Introduction of Oxidation Gold-Copper Ore

In addition to a sulfide containing ore further contains gold and copper oxide, iron hydroxide minerals, such ore more intractable. In general, the "flotation-cyanide" process can still be used. However, the effect is poor because copper oxide is relatively difficult to float, and gold-containing iron hydroxide can hardly be recovered by flotation. It is also difficult to carry out cyanidation because the ore contains the same minerals that are easily soluble in the cyanide solution. In order to improve the selection of metal minerals, it is only possible to use a more complicated process of combining metallurgy.

The first stage of flotation recovers gold-containing sulfides, the second stage is used to recover copper oxide and gold on the surface, and the gold encapsulated in the oxide. The third stage is used to recover the mineral surface and has been cleaned during the acid leaching process. Containing copper and gold-containing sulfides.

The fully oxidized gold-copper ore has the same process characteristics as the partially oxidized gold-copper ore.

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