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

Figure 1

Mutation experiments with single factors. A1: UV 60 s, A2: UV 120 s, and A3: UV 180 s; B1: ultrasonic 10 min, B2: ultrasonic 20 min, and B3: ultrasonic 30 min; C1: microwave 10 s, C2: microwave 20 s, and C3: microwave 30 s.