Bioleaching of Arsenic-Rich Gold Concentrates by Bacterial Flora before and after Mutation

Figure 3

Mutation experiments with three combined mutation factors. (G1: UV 60 s + ultrasonic 10 min + microwave 10 s, G2: UV 60 s + ultrasonic 20 min + microwave 20 s, G3: UV 60 s + ultrasonic 30 min + microwave 30 s, G4: UV 120 s + ultrasonic 10 min + microwave 20 s, G5: UV 120 s + ultrasonic 20 min + microwave 30 s, G6: UV 120 s + ultrasonic 30 min + microwave 10 s, G7: UV 180 s + ultrasonic 10 min + microwave 30 s, G8: UV 180 s + ultrasonic 20 min + microwave 10 s, G9: UV 180 s + ultrasonic 30 min + microwave 20 s).