LEWATIT® MonoPlus M 500 OH

Summary

Product identification

• Product Name: LEWATIT® MonoPlus M 500 OH
• Common Description: Strongly basic, gelular anion exchange resin (Type I) with uniform bead size (monodisperse).
• Functional Group: Quaternary ammonium (Type 1)
• Matrix: Styrenic
• Structure: Gel
• Appearance: Light brown, translucent

Operating Limits

• Stability pH range: 0-14
• Storage temperature range: -20 - +40 °C
• Operating temperature: max. 70 °C
• Operating pH range during exhaustion: 0-12
• Max. pressure loss during operation: 200 kPa

Feed Water

• Applications: Demineralization of water for industrial steam generation (co-current or counter-current systems), polishing.

Product Water

• Features: High flow rates during regeneration and loading, good capacity utilization, low rinse water requirement, homogeneous throughput, virtually linear pressure drop gradient, good separation in mixed beds.

Electrical

N/A

Mechanical / Hydraulic

• Uniformity coefficient: max. 1.1
• Mean bead size (d₅₀): 0.64 (+-0.05) mm
• Bulk density for shipment (+/- 5%): 650 g/L
• Density (approx.): 1.07 g/mL
• Water retention (delivery form, approx.): 57-62 % by weight
• Volume change (OH⁻ - Cl⁻, max. approx.): -24 %
• 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

Other Properties

• Total capacity (delivery form, min.): 1.1 eq/L
• Ionic conversion OH⁻ (min.): 95 eq. %
• Storage time (after delivery, max.): 1 year

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