Beneficiation method of sulphide ore
A beneficiation method and technology of sulfide ore, which is applied in flotation, solid separation, grain processing, etc., can solve the problems of fine embedded particle size, ineffective recovery of sulfide ore, and complex material composition, so as to achieve sufficient flotation interface and reduce The number of flotation operations and the effect of simplification of the flotation process
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Embodiment 1
[0049] Embodiment 1——Application in refractory copper sulfide ore
[0050] The grade of copper in the raw ore is 0.80%. Copper exists in the ore in the form of oxide and sulfide respectively. Among them, copper sulfide accounts for 74.48% of the metal ratio, and copper oxide accounts for 25.52%. Therefore, the ore belongs to copper sulfide ore. Chalcopyrite is the copper mineral with the highest content in this ore. It is mostly heteromorphic and granular. It often coexists with gangue minerals such as calcite. It wraps half-wrapped calcite and distributes in veins and veins. , it can be seen that tetrahedrite metasomatizes chalcopyrite; part of the edge is etched into chalcopyrite. Coarse-grained chalcopyrite is often embedded with fine-grained gangue minerals, pyrite, and sphalerite, and fine-grained chalcopyrite is often closely symbiotic with gangue minerals, and the embedded boundary is very complicated. The chalcopyrite embedded particle size in the ore is extremely une...
Embodiment 2
[0073] Embodiment 2——Application in the sorting of molybdenum ore
[0074] The grade of molybdenum contained in the raw ore is 0.43%, and the molybdenum distribution rate in the sulfide is as high as 94.85%. Through mineral particle size analysis, it can be known from the results of dissociation degree that the molybdenite monomer dissociation degree of +74μm particle size material is only 70.7%, and only at -32μm particle size molybdenite can achieve complete dissociation (+32μm particle size Grade molybdenite monomer dissociation degree reaches 98.0% in total), indicating that if one wants to obtain high-quality molybdenum concentrate, a higher grinding fineness is required. The ultra-fine-grained target minerals in this ore have achieved a satisfactory metal recovery effect after applying the column grinding machine beneficiation method. The application process includes the following steps:
[0075] 1 material preparation
[0076] After a sorting operation, a section of ...
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