Table 2 Kinetics equation and parameters of MV photocatalysis and photooxidation using varied photocatalysts
| Photocatalyst | Photocatalysis | Photooxidation | ||||
|---|---|---|---|---|---|---|
| Initial rate (mg L− 1 min− 1) | k (min− 1) | R2 | Initial rate (mg L− 1 min− 1) | k (min− 1) | Kinetics equation (R2) | |
| HAp | 1.9 | 4.5 × 10− 3 | 0.9991 | 2.8 | 6.9 × 10− 3 | 0.9988 |
| HAp-nTiO2 | 7.3 | 4.1 × 10− 2 | 0.9917 | 7.7 | 4.6 × 10− 2 | 0.9778 |
| TiO2 | 7.7 | 5.5 × 10− 2 | 0.9688 | 7.9 | 9.5 × 10− 2 | 0.9770 |