DIAION CRB05

Summary

Product identification

• Grade Name: DIAION™ CRB05
• Type: Chelating Resin
• Matrix: Styrene-DVB, Highly Porous
• Functional Group: N-Methyl Glucamine
• Ionic Form: Free Base

DIAION™ CRB05 is a glucamine type chelating resin with high selectivity for borate ion. It is recommended for borate separation processes from various solutions including brines, sea water, and waste water.

Operating limits

• Maximum Operating Temperature: 100 ℃
• Effective pH Range: 2 - 6

Feed water

• Minimum Bed Depth: 800 mm
• Service Flow Rate: 5 - 20 m/h

Regeneration

• Eluate: HCl
  • Eluate Concentration: 2 - 4 % HCl
  • Eluate Level: 50 - 100 g/L
  • Eluate Flow Rate: 1 - 3 m/h
• Regenerant: NaOH
  • Regenerant Concentration: 2 - 4 % NaOH
  • Regenerant Level: 20 - 40 g/L
  • Regenerant Flow Rate: 1 - 3 m/h
• Total Rinse Requirement: 10 - 20 BV

Mechanical / hydraulic

• Shipping Density: 750 g/L
• Mean Particle Size: 550 μm
• Whole Bead Count: 95 min.
• Particle Size Distribution on 850 μm: 10 max. %
• Particle Size Distribution thr. 300 μm: 1 max. %
• Effective Size: 0.35 min. mm
• Uniformity Coefficient: 1.6 max.

Typical Properties

• Total Swelling (FB to Cl⁻): 11 %
• Total Exchange Capacity: 0.95 min. meq/mL
• Water Content: 43 - 53 %

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