AmberLite FPA52

Summary

Product Identification

• Product Name: DuPont™ AmberLite™ FPA52 Ion Exchange Resins
• Type: Food Processing Grade, Macroporous, Weak Base Anion Resin
• Copolymer: Styrene-divinylbenzene
• Matrix: Macroporous
• Functional Group: Tertiary amine
• Physical Form: Off-white, opaque, spherical beads
• Ionic Form as Shipped: Free base (FB)

Chemical Properties

• Total Exchange Capacity: ≥ 1.6 eq/L
• Weak Base Capacity: ≥ 1.3 eq/L
• Water Retention Capacity: 40 – 50%

Physical Properties

• Particle Size (Harmonic Mean Diameter): 580 – 780 µm
• Uniformity Coefficient: ≤ 1.8
• Particles < 355 µm: ≤ 3.0%
• Swelling (FB → HCl): ≤ 25%
• Particle Density: 1.05 g/mL
• Shipping Weight: 660 g/L

Suggested Operating Conditions

• Maximum Operating Temperature (FB-form): 90°C (194°F)
• Service Flowrate: 2 – 8 BV*/h
• Regeneration Contact Time: ≥ 30 – 45 minutes

Regeneration

• Regenerants: NaOH†, Na₂CO₃, NH₃
• Concentrations:
  • NaOH: 2 – 6%
  • Na₂CO₃: 5 – 8%
  • NH₃: 7%
• Levels:
  • NaOH: 40 – 80 kg/m³ (2.5 – 5 lb/ft³)
  • Na₂CO₃: 60 – 130 kg/m³ (3.8 – 8.1 lb/ft³)
  • NH₃: 40 – 80 kg/m³ (2.5 – 5 lb/ft³)

*1 BV (Bed Volume) = 1 m³ solution per m³ resin or 7.5 gal per ft³ resin † NaOH is recommended. ‡ Regeneration level may be lower for counter-current regeneration systems.

Hydraulic Characteristics

• Temperature Range for Figures 1 & 2: 5 – 60°C (41 – 140°F)
• Viscosity Range for Figures 1 & 2: 2 – 14 cP

Applications

• Lysine production
• Juice demineralization/deacidification
• Gelatin demineralization
• Amino acid recovery

Disclaimer: Extraction may miss figures, footnotes, or revisions; contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror