F

Flotation

Quick Reference
Also Known AsFroth flotation, mineral flotation, foam flotation, selective flotation

What is Flotation?

Flotation is a separation process that exploits differences in surface chemistry to separate particles from each other or from a liquid. In mineral flotation (froth flotation), air bubbles are used to selectively attach to hydrophobic particles and carry them to the surface, while hydrophilic particles remain submerged. It is one of the most widely used mineral processing techniques.

Properties & Characteristics

Principle: selective attachment of air bubbles to hydrophobic surfaces. Collectors (surfactants) make target minerals hydrophobic. Frothers stabilize air bubbles. Depressants prevent unwanted minerals from floating. Recovery rates: 80–95% for many sulfide ores. Particle size: optimal 10–150 μm.

Uses & Applications

Mineral processing and ore concentration (copper, lead, zinc sulfides). Paper recycling (deinking). Coal cleaning. Wastewater treatment. Water purification. Oil sands processing. Potash and phosphate recovery.

Safety Information

Flotation reagents (collectors, frothers) may be toxic or irritating. Froth overflow and slurry handling hazards. Dust generation during processing. Wastewater from flotation contains reagents requiring treatment. Proper PPE required for chemical handling.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Flotation
Synonyms Froth flotation, mineral flotation, foam flotation, selective flotation

Frequently Asked Questions

Flotation is a separation process that exploits differences in surface chemistry to separate particles from each other or from a liquid. In mineral flotation (froth flotation), air bubbles are used to selectively attach to hydrophobic particles and carry them to the surface, while hydrophilic particles remain submerged. It is one of the most widely used mineral processing techniques.

More "F" Terms

View all "F" terms →
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z