Macroporous Strong Acid Styrene Cation Exchange Resin D001 is a high-performance ion exchange material renowned for its robust structure, exceptional adsorption capacity, and versatility across industrial processes，its tailored structural and chemical attributes, engineered for various industrial environments such as water treatment, pharmaceuticals, chemicals, food, sugar production, and environmental protection.
Chemical and Physical properties
• Matrix Composition: Crosslinked polystyrene-divinylbenzene copolymer with a macroporous sponge-like structure, Effective particle size (0.4– 0.7 mm) and a high surface area (450 ～550 m²/g) . This design enhances ion diffusion and adsorption kinetics, outperforming gel-type resins by 10x in exchange speed .
• Particle Properties: Light brown opaque spherical beads (0.5–0.9 mm diameter) with a uniformity coefficient ≤1.6, minimizing pressure drop in fixed-bed systems .
• Durability: Exceptional resistance to oxidation, osmotic shock,swelling resistance and organic fouling, with ≥90% bead integrity after attrition tests .
Applications of D001 Resin
1.Amino Acid Recovery
In bioprocessing, D001 facilitates the purification of amino acids from fermentation broths with industry-leading efficiency:
• Selective Adsorption: Targets cationic amino acids (e.g., L-lysine, L-phenylalanine) via electrostatic interactions, separating them from anionic impurities and sugars .
• Food-Grade Purity: Used in refining citric acid and monosodium glutamate (MSG), meeting Development of National Food Safety Standards and Good Manufacturing Practice (GMP) for Drug Production.
2.Industrial Water Treatment
D001 resin delivers superior performance in water purification across sectors:
• Hard Water Softening: Removes Ca²⁺ and Mg²⁺ ions, reducing scaling in boilers and pipelines .
• High-Purity Water Production: Used in mixed-bed systems for ultrapure water (UPW) preparation, critical for semiconductor and pharmaceutical industries .
• Condensate Polishing: Purifies steam condensate in power plants, maintaining boiler efficiency by reducing dissolved solids to ppb levels .
3.Precious Metal Recovery
D001 resin’s high selectivity for heavy metal cations makes it ideal for extracting gold, platinum, and palladium from dilute solutions:
• Efficiency: Achieves >98% adsorption efficiency for Au³⁺ from electronic waste leachates (e.g., dilute aqua regia) and mining wastewater .
• Regenerability: Eluted with thiourea-HCl solutions, enabling resin reuse for ≥3 cycles without capacity loss .
4.Catalysis
As a solid acid catalyst, D001 replaces corrosive liquid acids in organic synthesis:
• Reaction Scope: Promotes esterification, etherification, and ketalization reactions. For example, it catalyzes cyclohexanone ketalization with 1,4-butanediol, achieving 97% conversion at 50°C .
• Advantages: Eliminates acid waste, simplifies product separation, and maintains activity over 10+ cycles.
Conclusion
Macroporous Strong Acid Styrene Cation Exchange Resin D001 is a versatile material that bridges efficiency and sustainability across industries. Its macroporous structure, high exchange capacity, and mechanical robustness make it a preferred choice for water treatment, resource recovery, and green chemistry. As industries prioritize circular economy practices, D001 continues to enable cleaner processes and resource conservation.
