Tannins: the organic depressants alternative in selective flotation of sulfides

The use of quebracho extract as a pyrite depressing agent to improve Cu/Fe ratio in copper minerals flotation was studied. The depressing effect in the case of pure pyrite, pure chalcopyrite and a sample of disseminated copper ore was tested considering different pH values and modifiers, and differe...

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Veröffentlicht in:	Journal of cleaner production 2014-12, Vol.84, p.723-726
Hauptverfasser:	Sarquís, P.E., Menéndez-Aguado, J.M., Mahamud, M.M., Dzioba, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chalcopyrite Cleaning Copper Copper ores Depressants Differential flotation Organic depressant Pyrite Quebracho extract Sulfides Tannins
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