LEWATIT® MP 62

Summary

Product identification

• Product Name: Lewatit® MP 62
• Type: Weakly basic, macroporous anion exchange resin with tertiary amine groups (monofunctional)
• Structure: Macroporous, Styrenic matrix
• Appearance: Beige, opaque
• Delivery Form: Free base

Operating limits

• pH range (operation during exhaustion): 0-8
• pH range (stability): 0-14
• Operating temperature (max): 130 °C
• Storage temperature range: -20 - +40 °C
• Storage time (after delivery) (max): 2 years

Feed water / Application

• Demineralization of water for industrial steam generation (co-current or counter-current systems like Lewatit® WS System, Lewatit® Liftbed System or Lewatit® Rinsebed System)
• Removal of organic matter, especially from surface water
• Deacidification of organic process streams

Electrical

N/A

Mechanical / Hydraulic

• Uniformity coefficient (max): 1.8
• Range of size for >90 vol% of all beads: 0.315 - 1.25 mm
• Effective size (d10): 0.41 - 0.53 mm
• Bulk density for shipment (+/- 5%): 620 g/L
• Density (approx.): 1.02 g/mL
• Water retention (delivery form) (approx. weight %): 50-55 %
• Volume change (free base - Cl-) (max. approx. %): 45 %
• Bed depth for single column (min.): 800 mm
• Back wash bed expansion per m/h (20°C): 30 %
• Specific pressure loss (15°C): 1.1 kPa*h/m²
• Max. pressure loss during operation: 250 kPa
• Specific flow rate (max): 40 BV/h

Regeneration

• NaOH regeneration concentration (approx. wt. %): 2-6 %
• NaOH regeneration quantity (co-current) (min. g/L resin): 80 g/L resin
• NaOH regeneration quantity (counter-current) (min. g/L resin): 50 g/L resin
• Regeneration contact time (min. minutes): 30 minutes
• Slow rinse at regeneration flow rate (min. BV): 2 BV
• Fast rinse at service flow rate (min. BV): 4 BV

Chemical Properties

• Total capacity (delivery form) (min.): 1.7 eq/L

Safety and Storage

• Safety: Strong oxidants (e.g., nitric acid) can cause violent reactions. Observe the Safety Data Sheet.
• Storage: Store under roof in dry conditions, above freezing point, and out of direct sunlight. If frozen, thaw gradually at ambient temperature.
• Disposal: Follow European waste nomenclature for disposal in the European Community.

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