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D941 Macroporous acrylic acid series weakly alkaline anion exchange resin

    详细说明

    1.Description

    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 special poroid structureand good properties, such as large exchange capacity, strong physical strength, good chemical stability, excellent resistence to contamination and oxidation, speedy exchange capability, regenerating easily etc.

    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

    55-65%

    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.)

    25%

    Shipping Weight (approx.)

    680 -780g/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 extraction and decolorization in food industries of sugars, decolorization and refining of natural drugs, such as antibiotics, ginsenosides, panax notoginseng saponins etc.