D111 Macroporous Weak Acid Cation Exchange Resin

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D111 Macroporous Weak Acid Cation Exchange Resin
Posting date : Jul 31, 2011
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29-
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D111 Macroporous Weak Acid Cation Exchange Resin 1.Description 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. 2.Typical Physical and Chemical Properties: ①Polymer Matrix Structure:Acrylic Crosslinked with DVB ②Physical Form and Appearance:Ivory opaque spherical particle ③Functional Groups:R-COOH ④Ionic Form ,as shipped:H+ ⑤Total Capacity, H+ form, wet, volumetric:≥2.7 eq/l min ⑥Moisture Retention, H+ form:55-65% 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:H+ → H+ (max.) 75% ⑿Shipping Weight (approx.):700 -780g/l ⒀Specific Gravity, moist Na+ Form:1.15 ⒁pH Range, Stability:4 - 14 3.Suggested Operating Condition ①Maximum Temperature H+ Form:120°C (248oF) max. ②Backwash Rate:50 to 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 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.

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