LEWATIT® MonoPlus TP 208

Summary

Product Identification

• Product Name: LEWATIT® MonoPlus TP 208
• Product Type: Weakly acidic, macroporous cation exchange resin with chelating iminodiacetic acid groups.
• Functional Group: Iminodiacetic acid
• Matrix: Styrenic
• Structure: Macroporous
• Delivery Form: Na⁺ form
• Appearance: Beige, opaque
• Common Description: Monodisperse, uniform sized beads.

Applications

• Fine polishing of brine fed to chloralkali membrane cells for removal of alkaline earth cations (e.g., Ca²⁺, Mg²⁺, Ba²⁺, Sr²⁺) and Fe³⁺.
• Removal and recovery of heavy metals (e.g., Copper, Vanadium (VO₂⁺), Uranium (UO₂²⁺), Lead, Nickel, Zinc, Cadmium, Cobalt, Iron (II), Beryllium, Manganese) from process, waste, and potable water streams.

Specified Data

• Uniformity Coefficient: ≤ 1.1
• Mean Bead Size (d₅₀): 0.65 mm (± 0.05 mm)
• Total Capacity (H⁺ form): ≥ 2.5 eq/L

Typical Physical and Chemical Properties

• Bulk Density (for shipment): approx. 700 g/L (± 5%)
• Density: approx. 1.19 g/mL
• Water Retention (delivery form): approx. 58-64 % by weight
• Volume Change (Na⁺ - H⁺): max. approx. -30 %
• Stability pH Range: 0-14
• Stability Temperature Range: 1-80 °C
• Storage Temperature Range: -20 to +40 °C

Operating Conditions

• Maximum Operating Temperature: 80 °C
• Operating pH Range (during exhaustion): 2-12
• Minimum Bed Depth (single column): 1000 mm
• Backwash Bed Expansion (at 20°C): 5 % per m/h
• Specific Pressure Loss (at 15°C): 1.0 kPa*h/m²
• Maximum Pressure Loss (during operation): 250 kPa
• Specific Flow Rate (max.): 5-25 BV/h
• Minimum Freeboard (during backwash): 100 vol. %

Regeneration

• HCl Regeneration Concentration: approx. 4-10 wt. %
• HCl Regeneration Quantity (co-current): min. 150 g/L resin
• Regeneration Contact Time: min. 20 minutes
• Slow Rinse (at regeneration flow rate): min. 4 BV

Conditioning

• NaOH Conditioning Concentration: approx. 4 wt. %
• NaOH Conditioning Quantity (Na⁺ form): min. 80-96 g/L resin
• Conditioning Contact Time: min. 20 minutes
• Slow Rinse (at conditioning flow rate): min. 4 BV

Additional Information

• Safety: Avoid contact with strong oxidants like nitric acid. Observe the Safety Data Sheet.
• Disposal: Dispose of according to European waste nomenclature within the European Community.
• Storage: Store above freezing point, under roof, in dry conditions, away from direct sunlight. If frozen, thaw gradually at ambient temperature.
• Packaging Stability: Limited to 24 months under recommended storage conditions.

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