SYSTEMS AND METHODS FOR IMPROVED METAL RECOVERY USING AMMONIA LEACHING

Systems and methods for basic leaching are provided. In various embodiments, a method is provided comprising leaching a slurry comprising a copper bearing material and an ammonia leach medium, adding copper powder to the slurry, separating the slurry into a pregnant leach solution and solids, and pe...

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Bibliographische Detailangaben
Hauptverfasser: THOMAS R BOLLES, JOANNA M ROBERTSON, DENNIS D GERTENBACH
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Systems and methods for basic leaching are provided. In various embodiments, a method is provided comprising leaching a slurry comprising a copper bearing material and an ammonia leach medium, adding copper powder to the slurry, separating the slurry into a pregnant leach solution and solids, and performing a solvent extraction on the pregnant leach solution to produce an loaded aqueous stream.