Chalcopyrite concentrate leaching with biologically produced ferric sulphate

Biological ferric iron production was combined with ferric sulphate leaching of chalcopyrite concentrate and the effects of pH, Fe 3+, temperature and solids concentration on the leaching were studied. The copper leaching rates were similar at pH of 1.0–1.8 and in the presence of 7–90 g L −1 Fe 3+ d...

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Veröffentlicht in:	Bioresource technology 2006-09, Vol.97 (14), p.1727-1734
Hauptverfasser:	Kinnunen, P.H.-M., Heimala, S., Riekkola-Vanhanen, M.-L., Puhakka, J.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Bioreactors Biotechnology Chalcopyrite Chemical Phenomena Chemistry, Physical Copper - analysis Copper - metabolism Dose-Response Relationship, Drug Electrochemistry Ferric Compounds - metabolism Ferric Compounds - pharmacology Ferric sulphate leaching Fundamental and applied biological sciences. Psychology Hydrogen-Ion Concentration Iron - metabolism Oxidation-Reduction Passivation Temperature
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