Fig. 1From: Treatment performance comparison between regular O3–BAC and O3–BAC with rear sand filtration: verification in a full-scale studyChanges of turbidity along the treatment trains. RW raw water; sand–O3–BAC regular O3–BAC; O3–BAC–sand O3–BAC with rear sand filtration; SE sedimentation; SF sand filtration; PO post-ozonation. Operational conditions: pre-ozone dose 0.5 mg/L; post-ozone dose 1.5 mg/L. The error bars represent mean ± S.DBack to article page