Thionocarbamate Collector (Z-200 Type)
Thionocarbamate collectors, represented by the Z-200 family, are highly selective copper collectors that provide excellent discrimination between chalcopyrite and pyrite in alkaline and mildly acidic flotation circuits. They are particularly valued in porphyry copper operations where minimizing iron sulfide dilution in the concentrate is critical to smelter penalties. Thionocarbamates are effective at low dosages and may be used alone or blended with xanthates.
Technical Specifications
| appearance | Clear to pale yellow liquid |
| pH (as supplied) | 6-9 |
| active content (%) | ≥90 |
| viscosity (mPa·s, 25°C) | 5-20 |
Applications
- Selective chalcopyrite flotation in porphyry copper ores
- High-grade copper concentrate production with low pyrite dilution
- Copper-molybdenum differential flotation
- Blending component with xanthates in copper circuits
- Reprocessing of pyrite-rich copper tailings
Key Features
- Exceptional selectivity for chalcopyrite over pyrite
- Enables high-grade copper concentrates with reduced Fe penalties
- Low dosage requirement reduces operating costs
- Broad pH flexibility from acidic to alkaline conditions
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