Nitrate-Selective Strong Base Anion Exchange Resin
CAS Number: 69011-19-4
Nitrate-selective Type I strong base anion resin with preferential NO₃⁻ selectivity sequence for drinking water and groundwater nitrate reduction below EU/WHO limits.
Technical Specifications
| type | Type I strong base anion (Cl-form) |
| packaging | 25 L bag or 1000 L supersack |
| appearance | Amber spherical beads |
| regenerant | NaCl brine 8–12% |
| nitrate outlet | < 10 mg/L NO₃-N (EU limit) |
| total capacity | ≥ 1.0 meq/mL |
| selectivity sequence | NO₃⁻ > Cl⁻ > SO₄²⁻ |
Applications
- Drinking water nitrate removal
- Groundwater treatment
- Agricultural irrigation water denitration
- Municipal water softening-denitration combined systems
- Industrial process water nitrate control
Key Features
- Superior nitrate selectivity over sulfate — reduces nitrate without sulfate interference
- Reduces nitrate from > 50 mg/L to < 10 mg/L (EU Drinking Water Directive)
- Salt brine regenerable — low operating cost
- High mechanical strength — long service life of 5–8 years