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Frothing, also known as Froth Flotation, is the process of selectively separating hydrophobic valuable minerals from hydrophilic waste gangue. In its simplest form, froth flotation is a method whereby minerals can be “skimmed” from the surface of “slurry” that is “foamed” with the assistance of specific chemicals, water and air bubbles.

In mineral processing, Frothers are used to produce small persistent air bubbles. The role of the frother is to produce a stable and mobile froth so that the targeted hydrophobic particles can be picked up and floated to the top of the float cell where they are concentrated for further processing. Frothers separate hydrophobic from hydrophilic materials, recovering an array of minerals containing valuable commodities such as like copper, lead, zinc, nickel, silver, gold, molybdenum, phosphate and potash.

OAN range of flotation frothers include:
1. alcohols
2. glycols
3. ethers
4. terpenes

OAN also provides custom tailored blends, formulated specifically for your needs and covers the full range of requirements, from low strength for selective flotation through to high strength for coarse particle recovery with favourable collapse time.


  • Low consumption, less sensitive to pH changes.
  • Increased flotation kinetics.
  • Improved flotation selectivity.
  • Leads to significantly improved grade and recovery.
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