D72 Macroporous Strong Acid Cation Exchange Resin

• CAS No.: 69011-22-9
• Color: Yellow
• Transport Package: Woven Bag/PE Bag
• Specification: 25L/Bag
• Trademark: SX
• Origin: China
• Model NO.: D72
• HS Code: 3914000000
• Production Capacity: 200000 Cubic Meters/Year

Product Description

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:

Items	Specification
Matrix	Styrene-divinylbenzene
Appearance	Light brown opaque spherical particle
Functional group	-SO3H
Total exchange capacity (mmol/g)(dry)	≥4.4
Total exchange capacity (mmol/ml)(wet)	≥1.4
Particle size range (%)(0.315-1.25mm)	≥95
Water retention (%)	45 - 55
True wet density (g/ml)	1.20 - 1.30
Apparent wet density(g/ml)	0.73 - 0.83
Physical strength (%)	≥90
Total reversible swelling(%)	Na → H   9 - 10
Ionic form as shipped	Na^+

3.Suggested Operating Condition

Maximum Temperature	Na^+ Form	120°C (248^oF) max.
	H^+ Form	100°C (212^oF) max.
Backwash Rate		25 to 50% Bed Expansion
Regenerant Concentration	Hydrogen Cycle	3% HCl or 2 to 3% H2SO4
	Sodium Cycle	6% to 8% NaCl or 3% NaOH
Regenerant  dosage	HC1 or  H2SO4	HC1 or H2SO4 volume:resin volume =3:1
	NaCl	NaCl volume:resin volume =2:1
	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

4.Applications
It is used for water treatment in high flow mixed bed system, catalysis of organic reactions and so on.