Froth flotation

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Froth flotation
Froth flotation
Foam from froth flotation
Foam from froth flotation
Froth flotation
Froth flotation
Symbol for flotation
Symbol for flotation
Flotation at Boliden, Sweden, 2007
Flotation at Boliden, Sweden, 2007

Froth flotation is an operation to pretreat minerals.

It is the most important process to concentrate sulfide ores. The sulfide mineral particles are made hydrophobic by the addition of reagents and when air is blown into the flotation cell a metal sulfide containing foam is produced and collected.

Reagents

  • water or other suitable process liquid
  • pulverized minerals

To increase the performance

  • Frothers
  • collectors
  • modifiers
  • oil?

See also


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