LEWATIT® MonoPlus SP 112 KR

Summary

Product Identification

• Product Name: LEWATIT® MonoPlus SP 112 KR
• Product Type: Strongly acidic, premium grade, macroporous cation exchange resin
• Bead Type: Uniform size (monodisperse)
• Form: Highly regenerated and purified to meet nuclear industry specifications
• Functional Group: Sulfonic acid
• Matrix: Styrenic
• Structure: Macroporous
• Appearance: Beige, grey
• Common Description: H⁺

Applications

LEWATIT® MonoPlus SP 112 KR is particularly suitable for:

• Removal of cations, including radioactive isotopes, from aqueous solutions (pH control through adsorption of excess ⁷Li)
• Decontamination of circuits in nuclear reactor plants
• Removal of radioactive cations, with high selectivity for caesium ¹³⁷
• Treatment of primary coolant, e.g., in pressure water reactors
• Purification of steam generator blowdown, irrespective of the conditioning with Levoxin (hydrazine), ethanolamine, or morpholine
• Removal of activated cleavage or corrosion products, including mechanical filtration of suspended impurities
• Polishing in primary and secondary sections as a mixed bed component with Lewatit® MonoPlus M 800 KR.

Operating Limits

• Stability pH Range: 0-14
• Operating Temperature: max. 140 °C
• Operating pH Range during Exhaustion: 2-14
• Max. Pressure Loss during Operation: 300 kPa
• Storage Temperature Range: -20 - +40 °C
• Storage Time (after delivery): max. 1.0 year

Feed Water / Product Water

• Total Capacity (delivery form): min. 1.7 eq/L
• Ionic Conversion H⁺: min. 99.9 eq. %

Mechanical / Hydraulic

• Uniformity Coefficient: max. 1.1
• Mean Bead Size: d₅₀ 0.67 (±0.05) mm
• Bulk Density for Shipment (±5%): 720 g/L
• Density (approx.): 1.18 g/mL
• Water Retention (delivery form, approx.): 52-61 % weight
• Volume Change (H⁺ - Na⁺, max. approx.): -8 %
• Friability: >200 g/bead (min. 95 vol %)
• 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): 4.5 %
• Specific Pressure Loss (at 15°C): 0.8 kPa*h/m²
• Specific Flow Rate: max. 100 BV/h

Regeneration

• Regeneration Contact Time: min. 20 minutes
• Slow Rinse: min. 2 BV (at regeneration flow rate)
• Fast Rinse: min. 2 BV (at service flow rate)

HCl Regeneration

• Concentration: approx. 4-6 wt. %
• Quantity Co-current: min. 100 g/L resin
• Quantity Counter-current: min. 55 g/L resin

H₂SO₄ Regeneration

• Concentration: approx. 1.5-8 wt. %
• Quantity Co-current: min. 120 g/L resin
• Quantity Counter-current: min. 80 g/L resin

Trace Impurities (max. mg/kg dry resin)

• Na: 60
• Fe: 100
• Cu: 30
• Al: 50
• Co: 30
• Pb: 30
• Hg: 20
• SiO₂: 100

Electrical

• Not specified in the extract.

Additional Information

• Safety Precautions: Strong oxidants can cause violent reactions. Observe the safety data sheet.
• Disposal: Dispose according to European waste nomenclature.
• Storage: Store above freezing point, under roof, dry, and out of direct sunlight. If frozen, thaw gradually at ambient temperature. Packaging stability is limited to 24 months.

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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