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1. Description:
“Hydrolite” ZGA 455 is a type of anion exchange resin containing a tertiary amino group [-N(CH3 ) 2 ] in a styrene-diethylene benzene copolymer with a macroporous structure. It is mainly used for the absorption and recovery of gold from gold-containing solutions and wastewater, the absorption and recovery of hexavalent chromium from chromium-containing solutions and wastewater, and the absorption and recovery of hexavalent mercury from mercury-containing solutions and wastewater.
2. Typical physical and chemical properties:
|
Indicators |
Meaning |
|
Appearance |
Milky white or light yellow opaque spherical granules |
|
Ionic form |
Free amine |
|
Moisture content, % |
50.00-60.00 |
|
Total exchange capacity, mmol/g |
≥4.80 |
|
Bulk density, g/ml |
0,65-0,75 |
|
True density, g/ml |
1.020-1.080 |
|
Particle size range, % |
(0.710-1.400 mm)≥95 |
|
Sphericity after erasure, % |
≥90.00 |
