201x7 is a high capacity, shock resistant, gelular,Type I ,strongly basic anion exchange resin.
For Efficient Demineralibation Including Silica Removal201x7 is a high capacity, shock resistant, gelular,Type I ,strongly basic anion exchange resin supplied in the chloride or hydroxide form as moist, uniform, spherical beads. 201x7 is intended for use in all type of deionization systems and chemical processing applications.
Polymer Matrix Structure______________ | Styrene Crosslinked with DVB | Physical Form and Appearance__________ | Clear spherical beads | Whole Bead Count___________________ | 95% min. | Functional Groups____________________ | R-N(CH3)3+ | Ionic Form ,as shipped________________ | CL | Total Exchange Capacity, CL- form, wet, volumetric__________________________ | 1.4 eq/l min. | Moisture Retention, CL- form___________ | 42-48% | Particle Size Range___________________ | 0.3-1.2mm,+1.2 mm <5%, -0.3 mm <1% | Swelling CL-→ OH-__________________ | 18-25% | Shipping Weight (approx.)_____________ | 700 g/l | Specific Gravity, moist CL- Form_______ | 1.09 | PH Range, Stability___________________ | 0 - 14 |
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Suggested Operating Condition: Maximum TemperatureOH- Form__________________ CL- Form__________________ | 60°C (140oF) max. 80°C (176oF) max. | Minimum Bed Depth_________________ | 0.6m(24inches) | Backwash Rate______________________ | 50 to 75% Bed Expansion | Regenerant Concentration | 2 - 6% | Regenerant Flow Rate ________________ | 2 to 8 BV/h (0.25 to 1.0gpm/cu/ft.) | Regenerant Contact Time _____________ | At least 40 minutes | Regenerant Level ____________________ | 112 -300g/L (4 to 10 pounds/ cu/ft.) | Displacement Rinse Rate ______________ | Same as Regenerant Flow Rate | Displacement Rinse Volume ___________ | 10 to 15 gallons/cu.ft. | Fast Rinse Rate ______________________ | Same as Service Flow Rate | Fast Rinse Volume ___________________ | 35 to 60 gallons/cu.ft. | Service Flow Rate ___________________ | 10-25m/h (2 to 10 gpm/cu/ft.) |
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Strong-Base Type I (Gel) Anion Exchange Resin