LEWATIT® S 5328

Summary

Product identification

Lewatit® S 5328 is a food grade, gelular acrylic medium base (bifunctional) anion exchange resin.

Applications

Lewatit® S 5328 is especially suitable for:

• Demineralization of aqueous solutions such as gelatine, fruit juices, whey and food acids operated with co-current or modern counter-current systems like e.g. Lewatit® WS System
• Removal of organic matter

Operating limits

• Stability pH range: 0-14
• Stability temperature range: 1-35 °C
• Operating temperature (max): 35 °C
• Operating pH range during exhaustion: 0-12
• Max. pressure loss during operation: 150 kPa

Feed water

• No specific feed water parameters are listed.

Product water

• No specific product water parameters are listed.

Electrical

• No electrical parameters are listed.

Mechanical / hydraulic

• Common Description
  • Delivery form: Free base/Cl⁻
  • Functional group: Tertiary amine / quaternary ammonium
  • Matrix: Acrylic
  • Structure: Gel
  • Appearance: Ivory, opaque
• Specified Data
  • Uniformity coefficient (max): 1.8
  • Range of size for >90 vol% of all beads: 0.4-1.6 mm
  • Effective size d₁₀: 0.50-0.75 mm
  • Fines (less than 0.315 mm): max. 0.5 vol %
  • Total capacity (delivery form): min. 1.25 eq/L
• Typical Physical and Chemical Properties
  • Bulk density for shipment (+/- 10%): 710 g/L
  • Density (approx.): 1.06 g/mL
  • Water retention (delivery form) (approx.): 56-64 weight %
  • Volume change (free base - Cl⁻) (max. approx.): 14 %
• Operation
  • Bed depth for single column (min.): 800 mm
  • Back wash bed expansion per m/h (20°C): 12 %
  • Specific pressure loss (15°C): 1.1 kPa*h/m²
  • Specific flow rate (max.): 5 BV/h
  • Freeboard during backwash (min. vol. %): 80-100 %
• Regeneration
  • NaOH regeneration concentration (approx. wt. %): 2-6 %
  • NaOH regeneration quantity co-current (min.): 100 g/L resin
  • NaOH regeneration quantity counter-current (min.): 70 g/L resin
  • Regeneration contact time (min.): 30 minutes
  • Slow rinse at regeneration flow rate (min.): 2 BV
  • Fast rinse at service flow rate (min.): 4 BV

Storage and Handling

• Storage temperature range: -20 - +40 °C
• Recommended storage: Above freezing point of water, under roof, in dry conditions without direct sunlight.
• If frozen: Thaw gradually at ambient temperature. Do not mechanically handle.
• Storage time: Packaging stability limited to 24 months. Recommended to use within this timeframe or check packaging condition regularly.
• Safety precautions: Avoid contact with strong oxidants like nitric acid.
• Observe Safety Data Sheet for transport, storage, handling, safety, and ecology.
• Disposal according to European waste nomenclature.

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