Gold and silver extraction from Hellyer lead-zinc flotation middlings using pressure oxidation and thiourea leaching

A new route for the extraction of gold and silver from three different galena-sphalerite-pyrite flotation middlings (bulk scavenger tailing, zinc middling and pyrite middling) assaying 2.3, 2.6 and 1.5 g/t Au and 82, 53 and 27 g/t Ag, respectively, and containing different proportions of the sulphid...

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Veröffentlicht in:	Hydrometallurgy 1993-06, Vol.33 (1), p.17-41
Hauptverfasser:	Bruckard, W.J., Sparrow, G.J., Woodcock, J.T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Exact sciences and technology Hydrometallurgy Metals. Metallurgy Production of metals Production of non ferrous metals. Process materials
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