Research Article

Bioleaching of Arsenic-Rich Gold Concentrates by Bacterial Flora before and after Mutation

Figure 5

Various growth patterns of the original bacteria and bacterial mutant during arsenic-rich gold concentrates bioleaching. (a) Growth curve, (b) pH value, (c) extraction of Fe, and (d) extraction of As.
969135.fig.005a
(a)
969135.fig.005b
(b)
969135.fig.005c
(c)
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(d)