Experimental study on old tailings in venezuela
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The tailings accumulated for many years, severe oxidation, gold grade is low, by flotation can reach a certain degree of enrichment. Test data of 5 drum about 1 tons, 4 barrels for the beneficiation test, a barrel of 17 plastic bags, each bag with a number of different samples of a total of 103.
In view of the technical information about the old tailings provide little, this test to recover the gold, the experiment work of flotation enrichment and complete mud cyaniding process two. The ore grade is low, get the ideal test index.
The flotation recovery rate of gold: 72.53%, the concentrate grade 3.53g/t, 0.15g/t grade of tailings.
All slime cyanidation leaching rate: 60%, leaching slag grade is 0.24g/t.
The test results of two kinds of process, are to get the maximum recovery of gold.
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