201×4 Strong-Base Type I (Gel) Anion Exchange Resin
It is mainly used in pure water and high purity water manufacturing, sugar solution decolorization, wastewater treatment, extraction of biochemical products and radioelements etc.
2.Typical Physical and Chemical Properties:
Items Specification Polymer Matrix Structure Crosslinked Polystyrene Divinylbenzene Physical Form and Appearance Spherical beads Functional Groups [-N(CH3)3OH] Ionic Form ,as shipped CL- Total Capacity, CL- form, wet, volumetric ≥1.3eq/l min Moisture Retention, CL-form 48-58% Particle Size Range 0.3mm-1.2mm <0.3mm (max.) 1% Uniformity Coefficient (max.) 1.6 effective size 0.4-0.7mm Reversible Swelling CL-→ OH –(max.) 20-30% Shipping Weight (approx.) 660 -720g/l Specific Gravity, moist CL- Form 1.08 pH Range, Stability 0 - 14
3.Suggested Operating Condition
Maximum Temperature OH- Form 60 °C (140oF) max. CL- Form 80 °C (176oF) max Backwash Rate 50 to 75% Bed Expansion Regenerant Concentration 2-4% NaOH Regenerant dosage NaOH NaOHvolume:resin volume =3:1 Regenerant Flow Rate 2 to 4 BV/h Regenerant contact Time At least 40 minutes Service Flow Rate 10-25m/h
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