Macroporous styrene series weakly alkaline
Product Description
D301G Macroporous styrene series weakly alkaline anion exchange resin
1. Description
This is a kind of anion exchange resin which has tertiary amine groups in styrene-divinylbenzene copolymer. It can remove effectively organic coloring matters, inorganic acids and silicates from acidic and nearly neutral medium, with its weak alkalinity. It also can adsorb the big-sized impurities and be used in non-aqueous solution. This resin has good properties, such as highly-efficient regeneration capability, large exchange capacity, strong contamination resistance, excellent physical strength etc.
2.Typical Physical and Chemical Properties:
①Polymer Matrix Structure:Crosslinked Polystyrene Divinylbenzene
②Physical Form and Appearance:Ivory opaque spherical particle
③Functional Groups:R-N(CH3)2
④Ionic Form ,as shipped:Free Base
⑤Total Capacity, Free Base form, wet, volumetric:≥1.40eq/l min
⑥Moisture Retention, FB form:50-60%
⑦Particle Size Range:0.6mm-1.6mm
⑧<0.6mm (max.): 5%
⑨Uniformity Coefficient (max.): 1.6
⑩effective size:≥0.6mm
⑾Reversible Swelling CL-→ FB(max.):20-25%
⑿Shipping Weight (approx.):640 -710g/l
⒀Specific Gravity, moist FB Form:1.09
⒁pH Range, Stability:1 - 9
3.S ested Operating Condition
①Maximum Temperature: Free Base Form 100°C (212oF) max.
②Backwash Rate: 50 to 75% Bed Expansion
③Regenerant Concentration:2-4% NaOH
④Regenerant dosage: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 mainly used in hydrometallurgy, extracting the gold from the ore slurry and manufacturing pure water and high purity water.
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