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201×4(711)Strong Base Anion Exchange Resin

1.Description

201×4(711)is a high capacity, shock resistant, gelular,Type I ,strongly basic anion exchange resin supplied in the chloride or hydroxide form as moist, tough, uniform, spherical beads. 201×4(711)is intended for use in all type of deionization systems and chemical processing applications and is especially suited for use in regenerable mixed beds. it also shows good kinetics of exchange, enabling very low concentration levels of both strong and weak acid anions to be achieved at practical flowrates.

2.Typical Physical and Chemical Properties

Items Specification
Polymer Matrix Structure Crosslinked Polystyrene Divinylbenzene
Physical Form and Appearance White color 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 0.315mm-1.25mm
< 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 NaOh volume: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

4.Applications

It is mainly used in pure water and high purity water manufacturing, sugar solution decolorization, wastewater treatment, extraction of biochemical products and radioelements etc

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