Table 2

Energy consumption for air supply: comparison between traditional and fuzzy controller over two consecutive months for two years in a row

CODin [kg/d] 23,025 29,953
23,737 27,328
CODremoved [kg/d] 20,604 28,070
20,304 25,818
Treated flow rate [m3/d] 75,315 97,130
79,572 83,278
Energy consumption [kWh/d] 12,589 8,785
11,705 9,159
Specific energy consumption [kWh/(p.e. × y)](*) 22 12
20 13
Specific energy consumption [kWh/m30.17 0.09
0.15 0.11
Specific energy consumption [kWh/kgCODremoved0.61 0.31
0.58 0.35
CODin [kg/d] 23,025 29,953
23,737 27,328
CODremoved [kg/d] 20,604 28,070
20,304 25,818
Treated flow rate [m3/d] 75,315 97,130
79,572 83,278
Energy consumption [kWh/d] 12,589 8,785
11,705 9,159
Specific energy consumption [kWh/(p.e. × y)](*) 22 12
20 13
Specific energy consumption [kWh/m30.17 0.09
0.15 0.11
Specific energy consumption [kWh/kgCODremoved0.61 0.31
0.58 0.35

Average COD mass loadings over the observation period are shown. Daily measurements were carried out (flowrate volume and COD analysis on 24 hour composite samples).

(*)assumed daily per-capita COD production = 110 g/(p.e.*d).

Close Modal