Cyanide Leaching Of Gold - Mine Engineer.Com

Since the 1890s, has been used to recover from bearing ores. And today, over 115 years later, most of the worlds is recovered with playing a large part in the beneficiation of the yellow precious metal. Chemically, it is a rather simple reaction: 4 Au + 8 NaCN +O2 + 2 = 4 NaAu CN2 + 4 NaOH

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