Figure 2

Removal efficiencies of antibiotic-resistant Escherichia coli by ozonation at ozone doses of 11–45 mg/l (TOD1 = 11 mg/l, TOD2 = 25 mg/l, TOD3 = 37 mg/l, TOD4 = 45 mg/l).

Removal efficiencies of antibiotic-resistant Escherichia coli by ozonation at ozone doses of 11–45 mg/l (TOD1 = 11 mg/l, TOD2 = 25 mg/l, TOD3 = 37 mg/l, TOD4 = 45 mg/l).