D311 Weak alkali styrene type anion exchange resin

1)Product standard: similarly   Amberlite IRA-68,Lewatit AP-49

2)Capacity index:

Ionic form,as shipped: Free-Amino

Functional group: -NH₂ with macroporous structure

Appearance: milky white or yellowish opaque spherical beads
Granularity, granule diameter 0.315-1.25mm, ≥, % :  95

Water retention , % :  58 – 65      

Visual density in wet state, g/mL : 0.70 - 0.80      

True density in wet state, g/mL : 1.07 - 1.12

Exchange capacity, mmol/g, ≥ :  6.5

Swelling ,（OH^- →Cl^-）, % , ≤ :  25

3) Application: D311 is macroporous weak alkali anion exchange resin with highly regeneration capacity, excellent machine strength,mainly for making extraction medicine and citric acid,decolourization sugar syrup and removing salt ,treatment water.

4) Recommended condition for operation:

PH scope : 1 – 9

Maximum  operating temperature: 40℃ (Cl^- )  100 ℃(OH^- )

Resin bed depth : 1 – 3 m

Regeneration solvent thickness :NaOH（2 – 4 %, HCl ( 2 – 4 %)

Regeneration solvent dose： NaCl（2 – 4 %）volume : resin bulk = 3 – 4 :1

                       HCl ( 2 – 4 %) volume : resin bulk  = 3 – 4 :1

Regeneration solvent flow speed: 4 – 6m / h

Regeneration contact time: about  30  min

Washing flow speed: 15 – 25 m / h

Time for washing: about 60 – 120 min

Running speed:  15 – 25 m / h

5) Packaging:  25 liter/ bag