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D201 Macroporous Adsorption Styrene Series Strong Base Anion Exchange Resin


This product is similar to 201×7 Strong-Base Type I (Gel) Anion Exchange Resin, but provided with better physical and chemical stability. It has strong capabilities of permeation resistance, abrasion resistance and contamination resistance. For it has macroporous structure, and can exchange big-sized ions and molecules, so it can be used in non-aqueous medium.

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 ≥1.2eq/l min
Moisture Retention, CL-form 50-60%
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%
Shipping Weight (approx.) 660 -730g/l
Specific Gravity, moist CL- Form 1.09
pH Range, Stability 0 - 14

3.Suggested Operating Condition

Maximum Temperature Oh-Form 60 °C (140°F) max.
CL-Form 80 °C (176°F) max
Bed depth,min. 800mm
Regenerant Concentration 2-4% NaOH
Regenerant dosage NaOH NaOh volume:resin volume = 3:1
Regenerant Flow Rate 2 to 8 BV/h
Regenerant contact Time At least 60 minutes
Service Flow Rate 10-25m/h


They are mainly used in manufacture and purification of pure water and high purity water, decolorization of sugar solution and fermentation solution, wastewater treatment, adsorption and extraction of vanadium pentoxide, recycling of heavy metal etc

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