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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.
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Parameters

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
0.4mm-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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