B-TiO
2
(5%)
B-TiO
2
(10%)
B-TiO
2
(20%)
B-TiO
2
(30%)
Removed rate under dark (%)
11.40
12.60
12.40
11.90
Adsorbed quantity (mol) × 10
-4
0.164
0.181
0.178
0.171
Removed rate under sunlight (%)
89.60
100
100
100
Total removed quantity (mol) × 10
-4
1.162
1.442
1.246
1.442
Reduced quantity by photocatalysis (mol) × 10
-4
0.980
1.242
1.246
1.253
Table 3:
Effect of TiO
2
content in B-TiO
2
on adsorption and photoactivity for Cr (VI) removal (Initial quantity of Cr (VI) (mol): 1.442 × 10
-4
; Photolysed quantity (mol): 0.018 × 10
-4
).
