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How to process gold ore crushed

Feb 18, 2021 If the gold content of the ore is leachable at a relatively coarse grind, column percolation tests are made on ore crushed to various sizes, ranging from minus 2- to minus -inch feed. The test apparatus is shown in figure 1. About 60 pounds of crushed ore is mixed with sufficient lime to provide protective alkalinity during cyanidation

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