Froth floatation process is based on-

Correct option is A

The correct answer(a) Wetting of ore particles
· The froth flotation process is based on the differential wetting properties of ore and gangue particles. In this process, ore particles are selectively wetted by water-repellent agents (like oil) and gangue particles are wetted by water. Air bubbles are passed through the mixture, and the ore particles attach to the bubbles and rise to the surface as froth, while the gangue particles sink.
Information Booster:
· Froth flotation is commonly used for the concentration of sulphide ores, such as copper, lead, and zinc ores.
· Collectors, like pine oil, are added to enhance the non-wettability of the ore particles.
· Froth stabilizers, such as aniline or cresol, are added to stabilize the froth and make the process more efficient.
Additional Information:
· Electrical properties of ore: Not relevant to froth flotation, but can be used in electrostatic separation methods.
· Specific gravity of ore particles: Used in gravity separation techniques such as jigging and tabling.
· Magnetic particles of ore: Utilized in magnetic separation, which is used for magnetically susceptible ores like magnetite.