DIAION PK216H

Summary

Product identification

• Grade Name: DIAION™ PK216H
• Type: Strong Acid Cation
• Matrix: Styrene-DVB, Porous
• Functional Group: Sulfonic Acid
• Ionic Form: H⁺

DIAION™ PK216H is a porous type strongly acidic cation exchange resin with 8% cross-linkages. It is recommended for manufacturing and processing pure water and catalysts.

Operating limits

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

Regeneration

• Regenerant: HCl or 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

Mechanical / hydraulic

• Minimum Bed Depth: 800 mm
• Service Flow Rate: 10 - 60 m/h
• Shipping Density: 760 g/L
• Mean Particle Size: 740 μm
• Particle Density: 1.19 g/mL
• Whole Bead Count: 95 % min.
• 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 pressure drop at various temperatures and flow rates per meter of bed depth can be found in graphs within the original document.

Product water

• Salt Splitting Capacity: 1.6 meq/mL min.
• Water Content: 50 - 60 %
• Total Swelling (Na⁺ to H⁺): 8 %
• Ionic Form Conversion (H Form): 95 % min.

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