Research Article
Degradation of Gaseous Formaldehyde by Visible Light-Responsive Titania Photocatalyst Filter
Table 1
List of the experimental parameters.
| Fabrication of TiO2-deposited film by EPD |
| Concentration of TiO2 (wt.%) | 1.0 | Concentration of alginate (wt.%) | 0.2, 0.4 and 0.6 | Working current (mA) | 3, 5, 7 and 9 | Sintered temperature (°C) | 300, 400, 500, 600 and 700 | Concentration of LiNO3 for modification (M) | 0.1 |
| Photocatalytic degradation for gaseous formaldehyde |
| Light source/power (W) | UVA and visible light (fluorescent lamps) × 5/8 | Filter type | Original TiO2 filter (P-25) × 6 (background 1) Modified TiO2 filter (P-25 + LiNO3) × 6 (background 2) | Ambient temperature (°C) | 22 and 26 | Volume of test pollutant (μL) | 0.5 (35% formaldehyde aqueous solution) | Heating temperature for test pollutant (°C) | 40 |
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