Suqing D311 from Suqing's acrylic-based macroporous weak-base anion exchange resin range is a high-performance weak-base anion exchange resin developed for food and pharmaceutical purification and special water treatment scenarios. With free amine ionic form, it appears as milky white to pale yellow spherical particles, featuring ultra-high total exchange capacity and excellent mechanical strength
Ultra-high exchange efficiency - Total exchange capacity ≥7.2mmol/g (dry basis), large adsorption capacity, capable of efficiently treating medium and low concentration anion-containing media with outstanding purification efficiency.
Excellent mechanical strength - Osmotic grinding sphericity ≥90%, strong resistance to abrasion and osmotic pressure shock, not easy to break during long-term operation, long service life.
Precise selective adsorption - Excellent selectivity for anions such as SO₄²¯ and Cl⁻, strong adsorption pertinence, which can accurately ensure purification and water treatment effects.
Food industry purification: Adsorption and purification in the production of food additives such as citric acid and vitamin C, improving product purity and quality.
Pharmaceutical industry refinement: Removal of anionic impurities in the production of pharmaceutical intermediates and APIs, ensuring drugs meet pharmacopoeia standards.
Industrial wastewater treatment: Treatment of sulfur-containing and chlorine-containing wastewater in chemical, smelting and other industries, reducing anion concentration in water to achieve compliance with discharge standards.
| Resin Type | Acrylic-based macroporous weak-base anion exchange resin |
| Ionic Form | Free amine type |
| Appearance | Milky white to pale yellow spherical particles |
| Particle Size Range | 0.315-1.25mm, ≥95% |
| Effective Particle Size | 0.4-0.7mm |
| Uniformity Coefficient | ≤1.6 |
| Osmotic Grinding Sphericity | ≥90% |
| Total Exchange Capacity | ≥7.2mmol/g (dry basis) |
| Moisture Content | 58-65% |
| Wet Bulk Density | 0.70-0.80g/ml |
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