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Flotation
May 21, 2018

Flotation refers to the use of a surfactant-foaming agent that produces a large number of bubbles. When air is introduced into the water or the water enters the water due to agitation of the water, the hydrophobic end of the surfactant is oriented toward the air side of the air bubble at the air-liquid interface, and the hydrophilic end is still in solution, forming bubbles; the other The trapping surfactants (usually cationic surfactants, also including fatty amines) are adsorbed on the surface of the solid mineral powder. This adsorption has a certain degree of selectivity depending on the nature of the mineral. The basic principle is to use lattice defects on the surface of the crystal, and the outward hydrophobic end is partially inserted into the bubble, so that the bubble may specify during the flotation process. The ore powder is taken away to achieve the purpose of beneficiation.