2020522&ensp·&enspGold extractability was measured by cyanide leaching in the same manner before and after biooxidation. Small samples of ground ore from shake flask experiments were leached by slurrying samples of the ore with one pound of cyanide per ton of solution and bottle rolling in the presence of carbon (bench scale ClL testing).
Bioleaching gold recovery 1. BIOLEACHING:GOLD EXTRACTION AND RECOVERY PROCESSES BY SREEREMYA 2. Introduction Gold has been known and highly valued since prehistoric times. It may have been the first metal used by humans and was valued for ornamentation and rituals .