Dithiophosphate Collector (Aerofloat Type)
Dithiophosphate (DTP) collectors, commonly known as Aerofloat-type reagents, are versatile sulfide mineral collectors used as primary or secondary collectors in complex mixed sulfide flotation. They offer good selectivity for copper and lead minerals while providing moderate depression of pyrite, and are particularly effective in combination with xanthates to improve concentrate grades. DTP collectors are supplied as liquid or waxy solid products.
Technical Specifications
| pH (neat) | 5-8 |
| appearance | Dark brown liquid or waxy solid |
| flash point (°C) | >60 |
| active content (%) | ≥85 |
Applications
- Complex copper-lead-zinc mixed sulfide flotation
- Secondary collector to boost xanthate performance
- Selective lead flotation in Pb-Zn differential circuits
- Copper flotation in acidic and neutral pH circuits
- Polymetallic ore bulk flotation operations
Key Features
- Selective collector for copper and lead over iron sulfides
- Synergistic effect when combined with xanthate collectors
- Effective over a broad pH range (5-12)
- Reduces pyrite entrainment for higher concentrate grade
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