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Boil-Up Ratio Formula

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The Boil-Up Ratio is defined as the ratio of molar flowrate of vapour leaving the reboiler back into the column to the molar flowrate of liquid drawn out as bottom product. Check FAQs

R v = \frac{V}{W}

R_v - Boil-Up Ratio?V - Boil-Up Flowrate to the Distillation Column?W - Residue Flowrate from Distillation Column?

Boil-Up Ratio Example

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Here is how the Boil-Up Ratio equation looks like with Values.

Here is how the Boil-Up Ratio equation looks like with Units.

Here is how the Boil-Up Ratio equation looks like.

1.8667 = \frac{11.2}{6}

1.8667 = \frac{11.2mol/s}{6mol/s}

1.8667 = \frac{11.2}{6}

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Boil-Up Ratio Solution

Follow our step by step solution on how to calculate Boil-Up Ratio?

FIRST Step Consider the formula

R v = \frac{V}{W}

Next Step Substitute values of Variables

∴

R v = \frac{11.2mol/s}{6mol/s}

Next Step Prepare to Evaluate

∴

R v = \frac{11.2}{6}

Next Step Evaluate

∴

R v = 1.86666666666667

LAST Step Rounding Answer

∴

R v = 1.8667

Boil-Up Ratio Formula Elements

Variables

Boil-Up Ratio

The Boil-Up Ratio is defined as the ratio of molar flowrate of vapour leaving the reboiler back into the column to the molar flowrate of liquid drawn out as bottom product.

Symbol: R_v

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Boil-Up Ratio

Boil-Up Flowrate to the Distillation Column

The Boil-Up Flowrate to the Distillation Column is the vapour's molar flowrate, leaving the reboiler back into the distillation column.

Symbol: V

Measurement: Molar Flow RateUnit: mol/s

Note: Value should be greater than 0.

Formulas to find Boil-Up Flowrate to the Distillation Column

Residue Flowrate from Distillation Column

The Residue flowrate from Distillation Column is the amount of moles of bottom liquid product (Residue) flowing out from the column per unit time.

Symbol: W

Measurement: Molar Flow RateUnit: mol/s

Note: Value should be greater than 0.

Formulas to find Residue Flowrate from Distillation Column

Other formulas in Continuous Distillation category

Go External Reflux Ratio

R = \frac{L 0}{D}

Go Feed Q-Value in Distillation Column

q = \frac{H v-f}{λ}

Go Internal Reflux Ratio

R Internal = \frac{L}{D}

Go Minimum Number of Distillation Stages by Fenske's Equation

N m = (\frac{\log 10 (\frac{x D \cdot (1 - x W)}{x W \cdot (1 - x D)})}{\log 10 (α avg)}) - 1

How to Evaluate Boil-Up Ratio?

Boil-Up Ratio evaluator uses Boil-Up Ratio = Boil-Up Flowrate to the Distillation Column/Residue Flowrate from Distillation Column to evaluate the Boil-Up Ratio, The Boil-Up Ratio formula is defined as the ratio of the moles of vapour leaving the reboiler back into the distillation column to the moles of liquid drawn out as bottom product from the distillation column. Boil-Up Ratio is denoted by R_v symbol.

How to evaluate Boil-Up Ratio using this online evaluator? To use this online evaluator for Boil-Up Ratio, enter Boil-Up Flowrate to the Distillation Column (V) & Residue Flowrate from Distillation Column (W) and hit the calculate button.

FAQs on Boil-Up Ratio

What is the formula to find Boil-Up Ratio?

The formula of Boil-Up Ratio is expressed as Boil-Up Ratio = Boil-Up Flowrate to the Distillation Column/Residue Flowrate from Distillation Column. Here is an example- 1.866667 = 11.2/6.

How to calculate Boil-Up Ratio?

With Boil-Up Flowrate to the Distillation Column (V) & Residue Flowrate from Distillation Column (W) we can find Boil-Up Ratio using the formula - Boil-Up Ratio = Boil-Up Flowrate to the Distillation Column/Residue Flowrate from Distillation Column.

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Boil-Up Ratio Formula

Boil-Up Ratio Example

Boil-Up Ratio Solution

Boil-Up Ratio Formula Elements

Other formulas in Continuous Distillation category

How to Evaluate Boil-Up Ratio?

FAQs on Boil-Up Ratio

Variable Name