Table 3. Some comparative analysis on the dye removal efficiency of the synthesized materials with previous reports.
| Materials | Dyes | Experimental conditions | Dyes concentration | % Removal | Reference |
|---|---|---|---|---|---|
| GO | MB | Catalyst dose: 0.01 g | 20 mg L−1 | 22.8 | 65 |
| Time: 60 min, pH = 6 | |||||
| Sol = 20 mL, T = 30 °C | |||||
| GO-Fe3O4 | RB | Catalyst dose: 0.01 g | 10 mg L−1 | 70 | 66 |
| Time: 60 min, pH = 6 | |||||
| Sol = 20 mL, T = 30 °C | |||||
| Ni/GO-CNT | RhB | Catalyst dose: 0.025 g | 5 mg L−1 | 73.6 | 67 |
| Time: 120 min, pH = 6 | |||||
| Sol = 250 mL, T = 25 °C, UV/H2O2 assisted | |||||
| ZnCr2O4-rGO | MB | Catalyst dose: 0.01 g | 10 mg L−1 | 95.7 | 68 |
| Time: 70 min, pH = 8 | |||||
| Sol = 50 mL, T = 25 °C, UV/H2O2 assisted | |||||
| Fe3O4/rGO | MO | Catalyst dose: 0.25 g | 50 mg L−1 | 99.8 | 69 |
| Time: 35 min, pH = 2.9 | |||||
| Sol = 100 mL, T = 50 °C, UV/H2O2 assisted | |||||
| rGO | NB | Catalyst dose: 0.01 g | 20 mg L−1 | 92 | 70 |
| Time: 40 min, pH = 5 | |||||
| Sol: 20 mL, T = 30 °C | |||||
| CuO–SiO2/PVA | NB | Catalyst dose: 0.01 g | 30 mg L−1 | 58 | 71 |
| Time: 40 min, pH = 9 | |||||
| Sol: 100 mL, T = 30 °C | |||||
| g-C3N4/ZnCo2O4 | CR | Catalyst dose: 0.01 g | 10 mg L−1 | 99 | 72 |
| Time: 40 min, pH = 6 | |||||
| Sol: 100 mL, T = 30 °C | |||||
| Ag/rGO | NB | Catalyst dose: 0.01 g | 20 mg L−1 | 92 | 10 |
| Time: 60 min, pH = 6 | |||||
| Sol: 100 mL, T = 30 °C | |||||
| Cu2O/rGO | MB | Catalyst dose: 0.01 g | 50 mg L−1 | 76 | 73 |
| Time: 100 min, pH = 9 | |||||
| Sol: 100 mL, T = 30 °C | |||||
| Ag@RGO/g-C3N4 | AM | Catalyst dose: 0.01 g | 40 mg L−1 | 77 | 74 |
| Time: 60 min, pH = 3 | |||||
| Sol: 100 mL, T = 30 °C | |||||
| CuWO4 | NB | Catalyst dose: 0.01 g | 10 mg L−1 | 83 | 75 |
| Time: 100 min, pH = 11 | |||||
| Sol: 100 mL, T = 30 °C | |||||
| CNT/MgO/CuFe2O4 | MVD | Catalyst dose: 0.01 g | 20 mg L−1 | 99 | 12 |
| Time: 60 min, pH = 6 | |||||
| Sol: 100 mL, T = 30 °C | |||||
| GO | BB3 | Catalyst dose: 0.01 g | 80 mg L−1 | 35.2 | This work |
| Time: 80 min, pH = 7 | |||||
| Sol: 100 mL, T = 30 °C | |||||
| Cu@GO | BB3 | Catalyst dose: 0.01 g | 80 mg L−1 | 68.8 | This work |
| Time: 80 min, pH = 7 | |||||
| Sol: 100 mL, T = 30 °C | |||||
| R-GO | BB3 | Catalyst dose: 0.01 g | 80 mg L−1 | 41.4 | This work |
| Time: 80 min, pH = 7 | |||||
| Sol: 100 mL, T = 30 °C | |||||
| Cu@R-GO | BB3 | Catalyst dose: 0.01 g | 80 mg L−1 | 75.5 | This work |
| Time: 80 min, pH = 7 | |||||
| Sol: 100 mL, T = 30 °C | |||||
| Cu@R-GO | BB3 | Catalyst dose: 0.01 g | 80 mg L−1 | 99.53 | This work |
| Time: 80 s min, pH = 7 | |||||
| Sol: 100 mL, T = 30 °C, UV/H2O2 assisted (9 m. mole) |