LEWATIT® MonoPlus M 500 MB

Summary

Product identification

• Product Name: LEWATIT® MonoPlus M 500 MB
• Description: A strongly basic, gelular anion exchange resin with beads of uniform size (monodisperse) based on a styrene-divenylbenzene copolymer.
• Application: Tailor-made for mixed bed applications in make-up water systems, especially in combination with Lewatit® MonoPlus S 108 H.
• Special Features:
  • Special bead size distribution for perfect separation without cross-contamination.
  • Good utilization of total capacity.
  • Low rinse water demand.
  • Homogenous throughput of regenerants, water, and solutions.
  • Sharply contrasting colors.

Operating limits

• Operating Temperature: max. 70 °C
• Operating pH range during exhaustion: 0-12
• Maximum pressure loss during operation: 200 kPa
• Stability pH range: 0-14

Feed water

• Bed depth for single column: min. 800 mm
• Bed depth per component in mixed bed: min. 500 mm
• Backwash bed expansion (per m/h at 20°C): 11 %
• Specific pressure loss (at 15°C): 1 kPa*h/m²
• Specific flow rate: max. 100 BV/h

Regeneration

• NaOH regeneration concentration: approx. 2-6 wt. %
• NaOH regeneration quantity (co-current): min. 100 g/L resin
• NaOH regeneration quantity (counter-current): min. 50 g/L resin
• Regeneration contact time: min. 20 minutes
• Slow rinse at regeneration flow rate: min. 2 BV
• Fast rinse at service flow rate: min. 2 BV

Electrical

• Not specified in the extract.

Mechanical / hydraulic

• Bulk density for shipment (+/- 5%): 690 g/L
• Density: approx. 1.08 g/mL
• Volume change (Cl⁻ - OH⁻): max. approx. 24 %

Product Data

• Common Description:
  • Delivery form: Cl⁻
  • Functional group: Quaternary ammonium Type 1
  • Matrix: Styrenic
  • Structure: Gel
  • Appearance: Yellow, translucent
• Specified Data:
  • Uniformity coefficient: max. 1.1
  • Mean bead size (d₅₀): 0.62 (±0.05) mm
  • Total capacity (delivery form): min. 1.3 eq/L
• Typical Physical and Chemical Properties:
  • Water retention (delivery form): approx. 48-55 wt. %

Storage and Handling

• Storage time (after delivery): max. 2 years
• Storage temperature range: -20 - +40 °C
• Recommended Storage Conditions: Above freezing point of water, under roof, in dry conditions, without direct sunlight.
• Frozen Resin: Thaw gradually at ambient temperature; do not mechanically handle.
• Packaging Stability: Limited to 24 months under recommended storage conditions.
• Safety: Observe safety data sheet. Avoid contact with strong oxidants.
• 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