Firm Gel Strong Base Anion Exchange Resin
for Anionic Metal Complex Separation
202, aka 719 is a premium grade strongly basic anion exchange resin of the type II, with a clear gel structure. It has a highly firm structure, which empowers its excellent performance in machinery resistance, anti-osmotic and impact resistance. Also, for its special functional group -dimethylethanolamine, model 202 has a rather strong intensity and high exchange capacity. In addition to its main use in desalting system, it is also applied in wastewater treatment and separation of anionic metal complex compound, etc.
PROPERTIES:
TECH-INDEXES: | SPECIFICATIONS: |
Matrix: | Styrene-divinylbenzene copolymer |
Functional groups: | - (CH3)2NCH2CH2OH |
Physical form: | Milky white transparent spherical beads |
Ionic form as shipped: | Cl-form |
Moisture holding capacity(%): | 50 to 56% |
Total mass exchange capacity: | ≥3.5mmol/g |
Total bulk exchange capacity: | ≥1.4mmol/ml |
Moisture true density: | 1.05~1.10g/ml |
Moisture bulk density: | 0.65~0.73g/ml |
Effective particle size: | 0.50~0.70mm |
Particle size: | 0.315~1.25mm |
Uniformity coefficient: | ≤1.5 |
Integrated beads ratio after grinding test: | ≥90℅ |
Maximum swelling rate of resin after ionic state transition: | Cl- -> OH- : 25% |
SUGGESTED OPERATING CONDITIONS:
Maximum operating temperature: | 60°C |
Minimum bed depth: | 700mm |
Service flow rate: | 10~120 BV*/h |
Maximum service velocity: | 120 m/h |
Regenerant: | NaOH |
Level(Counted by 100%): | 60~150g/L |
Concentration: | 2~4% |
Flow rate: | 2~8 BV*/h |
Minimum contact time: | 40min |
Slow rinse: | 2 BV at regeneration flow rate |
Fast rinse: | 4~8 BV at service flow rate |
*1 BV(Bed Volume)= 1m3 solution per m3 resin |



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Port of Loading: Shanghai Port, China