short note on flotation sorting material into groups
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Froth Floatation process is used for concentration of sulphide ores mainly. The particles based on differences in the ability air bubbles that selectively attach to specific mineral surfaces in mineral water slurry are separated by this method. In this method, crushed ore is suspended in water and air is passed through suspension. To this mixture pine oil is added so that the ore is separated from gangue particles. The wet particles to which air bubbles are attached acts as forth and floats at the top being lighter. The forth is then skimmed off and separated from gangue. It is dried and then the metal is obtained.
Miscibility refers to the ability of one liquid to completely dissolve in another liquid solvent. A distinct layer between the two liquids will not form when we have a solution which is miscible.
Thus, when a distinct layer does form in a mixed solution, this is called immiscibility. As for example, a type of immiscible liquid is oil and water.