Macroporous Strong Base Anion Exchange Resin

Polymer Matrix Structure______________

Styrene Crosslinked with DVB

Physical Form and Appearance__________

Clear spherical beads

Whole Bead Count___________________

95% min.

Functional Groups____________________

R-N(CH3)2(C2H4OH)+

Ionic Form ,as shipped________________

CL or OH

Total Exchange Capacity, CL- form, wet, volumetric__________________________

1.15 eq/l min.

Moisture Retention, CL- form___________

50-55%

Bulk Density

0.65-0.75 g/l

Particle Size Range___________________

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

Effective size

0.4-0.5mm

Swelling CL¯→OH-__________________

15% max

Shipping Weight (approx.)_____________

705 g/l (44 lb/ft3)

PH Range, Stability___________________

0 - 14

Maximum operating temperature:

OH_ form

80°C

Cl_ form

100°C

Bed depth, min.

800 mm (2.6 ft)

Flow rates:

Service/fast rinse

5-50 m/h (2-20 gpm/ft2)

Backwash

See figure 1

Co-current regeneration/displacement rinse

1-10 m/h (0.4-4 gpm/ft2)

Counter-current regeneration/displacement rinse

5-20 m/h (2-8 gpm/ft2)

Total rinse requirement

5-7 Bed volumes

Regenerant:

Type

4-8% NaOH

Temperature

Ambient or up to 50°C (122°F) for silica removal