CONTROLLED COPPER LEACH RECOVERY CIRCUIT

The present invention relates generally to a process for controlled leaching and sequential recovery of two or more metals from metal-bearing materials. In one exemplary embodiment, recovery of metals from a leached metal-bearing material is controlled and improved by providing a high grade pregnant...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HAZEN, WAYNE W, SAVAGE, BARBARA J, MEADOWS, DAVID G
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The present invention relates generally to a process for controlled leaching and sequential recovery of two or more metals from metal-bearing materials. In one exemplary embodiment, recovery of metals from a leached metal-bearing material is controlled and improved by providing a high grade pregnant leach solution ("HGPLS") and a low grade pregnant leach solution ("LGPLS") to a single solution extraction plant comprising at least two solution extractor units, at least two stripping units, and, optionally, at least one wash stage.