Fig. 9

Time-dependent Sr removal at different biosurfactant concentrations (0.006, 0.015, and 0.024 g/mL) and temperatures (25 °C and 60 °C). Removal efficiency was measured at the initial point, and after 2, 3, and 5 days.

Time-dependent Sr removal at different biosurfactant concentrations (0.006, 0.015, and 0.024 g/mL) and temperatures (25 °C and 60 °C). Removal efficiency was measured at the initial point, and after 2, 3, and 5 days.