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Fig. 3 | Environmental Sciences Europe

Fig. 3

From: Treatment performance comparison between regular O3–BAC and O3–BAC with rear sand filtration: verification in a full-scale study

Fig. 3

Changes of particle counts along the treatment trains. a 1–2 µm; b 2–5 µm; c 5–15 µm; d > 15 µm. sand–O3–BAC regular O3–BAC; O3–BAC–sand O3–BAC with rear sand filtration; SE sedimentation; SF sand filtration; PO post-ozonation. The dotted line is the particle counts value of sand filtration effluent in the rear sand filtration process. The error bars represent mean ± S.D

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