D941 Macroporous Acrylic Acid Series Weak Alkaline Anion Exchange Resin
About this Product:
This macroporous anion exchange resin is composed of a methyl acrylate-divinylbenzene copolymer and features polyamine functional groups. Its specialized porous structure provides a unique combination of performance and durability.
The resin’s key attributes include:
Speedy Exchange & Easy Regeneration: Facilitates rapid ion exchange and efficient, cost-effective regeneration cycles.
Large Exchange Capacity: Efficiently removes a high volume of ions.
Strong Physical Strength: Ensures long-term durability and resistance to stress.
Excellent Stability: Offers robust resistance to chemical degradation, contamination, and oxidation.
Application
This resin is a versatile solution for key extraction and purification processes in the food and pharmaceutical industries. Its primary applications include:
Pharmaceuticals & Natural Drugs: Effective for the decolorization and refining of natural drugs, such as antibiotics, ginsenosides, and panax notoginseng saponins.
Food Processing: Used for the extraction and decolorization of sugars.
Physical and Chemical Properties:
Information | Specification |
Polymer Matrix Structure | Methyl acrylate-divinylbenzene |
Physical Form and Appearance | Light yellow opaque spherical particle |
Functional Groups | –NH2 |
Ionic Form, as shipped | Free Base |
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 |
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 | NaOH vol:resin vol =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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