D213 Macroporous Strong Basic Acrylic Acid Series Anion Exchange Resin
About this Product:
The D213 is a macroporous anion exchange resin with a quaternary ammonium functional group (−N(CH3)3OH), set within a cross-linked acrylic acid framework. Its unique macroporous structure and chemistry make it highly effective as an organic substance removal and decolorization agent.
Application
The D213 resin offers high-performance demineralization, with a focus on two key areas:
- Efficient Silica Removal: Achieves low silica levels for high-purity water applications.
- Organic-Rich Water Sources: The resin’s robust, anti-fouling properties make it a superior choice for treating water with a high concentration of organic matter.
These features ensure a high operating exchange capacity and strong resistance to contamination.
Physical and Chemical Properties:
Information | Specification |
Polymer Matrix Structure | Acrylic Crosslinked with DVB |
Physical Form and Appearance | Spherical beads |
Functional Groups | [-N(CH3)3OH] |
Ionic Form, as shipped | CL– |
Total Capacity, CL– form, wet, volumetric | ≥0.85eq/l min |
Moisture Retention, CL–form | 65-75% |
Particle Size Range | 0.40mm-1.25mm |
<0.3mm (max.) | 1% |
Uniformity Coefficient (max.) | 1.6 |
Effective size | 0.5-0.7mm |
Shipping Weight (approx.) | 650 -720g/l |
Specific Gravity, moist CL– Form | 1.08 |
pH Range, Stability | 0 – 14 |
Suggested Operating Condition
Maximum Temperature CL– Form | 75oC (155oF) max. |
Bed depth, min. | 600 mm |
Backwash Rate | 50 to 75% Bed Expansion |
Regenerant Concentration | 2-4% NaOH |
Regenerant dosage NaOH | NaOH vol:resin vol=3:1 |
Regenerant Flow Rate | 2 to 8 BV/h |
Regenerant contact Time | At least 60 minutes |
Service Flow Rate | 10-25m/h |
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