Monosphere 650HXC NG)

Summary

Product Identification

• Product Name: DOWEX™ MONOSPHERE™ 650HXC NG (H)
• Product Type: Strong acid cation exchange resin
• Matrix: Styrene-DVB, gel
• Functional group: Sulfonic acid

Guaranteed Sales Specifications (H⁺ form)

• Total exchange capacity, min.: 2.2 eq/L
• Water retention capacity: 39-44 %
• Bead size distribution:
  • Volume median diameter: 650 ± 50 μm
  • Uniformity coefficient, max.: 1.1 %

  • 850 μm, max.: 5 %

  • < 300 μm, max.: 0.5 %
• Whole uncracked beads, min.: 95 %
• Friability (Crush strength), min.: 500 g/bead
• Ionic conversion, min.: 99.7 %
• Trace metals, ppm dry resin, max.:
  • Na: 50
  • Fe: 50
  • Cu: 50
  • Al: 50
  • Ni: 10
  • Zn: 10
  • Heavy Metals (as Pb): 20

Typical Physical and Chemical Properties (H⁺ form)

• Total swelling (Na⁺ ⇒ H⁺): 6 %
• Particle density: 1.26 g/mL
• Shipping weight: 816 g/L (51 lbs/ft³)

Recommended Operating Conditions

• Maximum operating temperature: 130°C (265°F)
• pH range: 0-14
• Bed depth in mixed bed, min.: 450 mm (1.5 ft)
• Flow rates:
  • Service/condensate polishing: 40-150 m/h (16-60 gpm/ft²)
  • Backwash: See figure 2
  • Regeneration/displacement rinse: 1-10 m/h (0.4-4 gpm/ft²)
• Total rinse requirement: 3-6 Bed volumes
• Regenerant: 1-10% H₂SO₄ or 4-8% HCl

Typical Properties and Applications

DOWEX™ MONOSPHERE™ 650HXC NG (H) is a nuclear grade, high capacity, gel resin with uniform particle size. It is designed for non-regenerable deep bed condensate polishers, typically used with DOWEX MONOSPHERE 550A (OH) in boiling water reactor (BWR) power stations. The resin's higher cross-linkage (14%-DVB) provides excellent stability against oxidative conditions and minimizes surface kinetic impairment of anion resins by reducing leachable high molecular weight TOC.

Packaging

• 5 cubic feet fiber drums.

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