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D315 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 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.

    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

    ≥2.0eq/l min

    Moisture Retention, FB form

    54-64%

    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.)

    15%

    Shipping Weight (approx.)

    660 -730g/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 of drugs, alkaline water and radioactive waste water treatment, extraction and decolorization of biochemical substance ,such as citric acid, vitamin C etc, refining and decolorization of sugar solution, removal of inorganic acids, such as Cl-,SO42- etc, extracting molybdenum in hydrometallurgy and water treatment industries