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A Pretreatment of Refractory Gold Ores Containing Sulfide Minerals to Improve Gold Leaching by Ammonium Thiosulfate: A Model Experiment Using Gold Powder and Arsenic-Bearing Sulfide Minerals

The use of thiosulfate to extract gold from refractory ores is promising because of its non-toxicity and high selectivity. Sulfide minerals (i.e., pyrite, arsenopyrite, chalcopyrite), major gold carriers in refractory gold ores, however, hinder gold extraction due to the high consumption of a lixivi...

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Principais autores: Takunda Joseph Mhandu, Ilhwan Park, Sanghee Jeon, Sohta Hamatsu, Yogarajah Elakneswaran, Mayumi Ito, Naoki Hiroyoshi
Formato: Artigo
Idioma:Inglês
Publicado em: MDPI AG 2023-07-01
coleção:Metals
Assuntos:
gold
arsenopyrite
ammonium thiosulfate
cyanide
leaching
refractory ores
Acesso em linha:https://www.mdpi.com/2075-4701/13/8/1357
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