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330 Epoxy weakly alkaline anion exchange resin

    详细说明

    1. Description

    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.

    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

    1.10

    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




    4.Applications

    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.