Time (hours) Conc of  H2O2 (g/l) Average COD mg/L Average Surfactants mg/L Conc of H2O2 (g/L) % COD reduction % Surfactant Reduction
0 0 10,898 982 0 0.00 0.00
1 0.5 10,074 918 0.5 7.56 ± 0.07 6.52 ± 0.12
2 1.0 9,960 905 1.0 8.61 ± 0.11 7.84 ± 0.09
3 2.0 10,136 894 2.0 6.99 ± 0.13 8.96 ± 0.13
4 3.0 12,086 868 3.0 -10.90 ± 0.12 11.61 ± 0.10
5 4.0 12,267 848 4.0 -12.56 ± 0.07 13.65 ± 0.12
6 5.0 12,855 838 5.0 -17.96 ± 0.14 14.66 ± 0.05
Table 1: Effect of H2O2 concentration on the reduction of COD and surfactants concentration in waste water.