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Commonly used flotation processes for phosphate ore beneficiation are: positive flotation, reverse flotation, first positive then reverse flotation, first reverse then positive flotation and double reverse flotation.
Lead-zinc sulfide ore mostly contains useful minerals such as lead, zinc, copper, and sulfur, and is in the form of fine-grained dissemination. There are obvious differences in the floatability of these components, so in the process of beneficiation, the flotation method is the main process method, and the more commonly used methods are: direct optimization method and mixed flotation method.
The flotation process used for pegmatite-type spodumene mainly includes three types: direct flotation process, pre-desliming flotation process, and stage grinding stage flotation process.
At present, the common quartz ore beneficiation process is to remove the mineral impurities in the quartz ore by scrubbing, magnetic separation, chute gravity separation, flotation, pickling or a combination of several methods to obtain the particle size and impurities of the quartz ore.
Copper tailings contain active sulfide minerals, such as pyrite, chalcopyrite, chalcocite and other residual metal minerals. Sulfide minerals, mainly pyrite, oxidize rapidly in the presence of air, water and bacteria to produce acidic water.
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