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About: Dump leaching     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:Election, within Data Space : dbpedia.org associated with source document(s)

Type: yago:IndustrialProcess113497928yago:PhysicalEntity100001930yago:Process100029677yago:WikicatIndustrialProcessesElection New Facet based on Instances of this Class

Dump leaching is an industrial process to extract precious metals and copper from ores. Dump leaching is similar to heap leaching, however in the case of dump leaching ore is taken directly from the mine and stacked on the leach pad without crushing where, in the case of gold and silver, the dump is irrigated with a dilute cyanide solution that percolates through the ore to dissolve gold and silver. The solution containing gold and silver exits the base of the dump, is collected and precious metals extracted. The resultant barren solution is recharged with additional cyanide and returned to the dump.