FIELD: gold mining. SUBSTANCE: invention, in particular, relates to heap leaching of gold from clay ores containing no more than 20% of fine ore with fineness Ц0.15 mm. In a conventional process, ore is crushed, treated with cement and water, agglomerated, and stacked. Then, gold is leached from stack and recovered from leaching solution. According to invention, crushed ore is first treated with water and agglomerated and then treated with cement and agglomerated once more. EFFECT: reduced operational expenses.
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Authors
Dates
1998-11-27—Published
1997-08-26—Filed