How is copper or cobalt removed from sulphide ore?
(a) Leaching
(b) Filtration
(c) Sieving
(d) Froth floatation
This question was addressed to me by my school teacher while I was bunking the class.
My enquiry is from Roasting of Sulphide Ores topic in chapter Industrial Applications of Fluidized Beds of Fluidization Engineering