Phone:
+86 0319 2296164
Email:
info@lijiresin.cn
Macroporous Styrene Chelating Resin D403, engineered by Hebei Lijiang Biotechnology Co., Ltd., is a high-performance ion exchange medium designed for superior selective metal recovery and purification. Featuring a highly cross-linked polystyrene matrix with a macroporous structure, D403 provides an optimized surface area that accelerates ion diffusion and enhances adsorption kinetics, making it indispensable for capturing heavy and precious metals from complex industrial solutions.
Certified to ISO9001, SGS, WQA, and FDA standards, this versatile resin ensures consistent operational reliability and chemical stability even in harsh environments. Whether deployed as a standalone solution or integrated with Amberlite IRA 900 and Amberlite XAD 2 in multi-stage systems, D403 optimizes purity and recovery rates for copper, nickel, cobalt, and rare earth elements, bridging the gap between high industrial performance and sustainable cost efficiency.
| Appearance | Pale yellow opaque spherical beads | Ionic Form | Na+ |
|---|---|---|---|
| Cu Exchange Capacity | ≥0.6 mmol/ml | Real Density | 1.10~1.20 g/ml |
| Bulk Density | 0.70~0.80 g/ml | Water Retention | 55%~65% |
| Particle Size Range | 0.315~1.25 mm ≥95% | Uniformity Coeff. | ≤1.6 |
| Whole Bead Count | ≥95% | Compliance | ISO9001, SGS, WQA, FDA |
High chemical and thermal resistance ensures long-term operational reliability in extreme industrial environments.
The macroporous structure facilitates faster ion diffusion, significantly reducing processing time and increasing throughput.
Engineered to selectively bind copper, nickel, cobalt, and rare earths even in complex, multi-ion solutions.
Works seamlessly with Amberlite IRA 900 and XAD 2 to create high-purity multi-stage purification systems.
Meets rigorous food-grade standards, making it suitable for pharmaceutical and high-purity water applications.
Extended service life and reduced chemical consumption lower the overall Total Cost of Ownership (TCO).
Strict adherence to ISO9001 and SGS standards for batch-to-batch consistency.
Expert guidance on flow paths: alkali-water-acid-water for maximum efficiency.
FDA and WQA certifications ensure safety for food-grade and medical applications.
Guidelines for wet-state preservation and anti-freezing during transportation.
Integrated flocculation and sand-filtration to prevent pore jamming.
Precision diameter ratio and bubble removal via wet packing or back-flushing.
| Metric | Standard Resins | D403 Chelating Resin |
|---|---|---|
| Recovery Rate | Moderate | Ultra-High (Selective) |
| Service Life | Standard | Extended (High Durability) |
| Chemical Waste | High Consumption | Reduced Consumption |
| Purity Level | Basic Separation | High-Purity Recovery |
| OpEx Cost | Medium/High | Low (Long-term Stability) |
Unlike standard resins, D403 is a chelating resin with a macroporous styrene structure, allowing it to selectively bind specific metal ions (like copper and nickel) rather than performing general ion exchange.
The resin should be kept in a wet state above 0°C. For long-term storage, it should be placed in a closed space or immersed in a 5% or higher salt water solution to prevent dehydration.
Yes, the D403 resin is FDA compliant and certified by WQA, ensuring it meets the safety requirements for food-grade and pharmaceutical purification processes.
To prevent clogging the resin pores with suspended solids, it is recommended to implement steps such as flocculation, filtration, or sand-filtration before the liquid enters the column.
D403 is highly effective for the recovery of copper (Cu), nickel (Ni), cobalt (Co), and various rare earth elements from complex metallurgical and chemical solutions.
Generally, an alkali-water-acid-water flow path is required. For strict purity requirements, three circulation cycles are recommended before reaching the final ion kernel.
