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D113 Macroporous Weak Acid Cation Exchange Resin

D113 is a premium grade, weak acid, macroporous, cation resin supplied in the hydrogen form as moist, tough, uniform, spherical beads. Its ion exchange functionality is derived from the carboxylic group, which is easily converted to the hydrogen form and has a high affinity for divalent ions.D113 is intended for use in hydrogen cycle dealkalization, deionization, and chemical processing applications. D113 can also be supplied in the sodium form for use in sodium cycle applications such as softening and removal of heavy metal cations.
Use in the deionization and softening of water and aqueous organic solutions,with 001x7 strongly acidic cation exchange resin can remove alkalinity and hardness from water obviously,especially removing hydrogen carbonates, carbonates and other alkali salts. It is also used in industrial wastewater treatment, metal recycling, separation and purification of biochemical pharmaceuticals etc.


  • Description

  • 2.Typical Physical and Chemical Properties:

    Items Specification
    Polymer Matrix Structure Acrylic   Crosslinked with DVB
    Physical Form and Appearance Macroporous   spherical beads
    Functional Groups R-COOH
    Ionic Form ,as shipped H+
    Total Capacity, H+ form, wet, volumetric ≥4.2 eq/l min
    Moisture Retention, H+ form 45-52%
    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.) 65%
    Shipping Weight (approx.) 720 -800g/l
    Specific Gravity, moist H+ Form 1.18
    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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