Macroporous Strong Acid Cation Exchange Resin - D72

D72 Macroporous Strong Acid Cation Exchange Resin
1. Description
This product, with macroporous structure, can exchange and adsorb big-sized ions and molecules, and provided with better physical and chemical stability. It has strong capabilities of permeation resistance, abrasion resistance, oxidation resistance and so on. It can be used in non-aqueous medium.

2.Typical Physical and Chemical Properties:
①Matrix：Styrene-divinylbenzene
②Appearance：Light brown opaque spherical particle
③Functional group：-SO3H
④Total exchange capacity (mmol/g)(dry)：≥4.4
⑤Total exchange capacity (mmol/ml)(wet)：≥1.4
⑥Particle size range (%)(0.315-1.25mm)：≥95
⑦Water retention (%)：45 - 55
⑧True wet density (g/ml)：1.20 - 1.30
⑨Apparent wet density（g/ml）：0.70 - 0.80
⑩Physical strength (%)：≥90
⑾Total reversible swelling（%）：Na → H 9 - 10
⑿Ionic form as shipped：Na+

3.Suggested Operating Condition
①Maximum Temperature：Na+ Form 120°C (248°F) max.
H+ Form 100°C (212°F) max.
②Backwash Rate： 25 to 50% Bed Expansion
③Regenerant Concentration：Hydrogen Cycle 3% HCl or 2 to 3% H2SO4
Sodium Cycle 6% to 8% NaCl or 3% NaOH

④Regenerant dosage：HC1 or H2SO4 HC1 or H2SO4 volume:resin volume =3:1
NaCl volume:resin volume =2:1
NaOH volume:resin volume =3:1
⑤Regenerant Flow Rate：2 to 4 BV/h
⑥Regenerant contact Time：At least 40 minutes
⑦Service Flow Rate：10-25m/h
4.Applications
It is used for water treatment in high flow mixed bed system, catalysis of organic reactions and so on.