DIAION PK228

Summary

Product Identification

• Grade Name: DIAION™ PK228
• Type: Strong Acid Cation
• Matrix: Styrene-DVB, Porous
• Functional Group: Sulfonic Acid
• Ionic Form: Na⁺

Operating Limits

• Maximum Operating Temperature: 120 °C
• Operating pH Range: 0 - 14

Feed Water / Regenerant

• Regenerant: HCl, H₂SO₄
• Regenerant Concentration:
  • HCl: 4 - 10 %
  • H₂SO₄: 1 - 4 %
• Regenerant Level: 50 - 200 g/L
• Regenerant Flow Rate: 2 - 10 m/h
• Total Rinse Requirement: 2 - 10 BV

Product Water

• Salt Splitting Capacity: 2.05 meq/mL min.

Electrical

(No information in extract)

Mechanical / Hydraulic

• Minimum Bed Depth: 800 mm
• Service Flow Rate: 10 - 60 m/h
• Shipping Density: 810 g/L
• Mean Particle Size: 740 μm
• Particle Density: 1.32 g/mL
• Total Swelling (Na⁺ to H⁺): 5 %
• Whole Bead Count: 95 % min.
• Water Content: 37 - 43 %
• Particle Size Distribution on 1180 μm: 5 % max.
• Particle Size Distribution thr. 300 μm: 1 % max.
• Effective Size: 0.40 mm min.
• Uniformity Coefficient: 1.6 max.

The approximate pressure drop at various temperatures and flow rates for each meter of bed depth is shown in graphical format in the original document.

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