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According to different composition, copper ore can be decided into cuprite, malachite, azurite, malachite and silicon copper chloride, etc. and due to the different copper milling process, different copper mining process plant have different copper milling process, for example, azurite has better flotability and cuprite has high copper content, both of them can adopt flotation process. however, malachite has bad flotability. What attention should be paid to the copper processing plant?
Take an example of Dexing copper processing plant, its copper oxide mineral has a higher content and the nature is: there is a small amount of oxidized ore and mixed ore in the upper part of the ore body, and the raw ore contains 0.5% copper, 0.01% sulfur, 0.01% molybdenum, and 0.235g/t gold. The ore composition is easy: the useful minerals mainly contain pyrite, chalcopyrite, chalcocite, followed by chalcocite and bornite and sphalerite. Non-metallic minerals are mainly quartz, sericite, chlorite, epidote stone and kaolin.
This kind of copper processing plant includes crushing, grinding, flotation process. The specific steps include crushing process: this part adopts three stage crushing and washing because the phenomenon of mineral mud is serious; grinding process: taking the domestic quite advanced grinding method ABC grinding method; flotation process: this process is two coarse two fine one sweep to get copper concentrate and the following beneficiation is to isolate sulfur concentrate.