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Table 2 Different design treatments for removal of crude oil from contaminated soil

From: Low-cost production and application of lipopeptide for bioremediation and plant growth by Bacillus subtilis SNW3

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