Skip to Main Content

The correlation between the measured and modeled ClO2 concentrations was evaluated (Figure 12(b)). The model tends to overestimate the residual ClO2 concentrations in 75% of the cases, compared to the measured concentrations in the real DWDS. Considering the root mean square error (Table 2), only a few results showed a high error value (>0.100). As for the Cl2 results, the differences between the modeled and measured ClO2 concentrations were due to the aspects previously explained.

Table 2

Comparison between measured and modeled residual ClO2 concentrations, mean absolute error, and root mean square error, at 10 a.m. after one month from the start of the disinfectant dosing in both the DWTPs

Junction numberClO2 (mg L1)
Mean absoluteRoot mean
(sampling point)MeasuredModelederrorsquare error
79 0.704 0.770 0.068 0.069 
61 0.730 0.740 0.036 0.037 
145 0.674 0.740 0.070 0.070 
137 0.784 0.780 0.008 0.008 
125 0.686 0.810 0.123 0.123 
70 0.719 0.800 0.084 0.085 
124 0.703 1.030 0.331 0.331 
121 0.673 1.490 0.820 0.820 
148 0.640 1.130 0.486 0.486 
19 0.772 0.770 0.007 0.007 
116 0.738 0.810 0.074 0.074 
53 0.769 1.100 0.331 0.331 
Junction numberClO2 (mg L1)
Mean absoluteRoot mean
(sampling point)MeasuredModelederrorsquare error
79 0.704 0.770 0.068 0.069 
61 0.730 0.740 0.036 0.037 
145 0.674 0.740 0.070 0.070 
137 0.784 0.780 0.008 0.008 
125 0.686 0.810 0.123 0.123 
70 0.719 0.800 0.084 0.085 
124 0.703 1.030 0.331 0.331 
121 0.673 1.490 0.820 0.820 
148 0.640 1.130 0.486 0.486 
19 0.772 0.770 0.007 0.007 
116 0.738 0.810 0.074 0.074 
53 0.769 1.100 0.331 0.331 

Close Modal

or Create an Account

Close Modal
Close Modal