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Fig. 4 | Environmental Sciences Europe

Fig. 4

From: Complex odor control based on ozonation/GAC advanced treatment: optimization and application in one full-scale water treatment plant

Fig. 4

Removal of a 2-MIB and b BCIE shown as a function of pre-ozonation dosages. The removal efficiency of pre-ozonation alone was compared with a combined treatment process (i.e., pre-ozonation followed by coagulation, sedimentation, and sand filtration). Odorant removal in pre-ozonation alone with a zero dosage was due to the application of powdered activated carbon (10 mg L−1) at the intake of the source water (i.e., a pre-treatment process for the WTP)

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