Figure 4

SEM micrographs of M. aeruginosa cells in coagulation process. (A) 1.5 mg/L PAFC only. (B) 1.5 mg/L PAFC with 200 mg/L quartz sand. (C,D) 1.5 mg/L PAFC with 50 mg/L quartz sand).

SEM micrographs of M. aeruginosa cells in coagulation process. (A) 1.5 mg/L PAFC only. (B) 1.5 mg/L PAFC with 200 mg/L quartz sand. (C,D) 1.5 mg/L PAFC with 50 mg/L quartz sand).