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330 Epoxy weakly alkaline anion exchange resin
| Model No. : | 330 |
|---|---|
| Type : | Resin Rosin |
Product description
330 Epoxy weakly alkaline anion exchange resin
1. Description
This is a kind of weakly alkaline anion exchange resin with primary amine, secondary amine, tertiary amine and quaternary amine groups [-NH2.=NH.=N.=N-] in the epoxy chloropropane-polyethylene polyamine copolymer. It can be used as ion exchanger in acidic,neutral and alkaline mediums, with large exchange capacity and speedy exchange ability.
2.Typical Physical and Chemical Properties:
|
Items |
Specification |
|
Polymer Matrix Structure |
Epoxy |
|
Physical Form and Appearance |
Golden yellow spherical particle |
|
Ionic Form ,as shipped |
Free Base |
|
Functional Groups |
-NH2.=NH.=N.=N- |
|
Total Capacity, wet, volumetric |
≥2.1eq/l min |
|
Moisture Retention, FB form |
60-80% |
|
Particle Size Range |
0.3mm-1.2mm |
|
<0.3mm (max.) |
1% |
|
Uniformity Coefficient (max.) |
1.6 |
|
effective size |
0.4-0.7mm |
|
Reversible Swelling FB –→CL- (max.) |
30-40% |
|
Shipping Weight (approx.) |
650 -720g/l |
|
Specific Gravity, moist FB Form |
1.10 |
|
pH Range, Stability |
1 - 9 |
3.Suggested Operating Condition
|
Maximum Temperature: Free Base Form |
100°C (212oF) max. |
|
|
Backwash Rate |
50 to 75% Bed Expansion |
|
|
Regenerant Concentration |
2-4% NaOH |
|
|
Regenerant dosage |
NaOH |
NaOHvolume: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 mainly used in water treatment to remove Cl- and SO2-, removing inorganic acid, extracting organic acid and decolorization when refining the citric acid, streptomycin, malic acid, amino acid etc. And it also can be used in recycling of copper and silver ions.
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