Fig. 2

O2 consumption ratio between the following five reactions in 11 cases: FeS2 (FeS2 oxidation), Cu (Cu oxidation), Cu(I) (Cu(I) oxidation), Bio (aerobic microbial activity), and Ground water (dissolved in ground water).

O2 consumption ratio between the following five reactions in 11 cases: FeS2 (FeS2 oxidation), Cu (Cu oxidation), Cu(I) (Cu(I) oxidation), Bio (aerobic microbial activity), and Ground water (dissolved in ground water).