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Are Oxide Ores Generally Amenable to Flotation Process (2 replies and 1 comment)
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Are Oxide Ores Generally Amenable to Flotation Process?
Hello All.
How amenable are oxide ores to flotation process?
We are considering developing an oxide ore deposit with average grade content of 2.4 gpt and 650 gpt (Au/Ag) respectively.
Recent GRG Testing of the ore samples at the Met-Solve Laboratories in Canada yielded maximum 24% and 36% (Au/Ag) recoverability, by gravity concentration – which is not economically viable.
Heap leaching cyanidation – the process in which we are experienced and would’ve preferred – is out of the question, due to the proximity of the ore deposit to a local dam, and the inherent environmental risk factor. Therefore, our options are just about limited to the flotation process.
As such, could anyone kindly:
1) Enlighten us as to the general amenability of oxide ores to the flotation process?
2) Suggest good reference source(s) from which a practical knowledge of the flotation process can be acquired.
Any assistance would be greatly appreciated.