Figure 5a presents the results of COD removal during the operational period of 114 days.
The influent COD concentration varied in the range of 104 to 486 mg/L with an average of 220 mg/L, and the effluent COD concentration could be maintained below 30 mg/L.
During this study term, COD removal efficiencies averaging 88% with a maximum of 95.5% were obtained, despite the extreme changes in the solar radiation under all climate conditions.
During the operational period, average removal efficiencies of 98% NH4+ -N and 70% TN were obtained (Fig.5b).
Even though the TN concentration in the influent varied between 37-90 mg/L with an average of 69 mg/L, the average effluent TN concentration was 21 mg/L, consisting primarily of nitrate.
The lack of a biodegradable organic carbon source may be a major factor affecting denitrification efficiency.
The influent TP concentration varied in the range of 1.6 to 17.2 mg/L with an average of 7.6 mg/L, and the effluent TP concentration was 0.5-2.0 mg/L with an average of 1.3 mg/L (Fig.5c).
The TP removal efficiency of 82.9% was obtained.
Figure 5a presents the results of COD removal during the operational period of 114 days.
The influent COD concentration varied in the range of 104 to 486 mg/L with an average of 220 mg/L, and the effluent COD concentration could be maintained below 30 mg/L.
During this study term, COD removal efficiencies averaging 88% with a maximum of 95.5% were obtained, despite the extreme changes in the solar radiation under all climate conditions.
During the operational period, average removal efficiencies of 98% NH4+ -N and 70% TN were obtained (Fig.5b).
Even though the TN concentration in the influent varied between 37-90 mg/L with an average of 69 mg/L, the average effluent TN concentration was 21 mg/L, consisting primarily of nitrate.
The lack of a biodegradable organic carbon source may be a major factor affecting denitrification efficiency.
The influent TP concentration varied in the range of 1.6 to 17.2 mg/L with an average of 7.6 mg/L, and the effluent TP concentration was 0.5-2.0 mg/L with an average of 1.3 mg/L (Fig.5c).
The TP removal efficiency of 82.9% was obtained.
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