PROCESS FOR GOLD AND/OR PLATINUM GROUP METALS HEAP LEACHING WITH LIME

Process for gold and/or platinum group metals heap leaching comprising irrigating a heap (1) with an irrigation solution (9, 10, 11 & 12) containing sodium cyanide for leaching gold and/or platinum group metals from said gold and/or platinum group metals containing ore where a lime reagent addit...

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Bibliographische Detailangaben
Hauptverfasser: Du Plessis, Chris, Ballard, Deborah A, Lambert, Hugues
Format: Patent
Sprache:eng
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Zusammenfassung:Process for gold and/or platinum group metals heap leaching comprising irrigating a heap (1) with an irrigation solution (9, 10, 11 & 12) containing sodium cyanide for leaching gold and/or platinum group metals from said gold and/or platinum group metals containing ore where a lime reagent addition (B) by feeding a fine particle lime suspension containing lime particles in an aqueous phase is done in the irrigation solution.