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D111 Macroporous Weak Acid Cation Exchange Resin

D111 This is a kind of cation exchange resin which has carboxylic acid groups [-COOH] in the macroporos acrylic acid-divinylbenzene copolymer. It works with large exchange capacity, speedy exchange ability, small volumn change, good physical strength and chemical stability, excellent capabilities of contamination and oxidation resistance etc.
It is mainly used in extraction of streptomycin, gentamicin, neomycin, lysozyme and other antibiotics, softening and demineralization of industrial use water, removal of heavy metal in waste water, separation and putification of biochemical products, decolorization in sugar industry, removal of ash etc.


  • Description

  • 2.Typical Physical and Chemical Properties:

    Items Specification
    Polymer Matrix Structure Acrylic   Crosslinked with DVB
    Physical Form and Appearance Ivory opaque spherical particle
    Functional Groups R-COOH
    Ionic Form ,as shipped H+
    Total Capacity, H+ form, wet, volumetric ≥2.7 eq/l min
    Moisture Retention, H+ form 55-65%
    Particle Size Range 0.3mm-1.2mm
    <0.3mm (max.) 1% 
    Uniformity Coefficient (max.) 1.6
    effective size 0.4-0.7mm
    Reversible Swelling Na+ → H+ (max.) 75%
    Shipping Weight (approx.) 700 -780g/l
    Specific Gravity, moist H+ Form 1.15
    pH Range, Stability 4-14


    3.Suggested Operating Condition

    Maximum TemperatureH+ Form 120°C (248oF) max.
    Backwash Rate 50to 75% Bed Expansion
    Regenerant Concentration Hydrogen Cycle 1% to 4% HCl or 0.5-1.0% H2SO4
    Regenerant dosage HC1 or H2SO4 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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