LEWATIT® MonoPlus SMP 1000 KR

Summary

Product Identification

• Product Name: Lewatit® MonoPlus SMP 1000 KR
• Type: Ready-to-use mixed bed comprising strongly acidic macroporous cation and strongly basic (type I) macroporous anion exchange resins.
• Form: Fully regenerated.
• Grade: Premium grade, purified to meet nuclear industry specifications.
• Key Features: Outstanding mechanical and chemical stability, high osmotic stability, excellent hydrodynamic properties allowing high flow rates, extremely high monodispersity, very low fines content resulting in low pressure losses.

Applications

Designed for operation in radioactive water circuits, including:

• Decontamination of circuits in nuclear reactor plants
• Treatment of primary coolant (e.g., in pressure water reactors)
• Purification of steam generator blowdown
• Removal of activated cleavage or corrosion products, including mechanical filtration of suspended impurities
• Polishing in moderator water purification sections of Candu reactor stations (gadolinium and nitrate removal)

Specified Data

• Total Capacity (SAC component, H⁺ form): min. 1.7 eq/L
• Total Capacity (SBA component, OH⁻ form): min. 0.8 eq/L
• Mean Bead Size (SAC component, d₅₀): 0.70 ± 0.05 mm
• Mean Bead Size (SBA component, d₅₀): 0.65 ± 0.06 mm

Typical Physical and Chemical Properties

• Functional Group: Quaternary ammonium (SBA), Sulfonic acid (SAC)
• Matrix: Styrenic
• Structure: Macroporous
• Appearance: Opaque
• Bulk Density (for shipment): 680 g/L (± 5%)
• Water Retention (delivery form): 52-68 % (approx. weight)
• Volume Change (during exhaustion): max. approx. -15 %
• Stability pH Range: 0-14
• Storage Time (after delivery): max. 1 year
• Storage Temperature Range: -20 to +40 °C
• Ionic Conversion (SBA): OH⁻ min. 95 eq.%, CO₃²⁻ max. 5 eq.%, Cl⁻ max. 0.2 eq.%, SO₄²⁻ max. 0.3 eq.%
• Ionic Conversion (SAC): H⁺ min. 99.9 eq.%

Operation

• Operating Temperature: max. 60 °C
• Operating pH Range (during exhaustion): 0-14
• Bed Depth (for single column): min. 800 mm
• Specific Pressure Loss: 1 kPa*h/m² (at 15°C)
• Max. Pressure Loss (during operation): 200 kPa
• Specific Flow Rate: max. 100 BV/h

Trace Impurities (max. mg/kg dry resin)

• Na: 60
• Fe: 100
• Cu: 30
• Al: 50
• Co: 30
• Pb: 30
• Hg: 20
• SiO₂: 100
• Organic Chloride: 500
• SO₄²⁻ as Sulphur (SBA): 600

Additional Information

• Safety: Avoid contact with strong oxidants. Refer to Safety Data Sheet.
• Disposal: Follow European waste nomenclature.
• Storage: Store above freezing point, dry, under roof, out of direct sunlight. If frozen, allow to thaw gradually at ambient temperature.
• Packaging Stability: Limited to 24 months under recommended storage conditions.

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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