Table 3 Conversion and the retention time during photocatalytic degradation study under various applied conditions
Photocatalyst | Toluene conc. (ppm) | Temp (°C) | RH (%) | RT (s) | Conversion (%) | Reaction rate (mol cm−3 s−1) |
|---|---|---|---|---|---|---|
Various photocatalyst types | ||||||
TiO2 | 2 ± 0.5 | 25 | 60 | 30 | 10.2 ± 0.2 | 2.66E-13 |
S0.05N0.1TiO2 | 40.3 ± 3.3 | 8.45E-13 | ||||
0.01wt%rGO/S0.05N0.1TiO2 | 9.2 ± 0.8 | 2.72E-13 | ||||
0.1wt%rGO/S0.05N0.1TiO2 | 58.3 ± 0.2 | 1.61E-12 | ||||
0.5wt%rGO/S0.05N0.1TiO2 | 15.9 ± 0.1 | 3.95E-13 | ||||
1wt%rGO/S0.05N0.1TiO2 | 16.8 ± 1.2 | 4.09E-13 | ||||
Various toluene concentration | ||||||
0.1wt%rGO/S0.05N0.1TiO2 | 1 ± 0.3 | 25 | 60 | 30 | 69.6 ± 1.6 | 1.40E-12 |
2 ± 0.2 | 57.8 ± 3.9 | 1.38E-12 | ||||
4 ± 0.3 | 50.7 ± 5.1 | 2.64E-12 | ||||
Various relative humidity | ||||||
0.1wt%rGO/S0.05N0.1TiO2 | 2 ± 0.3 | 25 | 0 | 30 | 85.0 ± 0.6 | 2.60E-12 |
1 | 86.7 ± 0.1 | 2.64E-12 | ||||
5 | 76.5 ± 2.7 | 1.80E-12 | ||||
10 | 70.6 ± 1.8 | 1.58E-12 | ||||
30 | 64.2 ± 2.0 | 1.39E-12 | ||||
60 | 58.6 ± 1.6 | 1.17E-12 | ||||
80 | 44.6 ± 1.0 | 1.10E-12 | ||||
Various temperature | ||||||
0.1wt%rGO/S0.05N0.1TiO2 | 2 ± 0.3 | 25 | 60 | 30 | 57.4 ± 1.3 | 1.86E-12 |
35 | 64.2 ± 1.0 | 2.14E-12 | ||||
45 | 74.0 ± 0.6 | 2.53E-12 | ||||
Various retention time | ||||||
0.1wt%rGO/S0.05N0.1TiO2 | 2 ± 0.2 | 25 | 60 | 5 | 38.5 ± 1.3 | 6.50E-12 |
10 | 43.3 ± 1.1 | 3.35E-12 | ||||
15 | 48.8 ± 0.0 | 2.15E-12 | ||||
30 | 58.3 ± 0.6 | 1.57E-12 | ||||