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Expression Pressure-Volume Relationship

Calculates equilibrium cake volume, liquid expelled, and expression efficiency for compressible cakes under applied pressure using an exponential decay model.

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1. Define Input Parameters

2. Engineering Output

Compression Potential (dVmax)
- L
Equilibrium Cake Volume (V)
- L
Liquid Expelled (Vexpelled)
- L
Expression Efficiency (eta)
- %

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Context & Assumptions

The Expression Pressure-Volume relationship is a fundamental model in Process Engineering used to predict the mechanical dewatering of porous, compressible solid cakes. This calculation is critical in industries such as food processing (e.g., fruit juice extraction from pomace), wastewater treatment (sludge dewatering), and chemical manufacturing (oilseed processing).

Understand the Engineering Principles

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

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