DIAION SA20AOH

Summary

Product identification

• Grade Name: DIAIONTM SA20AOH
• Type: Strong Base Anion
• Matrix: Styrene-DVB, Gel
• Functional Group: Type II (dimethylethanol ammonium groups)
• Ionic Form: OH⁻

Specifications

• Whole Bead Count: 90 min. %
• Salt Splitting Capacity: 0.9 min. meq/mL
• Water Content: 50 - 60 %
• Particle Size Distribution on 1180 μm: 5 max. %
• Particle Size Distribution thr. 300 μm: 1 max. %
• Effective Size: 0.40 min. mm
• Uniformity Coefficient: 1.6 max. -
• Ionic Conversion (OH⁻): 90 min. eq%
• Ionic Conversion (CO₃²⁻): 10 max. eq%
• Ionic Conversion (Cl⁻): 1 max. eq%

Typical Properties

• Shipping Density: 690 g/L
• Mean Particle Size: 670 μm
• Particle Density: 1.08 g/mL
• Total Swelling (Cl⁻ to OH⁻): 24 %

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

Hydraulic Characteristics

The approximate pressure drop at various temperatures and flow rates for each meter of bed depth of DIAIONTM SA20AOH resin in normal downflow operation is shown in the graphs in the full 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