Strong Acid Cation Exchange Resin
CAS Number: 9002-23-7
Gel-type strong acid cation exchange resin with sulfonate functional groups, used for water softening, demineralization, and condensate polishing in power generation and industrial water treatment. It exchanges calcium, magnesium, sodium, and other cations with hydrogen or sodium ions, producing softened or deionized water. Compatible with HCl and H2SO4 regeneration.
Technical Specifications
| appearance | Amber spherical beads |
| particle size | 0.4–1.25 mm (≥95%) |
| functional group | Sulfonate (-SO3H) |
| matrix structure | Gel type polystyrene-DVB |
| moisture content | 45–50% |
| operating pH range | 0–14 |
| total exchange capacity | ≥1.7 mmol/mL (wet volume) |
Applications
- Water softening in industrial boilers and cooling towers
- Two-bed or mixed-bed deionization for high-purity water
- Power plant condensate polishing
- Food and beverage process water demineralization
- Pharmaceutical water (WFI) production pre-treatment
Key Features
- High capacity sulfonate resin for efficient cation removal in H or Na cycle
- Uniform bead size ensures consistent bed pressure drop and flow distribution
- Compatible with HCl and H2SO4 regenerants
- Long service life with excellent osmotic and mechanical stability
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