Review Article
An Overview on the Photocatalytic Activity of Nano-Doped- in the Degradation of Organic Pollutants
Table 7
Effect of initial organic pollutant concentration on the photocatalytic activity of nano-doped-TiO2.
| Type of dopant | Doped TiO2 preparation method | Doped TiO2 loading (g/L) | Organic pollutant | Range of pollutant concentration (mg/L) | Optimum pollutant concentration (mg/L) | Light source | Irradiation time (h) | Degradation efficiency (%) | Reference |
| Ag | Sol gel | 1 | Crystal violet | 10β80 | 10 | UV | 1.75 | 100 | [115] | Ba | Sol gel | 0.2 | 4-chlorophenol | 50β300 | 250 | UV | β | 100 | [10] | C | Sol gel | 1 | Methylene blue | 5β50 | 5 | Solar light | 2/3 | 100 | [116] | Ce | Coprecipitation | 4 | Phenol | 1000β5000 | 1000 | UV | 2 | 100 | [117] | Fe | Sol gel | 1.5 | Reactive blue 4 | 70β120 | 70 | Ultrasonic | 1 | 92 | [110] | N | Sol gel | 0.4 | Phenol | 10β200 | 20 | UV | β | β | [118] | P | Sol gel | 0.2 | Rhodamine B | 5β50 | 12 | Solar light | β | 85 | [119] | Pr | Sol gel | 1 | Phenol | 12.5β200 | 25 | UV | 1 | 100 | [111] | W | Liquid phase deposition | β | Dodecyl-benzenesulfonate | 250β100 | 250 | Visible | 1.5 | 98 | [120] | Zr | Sol gel | 0.2 | 4-chlorophenol | 50β300 | 250 | UV | β | 100 | [121] |
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