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D311 Macroporous Acrylic acid series weakly alkaline anion exchange resin
This product is a kind of anion exchange resin which has polyamine groups in the methyl acrylate-divinylbenzene copolymer, with macroporous structure. This resin has good properties, such as large exchange capacity, small volumn change, strong physical strength, good chemical stability, excellent resistence to contamination and oxidation, speedy exchange capability etc.
It is mainly used in extraction of drugs, deacidification and decolorization of sugar solution, water treatment ,extraction of citric acid etc.
It is mainly used in extraction of drugs, deacidification and decolorization of sugar solution, water treatment ,extraction of citric acid etc.
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- Description
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2.Typical Physical and Chemical Properties:
Items Specification Polymer Matrix Structure Methyl acrylate-divinylbenzene Physical Form and Appearance light yellow opaque spherical particle Ionic Form ,as shipped Free Base Functional Groups –NH2 Total Capacity, wet, volumetric ≥2.1eq/l min Moisture Retention, FB form 56-66% Particle Size Range 0.3mm-1.2mm <0.3mm (max.) 1% Uniformity Coefficient (max.) 1.6 effective size 0.4-0.7mm Reversible Swelling FB –→CL- (max.) 18% Shipping Weight (approx.) 650 -720g/l Specific Gravity, moist FB Form 1.1 pH Range, Stability 1-9
3.Suggested Operating Condition
Maximum Temperature： Free Base Form 100°C (212oF) max. Backwash Rate 50 to 75% Bed Expansion Regenerant Concentration 2-4% NaOH Regenerant dosage NaOH NaOH 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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