Customization: | Available |
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Formula: | R -N+(CH2coo)2 - |
Molecular Principal Chain: | Carbon Chain Polymer |
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Chelating Macroporous Styrene Series
Weak Acid Iminodiacetate Group Cation Exchange Resin
for Selective Adsorption of Heavy Metallic Chromium(Cr3+) Ions
TECH-INDEXES: | SPECIFICATIONS: |
Matrix: | Styrene-divinylbenzene copolymer |
Functional groups: | _N+(CH2COO)2- (iminediacetic acid) |
Physical form: | Cream beige opaque spherical beads |
Ionic form as shipped: | Na+ form |
Moisture holding capacity(%): | 55 to 60% |
Chromium ions(Cr3+) adsorption capacity: | ≥33g/L |
Total bulk exchange capacity: | ≥1.89mmol/ml |
Moisture true density: | 1.13~1.20g/mL |
Moisture bulk density: | 0.72~0.82g/mL |
Effective particle size: | 0.4~0.6mm |
Particle size: | 0.315~1.20mm |
Uniformity coefficient: | ≤1.6 |
Integrated beads ratio after grinding test: | ≥95℅ |
Maximum swelling rate of resin after ionic state transition: | Na+ ->H+ : 11% |
Maximum operating temperature: | 100°C |
Minimum bed depth: | 800mm |
Service flow rate: | 5~40 BV*/h |
Maximum service velocity: | 60 m/h |
Regenerant: | HCl | H2SO4 | |
Level(Counted by 100%): | 50-100g/L | 70~150g/L | |
Concentration: | 4~8℅ | 10~30℅ | |
Flow rate: | 1~3 BV*/h | 0.5~2 BV*/h | |
Minimum contact time: 30min | |||
Slow rinse: | 2BV 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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