Fouling of Ion Exchange Resins
Calculates superficial velocity, particle Reynolds number, clean and fouled pressure drops via the Ergun equation, pressure rise percentage, and capacity loss percentage for fixed-bed ion exchange resin columns.
📖 Need the theory? Read the methodology, assumptions, and equations in the full reference guide.
1. Define Input Parameters
2. Engineering Output
Cross-sectional area (A)
- m^2
- m^2
Superficial velocity (m/s) (v)
- m/s
- m/s
Particle Reynolds number (Rep)
- dimensionless
- dimensionless
Clean baseline pressure drop (dP_0)
- bar
- bar
Fouled pressure drop (dP_f)
- bar
- bar
Pressure rise percentage (Pressure_Rise)
- %
- %
Capacity loss percentage (Capacity_Loss)
- %
- %
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Download Offline Excel CalculationContext & Assumptions
In fixed-bed syrup purification and ion exchange columns, organic fouling causes caramelized sugars and high-molecular-weight compounds to deposit onto resin beads, reducing interstitial void space and active sites. Monitoring the pressure drop and operating capacity helps diagnose fouling and dictate appropriate chemical cleaning intervals.
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