Research Article

Activated Hydrotalcites Obtained by Coprecipitation as Photocatalysts for the Degradation of 2,4,6-Trichlorophenol

Figure 9

Absorption spectra of 100 ppm of 2,4,6-trichlorophenol in the presence of different photocatalysts under UV light irradiation over time. (a) M1. (b) M2. (c) M3. (d) M4. (e) M5. (f) M6. (g) M7. (h) TiO2-P25.