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Highly selective for heavy metal cations including Cu²⁺, Ni²⁺, Co²⁺, and Zn²⁺ under low-concentration and neutral-to-alkaline pH conditions.
Exceptional chemical stability in acidic and oxidative environments, enabling robust performance in aggressive process streams.
Functionalized with iminodiacetate chelating groups grafted onto a macroporous polystyrene-divinylbenzene matrix.
Low pressure drop and high hydraulic capacity due to uniform spherical bead morphology and optimized particle size distribution (0.3–1.2 mm).
Regenerable with dilute acid (e.g., 5% HCl or H₂SO₄) without significant loss of capacity or structural integrity over multiple cycles.
Recovery of valuable metals from electroplating rinse waters and PCB manufacturing effluents.
Purification of nickel and cobalt solutions in hydrometallurgical leachate processing.
Removal of trace heavy metals from pharmaceutical-grade water and ultrapure process streams.
Treatment of mining drainage and acid mine drainage (AMD) to meet stringent discharge limits.
Separation and concentration of transition metals in catalyst recycling and battery black mass leaching solutions.
| Chemical Type | Iminodiacetate-functionalized chelating resin |
| Product Form | Moist, spherical beads |
| Appearance | Light yellow to amber, free-flowing granules |
| Matrix Structure | Macroporous polystyrene-divinylbenzene copolymer |
| Particle Size Range | 0.3 – 1.2 mm |
| Moisture Content | 45 – 55% (as shipped) |
| Ion Exchange Capacity (H⁺ form) | ≥ 2.0 meq/mL (wet volume) |
| pH Stability Range | 1 – 12 (short-term exposure up to pH 13) |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
