Effects of pyrite, quartz and sodium sulfite on roasting of a
Complex refractory gold ores, which have become a major raw material for global gold production (Bas et al., 2017), generally contain gold, silver, copper, sulfur and other valuable elements.The complex properties, many cyanide-consuming substances (Deschenes et al., 2000), and gold particles of fine size range (Bas et al., 2018) lead to poor conventional …
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