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<p>Copper -- Recycling -- Mexico -- Santa María del Oro (Durango)<br />Gold -- Recycling -- Mexico -- Santa María del Oro (Durango)</p>
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Investigation To Improve Recovery Of Copper And Gold From A Refractory Ore, Raymond Franklin Cathcart
Investigation To Improve Recovery Of Copper And Gold From A Refractory Ore, Raymond Franklin Cathcart
Masters Theses
"Results of tests presented in this paper indicate that the Santa Maria del Oro ores might be processed by a method which should yield a gold recovery of 96 to 98 percent and a copper recovery of about 78 percent, both figures subject to an increase with further work and study of the problem.
In the method of processing outlined in Figure IX, the ores, mixed as under present operating procedure, would be crushed to minus 20-mesh and roasted with ten pounds of sodium chloride per ton of feed in a multiple-hearth, down-draft roaster at temperatures varying to a maximum …