Treatment organisms | After treatment | ||
Status | Organism | Cr (VI) removal (%) M ± SD | *BOD reduction (%) M ± SD |
Live in tannery effluent | As. niger P. chrysogenum G. sepiarium | 72.5 ± 4.2 84.6 ± 4.7 9.6 ± 1.2 | 85.3 ± 5.6 92.7 ± 6.8 18.5 ± 3.3 |
Dead in tannery effluent | As. niger P. chrysogenum G. sepiarium | 25.3 ± 2.0 32.1 ± 2.1 5.4 ± 1.0 | 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 |
Live in aqueous solution | As. niger P. chrysogenum G. sepiarium | 64.6 ± 4.5 78.2 ± 4.8 9.7 ± 1.5 | NA NA NA |
Dead in aqueous solution | As. niger P. chrysogenum G. sepiarium | 68.6 ± 3.4 71.7 ± 4.3 6.3 ± 1.2 | NA NA NA |