Kerosene (Coal Flotation Collector)
Flotation-grade kerosene is a non-polar hydrocarbon oil collector primarily used in fine coal flotation to enhance the hydrophobicity of coal particles and improve their recovery in froth flotation circuits. It selectively wets carbonaceous surfaces over mineral gangue, making it the most widely used collector in coal preparation plants worldwide. Kerosene is typically used with an alcohol-based frother to produce stable, coal-rich froths.
Technical Specifications
| appearance | Clear to pale yellow liquid |
| flash point (°C) | >38 |
| boiling range (°C) | 150-250 |
| density (g/mL, 20°C) | 0.78-0.82 |
Applications
- Fine coal flotation in coal preparation plants
- Low-rank and oxidized coal recovery improvement
- Graphite ore flotation pre-concentration
- Carbonaceous matter recovery in gold ore processing
- Molybdenite flotation as auxiliary non-polar collector
Key Features
- Highly effective non-polar collector for carbonaceous surfaces
- Wide availability and low cost for large-scale coal flotation
- Easy dosing as neat liquid or emulsified with frother
- Proven performance across wide range of coal rank and particle size
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