Process for the froth flotation of complex metal compounds

Details Process for the froth flotation of complex metal compounds Process for the froth flotation of complex metal compounds

B - Operations, Transporting

03

D

361/1

B03D 1/02 (2006.01) B03B 1/04 (2006.01) B03D 1/002 (2006.01)

Patent

CA 1222581

Abstract The invention relates to a process for the froth flotation of complex ores. In accordance with the invention, froth flotation is usually carried out by using a collector and froth flotation conditions in which it has been calculated in advance that the said mineral and the collector form stable surface compounds. The conditions include the potential of the system, the concentration of the collector, the pH, and other physical factors. According to the invention it has been observed that by adjusting the potential and the concentration of the collector separately for each mineral, each mineral can be frothed out separately from the slurry, the process being in this case specific. When so desired, the different minerals of the slurry can also be frothed simultaneously by selecting the conditions so that the Pourfaix-type diagrams of all minerals overlap under the conditions in question.

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