Plates: 53 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

E_overall = (N_th/N_ac)*100 --> (20/53)*100

Evaluating ... ...

E_overall = 37.7358490566038

STEP 3: Convert Result to Output's Unit

37.7358490566038 --> No Conversion Required

FINAL ANSWER

37.7358490566038 ≈ 37.73585 <-- Overall Efficiency of Distillation Column

(Calculation completed in 00.004 seconds)

You are here -

Home » Engineering » Chemical Engineering » Mass Transfer Operations » Distillation » Continuous Distillation » Overall Efficiency of Distillation Column

Credits

Created by Ayush gupta

University School of Chemical Technology-USCT (GGSIPU), New Delhi

Ayush gupta has created this Calculator and 300+ more calculators!

Verified by swetha samavedam

Delhi Technological University (DTU), delhi

swetha samavedam has verified this Calculator and 10 more calculators!

< 13 Continuous Distillation Calculators

Minimum Number of Distillation Stages by Fenske's Equation

Go Minimum Number of Stages = ((log10((Mole Fraction of More Volatile Comp in Distillate*(1-Mole Fraction of More Volatile Comp in Residue))/(Mole Fraction of More Volatile Comp in Residue*(1-Mole Fraction of More Volatile Comp in Distillate))))/(log10(Average Relative Volatility)))-1

Murphree Efficiency of Distillation Column Based on Vapour Phase

Go Murphree Efficiency of Distillation Column = ((Average Mole Fraction of Vapour on Nth Plate-Average Mole Fraction of Vapour at N+1 Plate)/(Average Mole Fraction at Equilibrium on Nth Plate-Average Mole Fraction of Vapour at N+1 Plate))*100

Feed Q-Value in Distillation Column

Go Q-value in Mass Transfer = Heat Required to Convert Feed to Saturated Vapor/Molal Latent Heat of Vaporization of Saturated Liq

Internal Liquid Reflux Flowrate based on Internal Reflux Ratio

Go Internal Reflux Flowrate to Distillation Column = Internal Reflux Ratio*Distillate Flowrate from Distillation Column

Liquid Reflux Flowrate based on External Reflux Ratio

Go External Reflux Flowrate to Distillation Column = External Reflux Ratio*Distillate Flowrate from Distillation Column

Distillate Flowrate based on External Reflux Ratio

Go Distillate Flowrate from Distillation Column = External Reflux Flowrate to Distillation Column/External Reflux Ratio

Distillate Flowrate based on Internal Reflux Ratio

Go Distillate Flowrate from Distillation Column = Internal Reflux Flowrate to Distillation Column/Internal Reflux Ratio

External Reflux Ratio

Go External Reflux Ratio = External Reflux Flowrate to Distillation Column/Distillate Flowrate from Distillation Column

Internal Reflux Ratio

Go Internal Reflux Ratio = Internal Reflux Flowrate to Distillation Column/Distillate Flowrate from Distillation Column

Bottom Product based on Boil-up Ratio

Go Residue Flowrate from Distillation Column = Boil-Up Flowrate to the Distillation Column/Boil-Up Ratio

Vapor Reflux based on Boil-Up Ratio

Go Boil-Up Flowrate to the Distillation Column = Boil-Up Ratio*Residue Flowrate from Distillation Column

Boil-Up Ratio

Go Boil-Up Ratio = Boil-Up Flowrate to the Distillation Column/Residue Flowrate from Distillation Column

Overall Efficiency of Distillation Column

Go Overall Efficiency of Distillation Column = (Ideal Number of Plates/Actual Number of Plates)*100

< 20 Important Formulas in Distillation Mass Transfer Operation Calculators

Total Steam Required to Vaporize Volatile Component

Go Total Steam Required to Vaporize Volatile Comp = (((Total Pressure of System/(Vaporizing Efficiency*Vapor Pressure of Volatile Component))-1)*(Initial Moles of Volatile Component-Final Moles of Volatile Component))+((Total Pressure of System*Moles of Non-Volatile Component/(Vaporizing Efficiency*Vapor Pressure of Volatile Component))*ln(Initial Moles of Volatile Component/Final Moles of Volatile Component))

Moles of Volatile component Volatilized from mixture of Non-Volatiles by Steam

Go Moles of Volatile Component = Moles of Steam*((Vaporizing Efficiency*Mole Fraction of Volatile Comp in Non-Volatiles*Vapor Pressure of Volatile Component)/(Total Pressure of System-Vaporizing Efficiency*Mole Fraction of Volatile Comp in Non-Volatiles*Vapor Pressure of Volatile Component))

Minimum Number of Distillation Stages by Fenske's Equation

Mole Fraction of MVC in Feed from Overall and Component Material Balance in Distillation

Go Mole Fraction of More Volatile Component in Feed = (Distillate Flowrate*Mole Fraction of More Volatile Comp in Distillate+Residue Flowrate from Distillation Column*Mole Fraction of More Volatile Comp in Residue)/(Distillate Flowrate+Residue Flowrate from Distillation Column)

Moles of Volatile component Volatilized from mixture of Non-Volatiles by Steam at Equilibrium

Go Moles of Volatile Component = Moles of Steam*(Mole Fraction of Volatile Comp in Non-Volatiles*Vapor Pressure of Volatile Component/(Total Pressure of System-Mole Fraction of Volatile Comp in Non-Volatiles*Vapor Pressure of Volatile Component))

