Amberlite IRA67

Summary

Product identification

• Product Name: AMBERLITE™ IRA67
• Product Type: Industrial Grade Weak Base Anion Exchanger
• Matrix: Crosslinked acrylic gel structure
• Functional group: Tertiary amine
• Ionic form as shipped: Free Base (FB)
• Physical form: Translucent white spherical beads

Properties

• Total exchange capacity: ≥ 1.60 eq/L (FB form) [1]
• Moisture holding capacity: 56 to 64 % (FB form) [1]
• Shipping weight: 700 g/L
• Particle size:
  • Uniformity coefficient: ≤ 1.80 [1]
  • Harmonic mean size: 0.500 – 0.750 mm [1]
  • Less than 0.300 mm: 3.0 % max [1]
• Reversible swelling: FB → Cl⁻ ≤ 30 %

[1] Contractual value

Suggested Operating Conditions

• Maximum operating temperature: 60 °C
• Minimum bed depth: 700 mm
• Service flow rate: 5 to 40 BV*/h

Regeneration

• Regenerant: NaOH
• Level: 130 % of ionic load
• Concentration: 2 to 4 %
• Minimum contact time: 30 minutes
• Slow rinse: 2 BV at regeneration flow rate
• Fast rinse: 8 to 16 BV at 10 BV/h

*1 BV (Bed Volume) = 1 m³ solution per m³ resin

Performance

• Operating capacity: Depends on water composition (CO₂ and SO₄ content), specific flow rate, and ionic load. Offers 15 to 30 % higher operating capacity than polystyrenic weak base resins.
• Regeneration: Optimum regeneration with caustic soda equivalent to 120 to 140 % of the operating capacity is suggested.
• Organic matter: Offers large reversible capacity for organic matter removal due to its aliphatic structure and flexible acrylic polymer structure.

Hydraulic Characteristics

• Pressure drop: Approximately 18 kPa/m bed depth per 10 m/h at 15 °C.
• Backwash: A flow rate of 4 m/h provides approximately 65 % bed expansion at 15 °C.

Limits of Uses

Suitable for industrial water treatment. For pharmaceutical, food processing, or potable water applications, consult Rohm and Haas for resin selection and operating conditions.

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Disclaimer: This 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