Lead-zinc ores divided by the degree of oxidation of different ores (lead or zinc oxide <10%), oxidized ores (lead or zinc oxide of> 30%) sulfide ore, ore mixing (lead or zinc oxide of 10% to 30%) . Press different ore useful components, can be divided into lead ore, zinc ores, zinc ore, copper, lead and zinc ores, sulfur, lead and zinc ores, copper, lead and zinc ores sulfur, tin-lead ore, lead ore, antimony, zinc, copper ore and the like . According to different ore structure, it can be divided into disseminated ore, dense block ore, breccia ore, strip ore, fine vein disseminated ore.
The beneficiation test of lead-zinc ore, sulfide ore is usually carried out by flotation. The oxidized ore is flotation by flotation or re-election with flotation, or after flotation by sulphide roasting, or after re-election, treatment with sulphuric acid and then flotation. For multi-lead-zinc ore containing metals, typically magnetic - floating, heavy - floating, heavy - Magnetic - floating jointly processing methods.
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