A systematic review of sustainable gold extraction from …
Microorganisms can be applied at different stages of the gold recovery process. During the leaching stage, they play a key role by producing lixiviants (thiosulfate, cyanide and iodine) that dissolve gold (Amachi, 2008; Kaksonen et al., 2014; Reith et al., 2007). A case in point is cyanide-producing bacteria.
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