Table 4.

COD removal (mg O₂ L⁻¹) in WWPT after PF.

Treatment	Initial value	$\bar{\mathit{X}}$ ± S	%RCODa
T1	3660	1208 ± 116	66.10
T2	3660	2147 ± 47	41.33
T3	3660	683 ± 159	81.34
T4	3660	1014 ± 237	72.27
T5	3660	823 ± 48	77.49
T6	3660	655 ± 14	82.10
T7	3660	784 ± 53	78.56
T8	3660	883 ± 275	75.85
T9	3660	725 ± 80	80.17
T10	3660	1393 ± 678	61.93
T11	3660	1252 ± 37	65.79

^aCOD Removal Percentage.