Recovery method of high-iron highly-argillaceous alkaline gangue refractory oxide copper ore
A recovery method and difficult-to-handle technology, applied in chemical instruments and methods, wet separation, high-gradient magnetic separation, etc., can solve the problems of high production cost of wet leaching, low recovery rate of copper minerals, low recovery rate of flotation, etc. problems, to achieve the effect of high cost, low leaching rate, and increased consumption of chemicals
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[0021] Below in conjunction with embodiment the present invention will be further described
[0022] Example 1
[0023] The raw ore is selected from a high-grade copper oxide mine in Tibet. The raw ore has high iron content and large slime content. The ore contains 4.40% copper, 20.76% iron, and a copper oxidation rate of about 65%. The copper minerals are mainly malachite and blue copper. Copper-manganese-iron-aluminum-silicon oxide complexes, copper ore, copper-manganese-iron-aluminum-silicon oxide combination, a large number of copper minerals are mixed with iron by adsorption or mechanically, which makes it difficult for copper minerals, especially copper oxide, to float up. The occurrence state of copper in the ore is complicated, mainly in free copper oxide and secondary copper sulfide, with distribution rates of 41.50% and 34.31% respectively; secondly, in the form of bound copper oxide, with a distribution rate of 27.83%. The gangue minerals are mainly clay minerals...
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