Cyanide Leaching Tank (Gold Extraction)

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In the gold extraction process, finely crushed ores are leached in vats with a very diluted solution of Potassuim Cyanide (KCN), containing 0.05 to 0.3 percent KCN (or its equivalent, Sodium Cyanide, NaCN) which is allowed to remain for twelve to twenty-four hours to dissolve the gold.

Keywords

machinery, machines, mill, machine, gold, nitrogen, acid, mine, mining, carbon, Miner, stamp, purify, milling, extraction, stamp mill, mechanize, chemistry. elements, compounds

Galleries

Chemistry Concepts and Lab Experiments, Mining, Chemical Elements and Compounds, Gold Extraction

Source

John H. Finley ed. Nelson's Perpetual Loose-Leaf Encyclopaedia (vol. 5) (New York, NY: Thomas Nelson and Sons, 1917) 479

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