DIAION PA312LTU

Summary

Product identification

• Grade Name: DIAION™ PA312LTU
• Type: Strong Base Anion
• Matrix: Styrene-DVB, Porous
• Functional Group: Type I (trimethyl ammonium groups)
• Ionic Form: OH⁻

DIAION™ PA312LTU is a porous type strongly basic anion exchange resin with 6% cross-linkages. It is recommended for higher purity water treatment applications.

Operating limits

• Maximum Operating Temperature: 80 °C (Cl⁻ form), 60 °C (OH⁻ form)
• Operating pH Range: 0 - 14
• Minimum Bed Depth: 800 mm

Feed water and regeneration

• Service Flow Rate: 10 - 60 m/h
• Regenerant: NaOH
• Regenerant Concentration: 2 - 8 % NaOH
• Regenerant Level: 50 - 200 g/L
• Regenerant Flow Rate: 2 - 8 m/h
• Total Rinse Requirement: 2 - 10 BV

Product water

• Outlet ΔTOC: 10 ppb max.
• Outlet Resistivity: 15 MΩ·cm min.

Mechanical / hydraulic

• Shipping Density: 650 g/L
• Mean Particle Size: 690 μm
• Particle Density: 1.08 g/mL
• Total Swelling (Cl⁻ to OH⁻): 23 %
• Whole Bead Count: 95 % min.
• Particle Size Distribution on 1180 μm: 5 % max.
• Particle Size Distribution through 425 μm: 5 % max.
• Effective Size: 0.42 mm min.
• Uniformity Coefficient: 1.6 max.

Typical Properties

• Salt Splitting Capacity: 0.85 meq/mL min.
• Water Content: 58 - 68 %
• Ionic Form Conversion (OH⁻ Form): 80 % min.
• Ionic Form Conversion (CO₃²⁻ Form): 15 % max.
• Ionic Form Conversion (Cl⁻ Form): 0.2 % max.

The approximate pressure drop at various temperatures and flow rates for each meter of bed depth is shown in graphs within 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