D301 Macroporous styrene series weakly alkaline anion exchange

Polymer Matrix Structure

Crosslinked Polystyrene Divinylbenzene

Physical Form and Appearance

Ivory opaque spherical particle

Functional Groups

R-N(CH3)2

Ionic Form ,as shipped

Free amine

Total Capacity, FB form, wet, volumetric

≥1.45eq/l min

Moisture Retention, FB form

48-58%

Particle Size Range

0.3mm-1.2mm

<0.3mm (max.)

1% 

Uniformity Coefficient (max.)

1.6

effective size

0.4-0.7mm

Reversible Swelling   OH-→ Cl-  (max.)

15 - 20

Shipping Weight (approx.)

650 -720g/l

Specific Gravity, moist  FB  Form

1.03-1.06

pH Range, Stability

1 - 9

Backwash Rate

50 to 75% Bed Expansion

Regenerant Concentration

2-4% NaOH

Regenerant dosage

NaOH

NaOH volume:resin volume =3:1

Regenerant Flow Rate

2 to 4 BV/h

Regenerant contact Time

At least 40 minutes

Service Flow Rate

10-25m/h