NOVEL METHOD FOR THE FLOTATION OF BASTNAESITE ORE

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A method is provided for using flotation techniques for separating rare earth metal compounds from bastnaesite ore. The method can include grinding the ore to obtain an aqueous slurry of particles, adding a depressant agent to the slurry and adjusting the pH to a suitable value for the flotation process, adding a collector mixture to the slurry that includes at least one hydroxamic acid, and adding a frother agent to the slurry, followed by subjecting the slurry to froth flotation.