Polymer Matrix Structure

Crosslinked Polystyrene Divinylbenzene

Physical Form and Appearance

Clear spherical beads

Whole Bead Count

95% min.

Functional Groups

R-SO3¯

Ionic Form ,as shipped

Na

Shipping Weight (approx.)

800 g/l (51 lb/ft3)

Particle Size Range

+1.2 mm <5%, -0.3 mm <1%

Moisture Retention, Na+ form

45-50%

Swelling Na+→ H+

10% max.

Ca2+→Na+

5% max.

Specific Gravity, moist Na+ Form

1.27

Total Exchange Capacity, Na+ form, wet, volumetric

1.9 eq/l min.

Operating Temperature, Na+ Form

150°C (300oF) max.

pH Range, Stability

0 - 14

Maximum Temperature Na+ Form__________________ H+ Form__________________

120°C (248oF) max. 100°C (212oF) max.

Minimum Bed Depth_________________

0.6m(24inches)

Backwash Rate______________________

25 to 50% Bed Expansion

Regenerant ConcentrationHydrogen Cycle___________ Sodium Cycle_____________

6% HCl or 4 to 8% H2SO4 4% to 6% NaCl

Regenerant Flow Rate ________________

4 to 12 BV/h (0.5 to 1.5gpm/cu/ft.)

Regenerant Contact Time _____________

At least 30 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.)