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PRODUCT DESCRIPTION
ZGD840 is a macroporous thiouryl chelating ion exchange resin. It is a copolymer of styrene and divinylbenzene with chelating thiocarbamide functional groups. Its unique structure provides high working capacity and excellent chemical and physical stability. It is primarily used for the separation and purification of free mercury and precious metals.
PHYSICAL AND CHEMICAL PROPERTIES
| Appearance | Light white spherical granules | ||
| Polymer matrix structure | Styrene – DVB | ||
| Type | Macroporous | ||
| Functional group | Thiocarbamide | ||
| Ionic form | H+ | ||
| Moisture content, % | 48-58 | ||
| Capacity by volume, g Hg/l | 150 | ||
| Bulk density, g/ml | 0.70–0.74 | ||
| Density | g/ml | 1.10–1.16 | |
| Granule size (0.45-1.25 mm), % | ≥95 | ||
| Effective particle size range, mm | 0.5–1.0 | ||
| Homogeneity coefficient | ≤1.60 | ||
| Swelling (H+ → Hg²+) | % | ≤5 | |
| pH range | 1–13 | |
| Maximum temperature, °C | ≤80 | |
| Layer height | m | 1.0–3.0 |
| Operating flow rate, m/h | 6–8 | |
| Flushing flow rate, m/h | 4–8 | |
