AmberLite HPR4780 Cl

Summary

Product identification

• Product Name: AmberLite™ HPR4780 Cl Ion Exchange Resin
• Product Type: Acrylic, Gel, Strong Base Anion Exchange Resin for Industrial Demineralization
• Previous Name: AmberLite™ IRA478RF Ion Exchange Resin

Description

AmberLite™ HPR4780 Cl is a bifunctional anion exchange resin designed for industrial demineralization, balancing high operating capacity with low pressure drop. It is suitable for treating waters with high organic fouling potential, over 75% free mineral acidity, up to 10% silica, and temperatures up to 35°C (95°F).

The resin combines weak base and strong base functionality, enabling the removal of free mineral acids, silica (SiO₂), and carbon dioxide (CO₂). Its hydrophilic acrylic structure offers good resistance to organic fouling and osmotic or mechanical stress, with easy release of organic compounds during regeneration.

Applications

• Demineralization: Particularly effective for water with high organic fouling potential and high percentages of mineral acidity (FMA).
• Acid Removal: Suitable for removing both strong and weak acids.

System Designs

• Co-current
• Counter-current / Hold-down
• Packed beds

Typical Properties

Physical Properties

• Copolymer: Crosslinked acrylic
• Matrix: Gel
• Type: Strong base anion, Type I + Weak base anion
• Functional Group: Quaternary ammonium + Tertiary amine
• Physical Form: White, translucent, spherical beads

Chemical Properties

• Ionic Form as Shipped: Cl⁻ + Free base (FB)
• Total Exchange Capacity: ≥ 1.35 eq/L (Cl⁻-form)
• Strong Base Content: 33.0 – 43.0%
• Water Retention Capacity: 58.0 – 62.0% (Cl⁻-form)

Particle Size

• Particle Diameter: 700 – 900 µm
• Uniformity Coefficient: ≤ 1.70
• Fines (< 300 µm): ≤ 0.2%
• Oversize (> 1180 µm): ≤ 15.0%

Stability

• Whole Uncracked Beads: ≥ 95%
• Swelling (Cl⁻ → OH⁻): ≤ 10%

Density

• Particle Density: 1.08 g/mL
• Shipping Weight: 660 g/L

Suggested Operating Conditions

• Temperature Range (OH⁻/FB form): 5 – 35°C (41 – 95°F)
• pH Range (Service Cycle): 0 – 9
• pH Range (Stable): 0 – 14

Hydraulic Characteristics

Estimated bed expansion and pressure drop data as a function of backwash flow rate, service flow rate, and temperature are provided in Figures 1 and 2 respectively. These figures are valid at the start of the service run with clean water and a well-classified bed.

• Figure 1: Backwash Expansion: Temperature Range 10 – 60°C (50 – 140°F)
• Figure 2: Pressure Drop: Temperature Range 10 – 60°C (50 – 140°F)

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