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Ecological mining: biological leaching and biological adsorption process precious metal cyanide insert
Ecological mining: biological leaching and biological adsorption process precious metal cyanide insert
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机译:生态采矿:生物浸出和生物吸附工艺中的贵金属氰化物插入物
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摘要
The present invention relates to a cyanide-free process of isolating precious metal gold from a particulate material containing said metal, comprising the following steps of (i) preparing an aqueous mixture containing said particulate material and biomass comprising having an S-LAYER or archaea having an S-LAYER; eubacteria and archaea, algae, and fungi; said biomass being capable of adsorbing said metal; (ii) incubating said aqueous mixture of step (i) for allowing binding of said metal to said biomass; (iii) separating the biomass having bound metal from the aqueous mixture of step (ii); and (iv) isolating the metal from said biomass separated in step (iii).
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