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Gas Flowrate on Solute Free Basis for Inlet Conditions by Solute Free Mole Fraction Calculator

Gas Flowrate on Solute Free Basis Formula:

\[ G_s = \frac{G_{N+1}}{1 + Y_{N+1}} \]

mol/s
mol/s

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1. What is Gas Flowrate on Solute Free Basis?

Definition: This calculator determines the solute-free gas flowrate entering an absorption column based on the total inlet gas flowrate and the solute mole fraction.

Purpose: It helps chemical engineers and process designers calculate the actual carrier gas flowrate excluding the solute component.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ G_s = \frac{G_{N+1}}{1 + Y_{N+1}} \]

Where:

Explanation: The formula adjusts the total gas flowrate by removing the solute component based on its mole fraction.

3. Importance of Solute Free Flowrate Calculation

Details: Accurate calculation is essential for designing absorption columns, determining mass transfer rates, and calculating column diameters.

4. Using the Calculator

Tips: Enter the total inlet gas flowrate in mol/s and the solute-free mole fraction (must be ≥ 0). The mole fraction represents the ratio of solute moles to carrier gas moles.

5. Frequently Asked Questions (FAQ)

Q1: Why calculate solute-free flowrate?
A: It represents the actual carrier gas flowrate, which is important for mass balance calculations in absorption processes.

Q2: What's a typical range for YN+1?
A: Typically between 0.01-0.1 for most industrial applications, but can be higher for concentrated gas streams.

Q3: How do I find the inlet gas flowrate?
A: This is usually measured or specified based on process requirements and feed conditions.

Q4: What if my mole fraction is zero?
A: If YN+1 = 0, the solute-free flowrate equals the total flowrate (no solute present).

Q5: Can this be used for other unit operations?
A: Yes, the concept applies to any gas-liquid contacting operation where solute-free basis calculations are needed.

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