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D311 Macroporous Acrylic acid series weakly alkaline anion exchange resin

This product is a kind of anion exchange resin which has polyamine groups in the methyl acrylate-divinylbenzene copolymer, with macroporous structure. This resin has good properties, such as large exchange capacity, small volumn change, strong physical strength, good chemical stability, excellent resistence to contamination and oxidation, speedy exchange capability etc.
It is mainly used in extraction of drugs, deacidification and decolorization of sugar solution, water treatment ,extraction of citric acid etc.

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  • Description

  • 2.Typical Physical and Chemical Properties:

    Items Specification
    Polymer Matrix Structure Methyl acrylate-divinylbenzene
    Physical Form and Appearance light yellow   opaque spherical particle
    Ionic Form ,as shipped Free Base
    Functional Groups –NH2
    Total Capacity, wet, volumetric ≥2.1eq/l min
    Moisture Retention, FB form 56-66%
    Particle Size Range 0.3mm-1.2mm
    <0.3mm (max.) 1% 
    Uniformity Coefficient (max.) 1.6
    effective size 0.4-0.7mm
    Reversible Swelling  FB –→CL- (max.) 18%
    Shipping Weight (approx.) 650 -720g/l
    Specific Gravity, moist FB Form 1.1
    pH Range, Stability 1-9

     


    3.Suggested Operating Condition

    Maximum Temperature: Free Base Form 100°C   (212oF) 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

     

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