What is the role of aniline or cresol during froth floatation process?
Froth Stabilizer
Depressant
Wetting agent
All of the above
Frothing agents wets the sulphides particle and with air they form froth and rise to the water surface.
The froth should not break and need to be stabilized during the process. Chemicals added for the stabilization of the froth are called froth stabilizers. Aniline and cresols are examples of stabilizers.