S.No Metals Pre treatment (mg/kg‑1) Post treatment (mg/kg‑1)
Bauxite Magnesite
Bauxite Magnesite T. ferrooxidans P.aeruginosa T. ferrooxidans P.aeruginosa
1 pH 3.8 6.30 6.75 6.24 9.10 8.58
2 Cd 1060 2070 766 676 1790 1700
3 Cu 105.9 65.96 105.9 106.02 65.96 77.96
4 Fe 2222 2222 2222 2222 2222 2222
5 Ca 85.95 4907 56.95 36.95 4670 4480
6 Mg 2610 5330 2620 2610.80 5.380 5.38
7 Zn 827.5 1141 725.5 732.23 1059 1059
8 Cr 553.7 69.96 514.86 516.71 51.97 41.97
9 Mn 6674 3173 6643 6648 3134 3146
10 Pb 742.6 443 716.6 723.6 419 427
11 Hg 5 NDA 0.005 0.005 NDA NDA
NDA= Not Detectable Amount
Table 1: Metal analyzation in pre and post treated (T. ferrooxidans and P.aeruginosa) bauxite and magnesite soil.