DIAION PA408

Summary

Product identification

• Grade Name: DIAION™ PA408
• Type: Strong Base Anion
• Matrix: Styrene-DVB, Porous
• Functional Group: Type II (dimethylethanol ammonium groups)
• Ionic Form: Cl⁻

Product description

DIAION™ PA408 is a porous type strongly basic anion exchange resin with 4% cross-linkages. It is a Type II resin recommended for demineralization and decolorization of sugar liquors.

Recommended Operating Conditions

• Maximum Operating Temperature: 60 °C (Cl⁻), 40 °C (OH⁻)
• Operating pH Range: 0 - 14
• Minimum Bed Depth: 800 mm
• 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

Typical Properties

• Shipping Density: 720 g/L
• Mean Particle Size: 640 μm
• Particle Density: 1.08 g/mL
• Total Swelling (Cl⁻ to OH⁻): 14 %
• Whole Bead Count: 95 % min.
• Salt Splitting Capacity: 0.9 meq/mL min.
• Water Content: 54 - 64 %
• 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.

Hydraulic Characteristics

The approximate pressure drop at various temperatures and flow rates for each meter of bed depth of DIAION™ PA408 resin in normal down flow operation is shown in the graphs in the original document.

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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