Review Article
An Overview on the Photocatalytic Activity of Nano-Doped- in the Degradation of Organic Pollutants
Table 8
Effect of photocatalyst dosage on the photocatalytic activity of nano-doped-TiO2 in the photocatalytic degradation of various organic pollutants.
| Type of dopant | Doped TiO2 preparation method | Range of photocatalyst dosage (g/L) | Optimum photocatalyst loading (g/L) | Organic pollutant | Initial pollutant concentration (mg/L) | Light source | Irradiation time (h) | Degradation efficiency (%) | Reference |
| Sn | Sol gel/dip coating | 5β15 | 12.5 | Orange-G | 50 | UV | 1 | 99.1 | [122] | Zr | Sol gel | 100β500 | 2.0 | 4-chlorophenol | 250 | UV | β | β | [121] | Ba | Sol gel | 100β500 | 2.0 | 4-chlorophenol | 250 | UV | β | β | [10] | Fe | Hydrothermal | 0.25β1.25 | 1.0 | Azo fuchsine | 10 | Ultrasonic | 1 | 60 | [123] | Sol gel | 0.5β2.0 | 1.5 | Reactive Blue 4 | 70 | Ultrasonic | 1 | 90 | [110] | Ag | Photo reduction | 326β2608 | 3.0 | Direct Red 23 | 326 | UV | 2.5 | 55 | [124] | C | Sol gel | 0.5β4.0 | 1.0 | Methylene blue | 10 | Solar lgiht | 1.67 | 100 | [116] | P | Sol gel | 0.2β1.2 | 0.4 | Rhodamine B | 12 | Sunlight | 4 | 93 | [119] | Pr | Sol gel | 0.0β1.2 | 1.0 | Phenol | 50 | UV | 2 | 96.5 | [111] | Sol gel | 0.5β6.0 | 3.0 | Methyl orange | 20 | UV | 0.5 | 90.5 | [58] |
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