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Weak base anion

  • D318 Macroporous Weak Alkaline Crylic Acid Series  Anion Exchange Resin

D318 Macroporous Weak Alkaline Crylic Acid Series Anion Exchange Resin

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  • Appearance:Milky white to faint yellow opaque globular particle
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This product is a type of weak alkaline anion exchange resin with polyamine groups which is achieved by aminolysis of methyl acrylate crosslinking copolymer with macroporous structure through ethylene polyamine. It has properties like large exchange capacity, small volume change, high mechanical strength, good chemical stability and excellent resistance of stain and oxidation, fast exchange rate and others.

Original designation of this product is 703# which is equivalent to Amberlite IRA-68 and AP-9 of foreign products.

Product Specifications

1. Appearance: Milky white to faint yellow opaque globular particle .

2. Ex works Type: Free amine type.

3. Main Performance Indexes:

Reference Indexes for Operation

1. pH Range:                                        1-9

2. Max. Operating Temperature:            Oxy Hydrogen Type 100, Chlorine Type 40

3. Transformation Expansion Ratio%:     (OH-Cl-) 25

4. Height of Industrial Resin Bed:          1-3m

5. Concentration of Regenerated Liquid: HCl 2-4%; NaOH 2-4%

6. Dose of Regenerated Liquid:              HCl (2-4%) Volume : Resin Volume =3-4 : 1

                                                           NaOH (2-4%) Volume : Resin Volume =3-4 : 1

7. Flow Rate of Regenerated Liquid:      4-6 m/h

8. Regenerated Liquid Contact Duration: Approx.30 Min.

9. Flow Rate of Conventional Well-flushing: 15-25 m/h

10. Duration of Conventional Well-flushing: Approx.60-120Min.

11. Running Flow Rate:                        15-25 m/h



This product is mainly applicable for the separation and purification of tungsten and molybdenum in hydrometallurgy which has large adsorption capacity, good separation effect, and high mechanical strength. It’s also extensively applicable for medicine extraction, decolorization of biological fermentation liquid,deoxidisation and decolorization of sugar solution,refining of citric acid and lactic acid,as well as water treatment.