Apr 06, 2020· Froth flotation is one of the most popular operational processes for mineral beneficiation. In ore/mineral beneficiation, froth flotation is a method by which commercially important minerals are separated from impurities and other minerals by collecting them on the surface of a froth layer. Flotation is the process of separation of beneficial minerals from a
The froth flotation process has transformed some low grade ore deposits that were previously considered unexploitable into deposits of industrial value, solved the problem of recovery of useful components in many fine ore grains, made it easy to obtain high grade and high recovery concentrate, and made reasonable and full use of mineral resources.
Before froth flotation can work, the ore to be treated is reduced to fine particles by crushing and grinding so that the various minerals exist as physically separate grains. This process is known as liberation. The particle sizes are typically less than 0.1 mm , but sometimes sizes smaller than 710 µm are required. There is a tendency for the liberation size of the minerals to decrease over time as the ore bodies with coarse mineral gWikipedia · Text under CC BY SA license
In flotation process, the gas or air bubbles are introduced through culture suspension, and the microalgal biomass get attached to gaseous molecules and accumulated on the liquid surface. This method is particularly effective for thin microalgae suspension that could be simply gravity thickening.