Constant Rate Filtration Analysis
Calculates the pressure drop profile, maximum filtrate volume, and operating time for a constant rate filtration process in a plate and frame filter press.
š Need the theory? Read the methodology, assumptions, and equations in the full reference guide.
1. Define Input Parameters
2. Engineering Output
Pressure Drop Intercept (b)
- Pa
- Pa
Pressure Drop Slope (a)
- Pa/mĀ³
- Pa/mĀ³
Filtrate Volume at Max Pressure (V)
- mĀ³
- mĀ³
Time to Reach Max Pressure (t)
- s
- s
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Download Offline Excel CalculationContext & Assumptions
Constant rate filtration is a fundamental solid-liquid separation process where a positive displacement pump maintains a steady flow, resulting in a linear pressure increase as the filter cake accumulates. This analysis is essential for sizing filter presses and determining the optimal cycle time before reaching mechanical pressure limits.
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