Process Engineering Reference Sheets by MyEngineeringTools.com
THE CALCULATORS

Gas Holdup Calculation

Calculates the volumetric fraction of gas dispersed in a liquid (gas hold-up) within an aerated vessel based on bubble-free and aerated broth densities.

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1. Define Input Parameters

2. Engineering Output

Gas holdup (eps_g)
- dimensionless

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Context & Assumptions

Gas hold-up is a critical parameter in fermentation and biochemical processes, directly influencing oxygen transfer rates and bioreactor performance. Accurate knowledge of this volumetric fraction enables proper scale-up, energy optimization, and process control in stirred-tank and bubble-column reactors.

Understand the Engineering Principles

Review the step-by-step derivations, typical industrial limits, and scale-up rules.

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