Page 125 - Materials Chemistry, Second Edition
P. 125
106 Life Cycle Assessment of Wastewater Treatment
100
80
Methy green (%) 60
40
20
0
0 5 10 15 20 25 30
Time (min)
100
80
Orange II (%) 60
40
20
0
0 5 10 15 20 25 30
Time (min)
100
Reactive blue 19 (%) 60
80
40
20
0
0 5 10 15 20 25 30
Time (min)
FIGURE 6.3 Decolorization percentages of Methyl Green (5 mg L ), Orange II (5 mg L ),
−1
−1
and Reactive Blue 19 (25 mg L ) by heterogeneous photocatalysis. (●) Heterogeneous pho-
−1
−1
tocatalysis using TiO 2 (0.01 g L ). Photolysis (●) and dark adsorption (○) were considered
as controls.
