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The electrochemical behavior of marmatite–carbon paste electrode in the presence and absence of Acidithiobacillus ferrooxidans was investigated by electrochemical impedance spectroscopy (EIS) measurement. The effects of the concentration of Fe 3+ ions, bacterial strain and temperature on the EIS spectra of the marmatite electrode were examined. The experimental data indicated that the impedance...
Bioleaching of a marmatite flotation concentrate by Acidithiobacillus ferrooxidans was carried out at 35 °C and an initial pH of 2.0 on an orbital shaker at 160 min −1 . Experimental results indicated that the adapted strains markedly increased the dissolution rate of marmatite when compared with the sterile control and the original strains. The fact that Fe 3+ ions played a key role...
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