AmberLite FPA22

Summary

Product identification

AmberLite™ FPA22 Ion Exchange Resins are macroporous, Type II strong base anion resins designed for mixed bed polishing in sweetener applications.

Applications

• Sweetener mixed bed polishing

Typical Properties

Physical Properties

• Copolymer: Styrene-divinylbenzene
• Matrix: Macroporous
• Type: Strong base anion, Type II
• Functional Group: Dimethylethanolamine
• Physical Form: White to yellow, opaque, spherical beads

Chemical Properties

• Ionic Form as Shipped:
  • OH⁻
  • Cl⁻
• Total Exchange Capacity: ≥ 1.2 eq/L (Cl⁻ form)
• Water Retention Capacity:
  • 46 – 56% (Cl⁻ form)
  • 48 – 56%
• Particle Size:
  • < 300 µm: ≤ 2% (OH⁻ form), ≤ 1% (Cl⁻ form)

  • 1180 µm: ≤ 5% (OH⁻ form), ≤ 2% (Cl⁻ form)

• Stability (Whole Beads): ≥ 95%
• Swelling (Cl⁻ → OH⁻): 12%
• Density:
  • Particle Density: 1.1 g/mL
  • Shipping Weight: 800 g/L

Suggested Operating Conditions

• Maximum Operating Temperature (OH⁻ form): 46°C (115°F)
• pH Range: 0 – 14
• Bed Depth, min.: 910 mm (3.0 ft)
• Flowrates:
  • Service: 3 – 5 BV*/h
  • Fast Rinse (if applicable): 2 – 10 BV/h
• Contact Time:
  • Regeneration: ≥ 30 – 45 minutes
  • Displacement Rinse: ≥ 30 – 45 minutes
• Total Rinse Requirement: 3 – 6 BV
• Regenerant:
  • NaOH†:
    • Concentration: 4%
    • Level: 64 – 80 kg/m³ (4 – 5 lb/ft³)
    • Temperature, max.: 46°C (115°F)
  • Na₂CO₃:
    • Concentration: 7%
    • Level: 80 – 96 kg/m³ (5 – 6 lb/ft³)
    • Temperature, max.: 46°C (115°F)

* 1 BV (Bed Volume) = 1 m³ solution per m³ resin or 7.5 gal per ft³ resin † NaOH is recommended.

Hydraulic Characteristics

• Backwash expansion is shown in Figure 1 as a function of backwash flowrate at 25°C (77°F).
• Pressure drop data as a function of service flowrate and viscosity is shown in Figure 2.

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