Extraction of Gold and Copper from Flotation Tailings Using Glycine-Ammonia Solutions in the Presence of Permanganate
This study presents the novel idea of a cyanide-free leaching method, i.e., glycine-ammonia leaching in the presence of permanganate, to treat a low-grade and copper-bearing gold tailing. Ammonia played a key role as a pH modifier, lixiviant and potential catalyst (as cupric ammine) in this study. R...
Main Authors: | Huan Li, Elsayed Oraby, Jacques Eksteen, Tanmay Mali |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2022-05-01
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Series: | Minerals |
Subjects: | |
Online Access: | https://www.mdpi.com/2075-163X/12/5/612 |
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