DIAION UBKNTU

Summary

Product Identification

• Grade Name: DIAION™ UBKN1U
• Type: Strong Acid Cation
• Matrix: Styrene-DVB, Gel
• Functional Group: Sulfonic acid
• Ionic Form: H⁺

Operating Limits

• Maximum Operating Temperature: 120 ℃
• Operating pH Range: 0 - 14
• Minimum Bed Depth: 800 mm
• Service Flow Rate: 10 - 40 m/h

Feed Water / Regeneration

• Regenerant: HCl, H₂SO₄
• Regenerant Concentration:
  • HCl: 4 - 10 %
  • H₂SO₄: 1 - 4 %
• Regenerant Level: 30 - 150 g/L
• Regenerant Flow Rate: 2 - 10 m/h
• Total Rinse Requirement: 2 - 10 BV

Product Water

• Outlet resistivity: 12 MΩ‧cm (max.)
• ΔTOC: 50 ppb (min.)

Typical Properties

• Cross-linkage: 14%
• Shipping Density: 810 g/L
• Particle Density: 1.27 g/mL
• Total Swelling (Na⁺ to H⁺): 5 %
• Whole Bead Count: 95 % (min.)
• Salt Splitting Capacity: 2.4 meq/mL (min.)
• Water Content: 33 - 43 %
• Average Diameter: 650 ± 50 μm
• Particle Size Distribution on 1180 μm: 5 % (max.)
• Particle Size Distribution through 500 μm: 2 % (max.)
• Uniformity Coefficient: 1.2 (max.)
• Ionic Conversion (H⁺): 99 % (min.)
• Ionic Conversion (Na⁺): 1.0 % (max.)

Mechanical / Hydraulic

• Hydraulic Characteristics: Pressure drop shown in graphs in the official PDF.

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