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单词 leach ion-exchange flotation process
释义 leach ion-exchange flotation process
[`lēch ¦ī´än iks¦chānj flō`tā·shǝn ´prä·sǝs]
METALLURGY
A method of extraction developed for treatment of copper ores not amenable to direct flotation; the metal is dissolved by leaching, for example, with sulfuric acid, in the presence of an ion-exchange resin; the resin recaptures the dissolved metal and is then recovered in a mineralized froth by the flotation process.
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