Table 2 Different design treatments for removal of crude oil from contaminated soil
Treatments | Soil | Biological treatment | Chemical compounds | Crude oil concentration (%) |
|---|---|---|---|---|
Control (T0) | 200Â g | Â | Â | 5 |
Treatment 1 (T1) | 200Â g | Cell-free supernatant containing lipopeptide (200Â mL) | Â | 5 |
Treatment 2 (T2) | 200Â g | Active culture of Bacillus subtilis SNW3 (100Â mL) | Â | 5 |
Treatment 3 (T3) | 200 g | T1 (100 mL) + T2 (100 mL) |  | 5 |
Treatment 4 (T4) | 200Â g | Â | 10Â mg/kg of tween 80 | 5 |
Treatment 5 (T5) | 200Â g | Â | 0.8Â g/kg of fertilizer | 5 |
Treatment 6 (T6) | 200Â g (autoclaved) | Â | Â | 5 |