FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Feed Q-Value in Distillation Column Formula

Fx Copy

LaTeX Copy

The Q-value in Mass Transfer is defined as the moles of liquid flow in the stripping section that results from the introduction of each mole of feed. Check FAQs

q = \frac{H v-f}{λ}

q - Q-value in Mass Transfer?H_v-f - Heat Required to Convert Feed to Saturated Vapor?λ - Molal Latent Heat of Vaporization of Saturated Liq?

Feed Q-Value in Distillation Column Example

With values

With units

Only example

Here is how the Feed Q-Value in Distillation Column equation looks like with Values.

Here is how the Feed Q-Value in Distillation Column equation looks like with Units.

Here is how the Feed Q-Value in Distillation Column equation looks like.

0.6061 = \frac{1000}{1650}

0.6061 = \frac{1000J/mol}{1650J/mol}

0.6061 = \frac{1000}{1650}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Chemical Engineering » Category

Mass Transfer Operations » fx Feed Q-Value in Distillation Column

Feed Q-Value in Distillation Column Solution

Follow our step by step solution on how to calculate Feed Q-Value in Distillation Column?

FIRST Step Consider the formula

q = \frac{H v-f}{λ}

Next Step Substitute values of Variables

∴

q = \frac{1000J/mol}{1650J/mol}

Next Step Prepare to Evaluate

∴

q = \frac{1000}{1650}

Next Step Evaluate

∴

q = 0.606060606060606

LAST Step Rounding Answer

∴

q = 0.6061

Feed Q-Value in Distillation Column Formula Elements

Variables

Q-value in Mass Transfer

The Q-value in Mass Transfer is defined as the moles of liquid flow in the stripping section that results from the introduction of each mole of feed.

Symbol: q

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Q-value in Mass Transfer

Heat Required to Convert Feed to Saturated Vapor

The heat required to convert feed to saturated vapor is the enthalpy difference between the saturated vapor enthalpy of the feed and feed enthalpy at inlet.

Symbol: H_v-f

Measurement: Energy Per MoleUnit: J/mol

Note: Value should be greater than 0.

Formulas to find Heat Required to Convert Feed to Saturated Vapor

Molal Latent Heat of Vaporization of Saturated Liq

The Molal Latent Heat of Vaporization of saturated liquid is the difference in enthalpy of saturated vapor and saturated liquid of the feed.

Symbol: λ

Measurement: Energy Per MoleUnit: J/mol

Note: Value should be greater than 0.

Formulas to find Molal Latent Heat of Vaporization of Saturated Liq

Other formulas in Continuous Distillation category

Go Boil-Up Ratio

R v = \frac{V}{W}

Go External Reflux Ratio

R = \frac{L 0}{D}

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 Feed Q-Value in Distillation Column?

Feed Q-Value in Distillation Column evaluator uses Q-value in Mass Transfer = Heat Required to Convert Feed to Saturated Vapor/Molal Latent Heat of Vaporization of Saturated Liq to evaluate the Q-value in Mass Transfer, The Feed Q-Value in Distillation Column formula is defined as the ratio of the heat required to convert feed to saturated vapour to the molal latent heat of vaporization of saturated liquid. Q-value in Mass Transfer is denoted by q symbol.

How to evaluate Feed Q-Value in Distillation Column using this online evaluator? To use this online evaluator for Feed Q-Value in Distillation Column, enter Heat Required to Convert Feed to Saturated Vapor (H_v-f) & Molal Latent Heat of Vaporization of Saturated Liq (λ) and hit the calculate button.

FAQs on Feed Q-Value in Distillation Column

What is the formula to find Feed Q-Value in Distillation Column?

The formula of Feed Q-Value in Distillation Column is expressed as Q-value in Mass Transfer = Heat Required to Convert Feed to Saturated Vapor/Molal Latent Heat of Vaporization of Saturated Liq. Here is an example- 0.606061 = 1000/1650.

How to calculate Feed Q-Value in Distillation Column?

With Heat Required to Convert Feed to Saturated Vapor (H_v-f) & Molal Latent Heat of Vaporization of Saturated Liq (λ) we can find Feed Q-Value in Distillation Column using the formula - Q-value in Mass Transfer = Heat Required to Convert Feed to Saturated Vapor/Molal Latent Heat of Vaporization of Saturated Liq.

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit