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D330 Macroporous styrene series weakly alkaline anion exchange resin
This is a kind of weakly alkaline anion exchange resin with primary amine, secondary amine, tertiary amine and quaternary amine groups [-NH2、=NH、=N、=N-] in the epoxy chloropropane-polyethylene polyamine copolymer. It can be used as ion exchanger in acidic,neutral and alkaline mediums, with large exchange capacity and speedy exchange ability.
It is mainly used in water treatment to remove Cl- and SO2-, removing inorganic acid, extracting organic acid and decolorization when refining the citric acid, streptomycin, malic acid, amino acid etc. And it also can be used in recycling of copper and silver ions.
It is mainly used in water treatment to remove Cl- and SO2-, removing inorganic acid, extracting organic acid and decolorization when refining the citric acid, streptomycin, malic acid, amino acid etc. And it also can be used in recycling of copper and silver ions.
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- Description
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2.Typical Physical and Chemical Properties:
Items Specification Polymer Matrix Structure Epoxy Physical Form and Appearance Golden yellow spherical particle Ionic Form ,as shipped Free Base Functional Groups -NH2、=NH、=N、=N- Total Capacity, wet, volumetric ≥2.1eq/l min Moisture Retention, FB form 60-80% 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.) 30-40% 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 NaOHvolume: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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