Moles of Volatile component Volatilized by Steam with Trace amounts of Non-Volatiles

Go Moles of Volatile Component = Moles of Steam*((Vaporizing Efficiency*Vapor Pressure of Volatile Component)/(Total Pressure of System-(Vaporizing Efficiency*Vapor Pressure of Volatile Component)))

Murphree Efficiency of Distillation Column Based on Vapour Phase

Relative Volatility using Mole Fraction

Go Relative Volatility = (Mole Fraction of Component in Vapor Phase/(1-Mole Fraction of Component in Vapor Phase))/(Mole Fraction of Component in Liquid Phase/(1-Mole Fraction of Component in Liquid Phase))

Total Pressure using Mole Fraction and Saturated Pressure

Go Total Pressure of Gas = (Mole Fraction of MVC in Liq Phase*Partial Pressure of More Volatile Component)+((1-Mole Fraction of MVC in Liq Phase)*Partial Pressure of Less Volatile Component)

Moles of Volatile component Volatilized by Steam with Trace amounts of Non-Volatiles at Equilibrium

Go Moles of Volatile Component = Moles of Steam*(Vapor Pressure of Volatile Component/(Total Pressure of System-Vapor Pressure of Volatile Component))

Feed Q-Value in Distillation Column

Go Q-value in Mass Transfer = Heat Required to Convert Feed to Saturated Vapor/Molal Latent Heat of Vaporization of Saturated Liq

Relative Volatility using Vapour Pressure

Go Relative Volatility = Saturated Vapour Pressure of More Volatile Comp/Saturated Vapour Pressure of Less Volatile Comp

External Reflux Ratio

Go External Reflux Ratio = External Reflux Flowrate to Distillation Column/Distillate Flowrate from Distillation Column

Internal Reflux Ratio

Go Internal Reflux Ratio = Internal Reflux Flowrate to Distillation Column/Distillate Flowrate from Distillation Column

Equilibrium Vaporization Ratio for Less Volatile Component

Go Equilibrium Vaporization Ratio of LVC = Mole Fraction of LVC in Vapor Phase/Mole Fraction of LVC in Liquid Phase

Equilibrium Vaporization Ratio for More Volatile Component

Go Equilibrium Vaporization Ratio of MVC = Mole Fraction of MVC in Vapor Phase/Mole Fraction of MVC in Liquid Phase

Boil-Up Ratio

Go Boil-Up Ratio = Boil-Up Flowrate to the Distillation Column/Residue Flowrate from Distillation Column

Total Feed Flowrate of Distillation Column from Overall Material Balance

Go Feed Flowrate to Distillation Column = Distillate Flowrate+Residue Flowrate from Distillation Column

Relative Volatility using Equilibrium Vaporization Ratio

Go Relative Volatility = Equilibrium Vaporization Ratio of MVC/Equilibrium Vaporization Ratio of LVC

Overall Efficiency of Distillation Column

Go Overall Efficiency of Distillation Column = (Ideal Number of Plates/Actual Number of Plates)*100

Overall Efficiency of Distillation Column Formula

Overall Efficiency of Distillation Column = (Ideal Number of Plates/Actual Number of Plates)*100
E_overall = (N_th/N_ac)*100

What is Efficiency ?

Column efficiency (EO) is expressed as the ratio of the number of theoretical stages to the number of actual stages, and if this value is known, the number of actual stages can be determined.

What is Mass Transfer?

Mass transfer is a transport of components under a chemical potential gradient. The component moves to the direction of reducing concentration gradient. The transport occurs from a region of higher concentration to lower concentration.

How to Calculate Overall Efficiency of Distillation Column?

Overall Efficiency of Distillation Column calculator uses Overall Efficiency of Distillation Column = (Ideal Number of Plates/Actual Number of Plates)*100 to calculate the Overall Efficiency of Distillation Column, The Overall Efficiency of Distillation Column. formula is defined as the ratio of number of ideal plates to actual plates. Overall Efficiency of Distillation Column is denoted by E_overall symbol.

How to calculate Overall Efficiency of Distillation Column using this online calculator? To use this online calculator for Overall Efficiency of Distillation Column, enter Ideal Number of Plates (N_th) & Actual Number of Plates (N_ac) and hit the calculate button. Here is how the Overall Efficiency of Distillation Column calculation can be explained with given input values -> 37.73585 = (20/53)*100.

FAQ

What is Overall Efficiency of Distillation Column?

The Overall Efficiency of Distillation Column. formula is defined as the ratio of number of ideal plates to actual plates and is represented as E_overall = (N_th/N_ac)*100 or Overall Efficiency of Distillation Column = (Ideal Number of Plates/Actual Number of Plates)*100. Ideal Number of Plates in separation processes is a stage in which two phases, such as the liquid and vapor phases establish equilibrium with each other & Actual Number of Plates is the number of trays required for the specified separation is the minimum which can be obtained by stepping off the trays from the distillate to the bottoms.

How to calculate Overall Efficiency of Distillation Column?

The Overall Efficiency of Distillation Column. formula is defined as the ratio of number of ideal plates to actual plates is calculated using Overall Efficiency of Distillation Column = (Ideal Number of Plates/Actual Number of Plates)*100. To calculate Overall Efficiency of Distillation Column, you need Ideal Number of Plates (N_th) & Actual Number of Plates (N_ac). With our tool, you need to enter the respective value for Ideal Number of Plates & Actual Number of Plates and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

Home

FREE PDFs

🔍 Search