Table 3: The results of the treatment of dye effluents.

Dyes degradation after Reduction of color
Effluent (nm) Photocatalytic system 60 min of irradiationIn the photocatalytic process In the physical  processes  
Y (%)
Total decolorization of effluents at COD removal after 300 min
after 60 min of irradiation  Total (%)of irradiation (%)  
X (%) (min−1) Z (%) (min−1)

FeCl3~0~02 ~0−606−593
340TiO2370.008 ± 0.002260.006 ± 0.002328
TiO2/FeCl3100.002 ± 0.001780.024 ± 0.003−3471
FeCl3~0~0~0~0−147−155
430TiO2580.014 ± 0.003360.008 ± 0.002440
WPacTiO2/FeCl3170.003 ± 0.002490.010 ± 0.002−7611 ~0.14.9a
FeCl3~0~0~0~0−17−20
540TiO2860.030 ± 0.005570.014 ± 0.002 3 58
TiO2/FeCl3400.008 ± 0.002220.004 ± 0.001−717
FeCl3n.d.bn.d.3~047
610TiO2n.d.n.d.830.030 ± 0.004484
TiO2/FeCl3n.d.n.d.350.006 ± 0.0021142

FeCl3~0~0~0~09595
510TiO224 (63)c0.004 ± 0.002110.002 ± 0.0001424
WLeatTiO2/FeCl3~30 (100)c0.005 ± 0.001110.002 ± 0.0019595 ~0.40.15a
FeCl3n.d.n.d.~0~0100100
620TiO2n.d.n.d.210.003 ± 0.0011836
TiO2/FeCl3n.d.n.d.10096100

FeCl3~0e~010<0.0015053~0
WFlax350dTiO210e0.001 ± 0.001220.003 ± 0.002~022−40
TiO2/FeCl335 ÷ 42e0.008 ± 0.002500.011 ± 0.0033366−33

FeCl3~0 ~0~0c~09696c~0
WCot480TiO2~0 ~05c~0~05c11
TiO2/FeCl3~0 ~05c~09796c7

aIn the presence of FeCl3, TiO2, and TiO2/FeCl3, respectively, bno data, cafter 300 min of UV-a iradiation, dabsorption band without clear maximum, ebased on the peak area measurement at 480 nm using HPLC method.