Dowex Monosphere 575C NG(H

Summary

Product identification

• Product Name: DOWEX™ MONOSPHERE™ 575C NG (H)
• Product Type: Strong acid cation
• Matrix: Styrene-DVB gel
• Functional group: Sulfonic acid

This is a uniform particle size gel cation exchange resin designed for nuclear water applications, including steam generator blowdown and reactor water clean-up. It is supplied with a minimum of 99% of ionic sites in the H⁺ form and exhibits excellent stability and low metallic impurity levels.

Operating limits

• Maximum operating temperature: 130°C (265°F)
• pH range: 0-14
• Bed depth, min: 0.45 m (1.5 ft)

Feed water / Product water

• Regenerant: 1-10% H₂SO₄ or 4-8% HCl

Guaranteed Sales Specifications (H⁺ form)

• Total exchange capacity, min:
  • 2.3 eq/L
  • 50.3 kgr/ft³ as CaCO₃
• Water content: 41 – 46 %
• Bead size distribution:
  • Mean particle size: 550 ± 50 μm
  • Uniformity coefficient, max: 1.1

  • 800μ, max: 3 %

  • <300μ, max: 0.2 %
• Whole uncracked beads, min: 95 %
• Crush strength:
  • Average, min: 500 g/bead

  • 200 g/bead: 95 %

• Ionic conversion, min: 99.7 %
• Trace metals, ppm dry resin, max:
  • Na: 50
  • Fe: 50
  • Cu: 10
  • Al: 50
  • Co: 30
  • Pb: 10
  • Hg: 10
  • Heavy metals (as Pb): 10

Typical Physical and Chemical Properties

• Total swelling (Na⁺ → H⁺): 7 %
• Particle density: 1.25 g/mL
• Shipping weight:
  • 800 g/L
  • 50 lbs/ft³

Flow rates

• Service/fast rinse: 5-60 m/h (2-24 gpm/ft²)
• Service/condensate polishing: 40-150 m/h (16-60 gpm/ft²)
• Backwash: See figure 1
• Co-current regeneration/displacement rinse: 1-10 m/h (0.4-4 gpm/ft²)
• Total rinse requirement: 3 – 6 Bed volumes

Mechanical / hydraulic

• Backwash expansion data: Refer to Figure 1.
• Pressure drop data: Refer to Figure 2.

Packaging

• 50 liter or 5 cubic feet fiber drums

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Disclaimer: 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