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Highly stable macroporous matrix ensures excellent mechanical strength and resistance to osmotic shock during repeated regeneration cycles.
Carboxylic acid functional groups provide superior selectivity for divalent cations (e.g., Ca²⁺, Mg²⁺) over monovalent ions like Na⁺.
Low operating pH range (typically 4–7) enables efficient softening and demineralization of high-alkalinity feedwaters without acid pretreatment.
Fast kinetics and high exchange capacity (>8.0 eq/L in H⁺ form) support compact system design and reduced vessel footprint.
Chemically robust structure withstands exposure to oxidants, organics, and suspended solids commonly found in industrial wastewater streams.
Industrial water softening in boiler feedwater and cooling tower makeup systems.
Pretreatment for reverse osmosis (RO) and nanofiltration (NF) systems to prevent scaling by selective removal of hardness ions.
Recovery of metal ions (e.g., Ni²⁺, Cu²⁺, Co²⁺) from electroplating rinse waters and hydrometallurgical leachates.
Decalcification and alkalinity reduction in sugar refining and beverage production processes.
Removal of heavy metals from municipal and industrial wastewater prior to discharge or reuse.
| Chemical Type | Macroporous weak acid cation exchange resin with carboxylic functional groups |
| Product Form | Moist spherical beads, ready-to-use in sodium or hydrogen form |
| Appearance | Opaque light amber to brown beads |
| Functional Group | –CH₂–COOH (carboxylic acid) |
| Ion Exchange Capacity (H⁺ form) | ≥ 8.0 eq/L (dry basis) |
| Particle Size Range | 0.4 – 1.25 mm (≥ 95% retained on 0.315 mm sieve) |
| Moisture Content | 45 – 55% (w/w) |
| pH Stability Range | 2 – 12 (short-term exposure); optimal operation at pH 4–7 |
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E-mail: wangxingqiang@ericwchem.com
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