Period (d) 0-14 15-28 29-42 43-56 57-70 71-84 85-98 99-112 127-140 141-154 155-168 169-182
Temperature (°C) 20 27.5 35
HRT (h) 24 32 40 48 24 32 40 48 24 32 40 48
So COD (mg l-1) 6130.1 6053.6 6427.8 6224.4 6081.1 6211.6 6095.8 6490.7 6236.8 6108.9 6236.9 6204.4
S COD (mg l-1) 3249.5 2684.8 2893.4 2165.7 1974.1 1938.9 1657.5 1886.8 867.3 932.4 894.7 1019.3
OLR (kg m3d-1) 6.1 4.5 3.8 3.1 6.1 4.6 3.6 3.2 6.2 4.6 3.7 3.1
pH (PU) 7.2 7.3 7.4 7.5 7.2 7.3 7.3 7.3 7.2 7.2 7.2 7.2
Alkalinity (CaCO3 mg l-1) 1718.3 1732.7 1752.8 1781.8 1838.7 1858.8 1850.0 1899.0 1968.8 1984.9 2005.0 2035.6
So-S (mg l-1) 2880.6 3368.8 3534.4 4058.7 4107.1 4272.7 4438.3 4603.9 5369.5 5176.5 5342.1 5185.1
Efficiency (%) 47.0 55.6 55.0 65.2 67.5 68.8 72.8 70.9 86.1 84.7 85.6 83.6
Table 2: Experimental data obtained under steady state conditions.