D113 Macroporous Weak Acid Cation Exchange Resin

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D113 Macroporous Weak Acid Cation Exchange Resin
Posting date : Jul 31, 2011
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29-
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D113 Macroporous Weak Acid Cation Exchange Resin 1.Description 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. 2.Typical Physical and Chemical Properties: ①Polymer Matrix Structure:Acrylic Crosslinked with DVB ②Physical Form and Appearance:Macroporous spherical beads ③Functional Groups:R-COOH ④Ionic Form ,as shipped:H+ ⑤Total Capacity, Na+ form, wet, volumetric:≥4.2 eq/l min ⑥Moisture Retention, Na+ form:45-52% ⑦Particle Size Range:0.3mm-1.2mm ⑧<0.3mm (max.):1% ⑨Uniformity Coefficient (max.) :1.6 ⑩effective size:0.4-0.7mm ⑾Reversible Swelling:Na+ → H+ (max.) 65% ⑿Shipping Weight (approx.):720 -800g/l ⒀Specific Gravity, moist Na+ Form:1.18 ⒁pH Range, Stability:4 - 14 3.Suggested Operating Condition ①Maximum Temperature H+ Form:120°C (248oF) max. ②Backwash Rate:50to 75% Bed Expansion ③Regenerant Concentration:Hydrogen Cycle 1% to 4% HCl or 0.5-1.0% H2SO4 ④Regenerant dosage:HC1 or H2SO4 volume:resin volume =3:1 ⑤Regenerant Flow Rate: 2 to 4 BV/h ⑥Regenerant contact Time: At least 40 minutes ⑦Service Flow Rate:10-25m/h 4.Applications 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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