D941 Macroporous acrylic acid series weakly alkaline anion exchange resin
详细说明
1.Description
This product is a kind of anion exchange resin which has polyamine groups in the methyl acrylate-divinylbenzene copolymer, with macroporous structure. This resin has special poroid structureand good properties, such as large exchange capacity, strong physical strength, good chemical stability, excellent resistence to contamination and oxidation, speedy exchange capability, regenerating easily etc.
2.Typical Physical and Chemical Properties:
Items | Specification |
Polymer Matrix Structure | Methyl acrylate-divinylbenzene |
Physical Form and Appearance | light yellow opaque spherical particle |
Ionic Form ,as shipped | Free Base |
Functional Groups | –NH2 |
Total Capacity, wet, volumetric | ≥2.1eq/l min |
Moisture Retention, FB form | 55-65% |
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.) | 25% |
Shipping Weight (approx.) | 680 -780g/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 extraction and decolorization in food industries of sugars, decolorization and refining of natural drugs, such as antibiotics, ginsenosides, panax notoginseng saponins etc.
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