Electrooxidation of gold-bearing sulfide concentrate

Electrooxidation of gold-bearing sulfide concentrate

Sulfide minerals in a gold concentrate can be efficiently oxidized by the electrochemically generated hypochlorite in the cell. (80% of iron oxidized with 70% current efficiency in six hours) When 1% (by weight) of concentrate was added to a 10% (by weight) NaCl solution, 80% of iron was leached wit...

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Veröffentlicht in:Minerals & Metallurgical Processing 2003-02, Vol.20 (1), p.10-14
Hauptverfasser: Arslan, F, Duby, P F
Format: Artikel
Sprache:eng
Schlagworte:
Carbon
Chemical reactions
Chlorine
Efficiency
Experiments
Gold
Metallurgy
Oxidation
Silver
Sulfur
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Zusammenfassung:Sulfide minerals in a gold concentrate can be efficiently oxidized by the electrochemically generated hypochlorite in the cell. (80% of iron oxidized with 70% current efficiency in six hours) When 1% (by weight) of concentrate was added to a 10% (by weight) NaCl solution, 80% of iron was leached with 70% current efficiency in six hours. Increasing pulp density increased the total amount of sulfide minerals oxidized and the current efficiency.
ISSN:2524-3462
0747-9182
2524-3470
DOI:10.1007/bf03403108