How do froth stabiliziers such as cresol / aniline, stabilise froth of sulphide ore in froth floatation process? I don't want the explanation of froth floatation method.. please explain me how cresol or aniline help in stabilising froth...

Froth floatation method is used to concentrate the sulphide ores i.e to separate the ore and the gangue particles. Froth stabilizers cresols, aniline are added to stabilize the froth and enhance the non-wettability of the mineral particles. So that the minerals particles become wet by oils while gangue particles by water. The froth takes away all the mineral particles leaving behind the gangue.

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