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How much zinc is typically contained in mined zinc ore?
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zinc processing
Sphalerite from Baxter Springs, Kansas.
In the context of zinc processing, the zinc content of mined ore is typically between 3 and 10 percent.1
Because this represents only a small fraction of the total material extracted, beneficiation is necessary to separate the valuable zinc minerals from the surrounding waste rock, known as gangue. This is most commonly achieved through flotation separation, a process that isolates the sulfide minerals to produce a concentrated form suitable for further extraction and refining via electrolysis or smelting.23